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2025-07-17 16:53:49 -03:00 · 2025-07-17 16:42:47 -03:00 · 2025-07-17 14:48:52 -03:00 · 2025-07-17 17:34:38 +00:00 · 2025-07-17 22:46:44 +05:30 · 2025-07-17 17:14:24 +00:00
341 changed files with 22168 additions and 4837 deletions
--- a/.config/hakari.toml
+++ b/.config/hakari.toml
@@ -23,6 +23,8 @@ workspace-members = [
 ]
 third-party = [
    { name = "reqwest", version = "0.11.27" },
+    # build of remote_server should not include scap / its x11 dependency
+    { name = "scap", git = "https://github.com/zed-industries/scap", rev = "270538dc780f5240723233ff901e1054641ed318" },
 ]

 [final-excludes]
--- a/.github/actions/install_trusted_signing/action.yml
+++ b/.github/actions/install_trusted_signing/action.yml
@@ -1,64 +0,0 @@
-name: "Trusted Signing on Windows"
-description: "Install trusted signing on Windows."
-
-# Modified from https://github.com/Azure/trusted-signing-action
-runs:
-  using: "composite"
-  steps:
-    - name: Set variables
-      id: set-variables
-      shell: "pwsh"
-      run: |
-        $defaultPath = $env:PSModulePath -split ';' | Select-Object -First 1
-        "PSMODULEPATH=$defaultPath" | Out-File -FilePath $env:GITHUB_OUTPUT -Append
-
-        "TRUSTED_SIGNING_MODULE_VERSION=0.5.3" | Out-File -FilePath $env:GITHUB_OUTPUT -Append
-        "BUILD_TOOLS_NUGET_VERSION=10.0.22621.3233" | Out-File -FilePath $env:GITHUB_OUTPUT -Append
-        "TRUSTED_SIGNING_NUGET_VERSION=1.0.53" | Out-File -FilePath $env:GITHUB_OUTPUT -Append
-        "DOTNET_SIGNCLI_NUGET_VERSION=0.9.1-beta.24469.1" | Out-File -FilePath $env:GITHUB_OUTPUT -Append
-
-    - name: Cache TrustedSigning PowerShell module
-      id: cache-module
-      uses: actions/cache@v4
-      env:
-        cache-name: cache-module
-      with:
-        path: ${{ steps.set-variables.outputs.PSMODULEPATH }}\TrustedSigning\${{ steps.set-variables.outputs.TRUSTED_SIGNING_MODULE_VERSION }}
-        key: TrustedSigning-${{ steps.set-variables.outputs.TRUSTED_SIGNING_MODULE_VERSION }}
-      if: ${{ inputs.cache-dependencies == 'true' }}
-
-    - name: Cache Microsoft.Windows.SDK.BuildTools NuGet package
-      id: cache-buildtools
-      uses: actions/cache@v4
-      env:
-        cache-name: cache-buildtools
-      with:
-        path: ~\AppData\Local\TrustedSigning\Microsoft.Windows.SDK.BuildTools\Microsoft.Windows.SDK.BuildTools.${{ steps.set-variables.outputs.BUILD_TOOLS_NUGET_VERSION }}
-        key: Microsoft.Windows.SDK.BuildTools-${{ steps.set-variables.outputs.BUILD_TOOLS_NUGET_VERSION }}
-      if: ${{ inputs.cache-dependencies == 'true' }}
-
-    - name: Cache Microsoft.Trusted.Signing.Client NuGet package
-      id: cache-tsclient
-      uses: actions/cache@v4
-      env:
-        cache-name: cache-tsclient
-      with:
-        path: ~\AppData\Local\TrustedSigning\Microsoft.Trusted.Signing.Client\Microsoft.Trusted.Signing.Client.${{ steps.set-variables.outputs.TRUSTED_SIGNING_NUGET_VERSION }}
-        key: Microsoft.Trusted.Signing.Client-${{ steps.set-variables.outputs.TRUSTED_SIGNING_NUGET_VERSION }}
-      if: ${{ inputs.cache-dependencies == 'true' }}
-
-    - name: Cache SignCli NuGet package
-      id: cache-signcli
-      uses: actions/cache@v4
-      env:
-        cache-name: cache-signcli
-      with:
-        path: ~\AppData\Local\TrustedSigning\sign\sign.${{ steps.set-variables.outputs.DOTNET_SIGNCLI_NUGET_VERSION }}
-        key: SignCli-${{ steps.set-variables.outputs.DOTNET_SIGNCLI_NUGET_VERSION }}
-      if: ${{ inputs.cache-dependencies == 'true' }}
-
-    - name: Install Trusted Signing module
-      shell: "pwsh"
-      run: |
-        Install-Module -Name TrustedSigning -RequiredVersion ${{ steps.set-variables.outputs.TRUSTED_SIGNING_MODULE_VERSION }} -Force -Repository PSGallery
-      if: ${{ inputs.cache-dependencies != 'true' || steps.cache-module.outputs.cache-hit != 'true' }}
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,6 +21,9 @@ env:
  CARGO_TERM_COLOR: always
  CARGO_INCREMENTAL: 0
  RUST_BACKTRACE: 1
+  DIGITALOCEAN_SPACES_ACCESS_KEY: ${{ secrets.DIGITALOCEAN_SPACES_ACCESS_KEY }}
+  DIGITALOCEAN_SPACES_SECRET_KEY: ${{ secrets.DIGITALOCEAN_SPACES_SECRET_KEY }}
+  ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}

 jobs:
  job_spec:
@@ -52,9 +55,10 @@ jobs:
          fi
          # Specify anything which should skip full CI in this regex:
          # - docs/
+          # - script/update_top_ranking_issues/
          # - .github/ISSUE_TEMPLATE/
          # - .github/workflows/  (except .github/workflows/ci.yml)
-          SKIP_REGEX='^(docs/|\.github/(ISSUE_TEMPLATE|workflows/(?!ci)))'
+          SKIP_REGEX='^(docs/|script/update_top_ranking_issues/|\.github/(ISSUE_TEMPLATE|workflows/(?!ci)))'
          if [[ $(git diff --name-only $COMPARE_REV ${{ github.sha }} | grep -vP "$SKIP_REGEX") ]]; then
            echo "run_tests=true" >> $GITHUB_OUTPUT
          else
@@ -71,7 +75,7 @@ jobs:
            echo "run_license=false" >> $GITHUB_OUTPUT
          fi
          NIX_REGEX='^(nix/|flake\.|Cargo\.|rust-toolchain.toml|\.cargo/config.toml)'
-          if [[ $(git diff --name-only $COMPARE_REV ${{ github.sha }} | grep "$NIX_REGEX") ]]; then
+          if [[ $(git diff --name-only $COMPARE_REV ${{ github.sha }} | grep -P "$NIX_REGEX") ]]; then
            echo "run_nix=true" >> $GITHUB_OUTPUT
          else
            echo "run_nix=false" >> $GITHUB_OUTPUT
@@ -390,7 +394,7 @@ jobs:

  windows_tests:
    timeout-minutes: 60
-    name: (Windows) Run Tests
+    name: (Windows) Run Clippy and tests
    needs: [job_spec]
    if: |
      github.repository_owner == 'zed-industries' &&
@@ -492,9 +496,6 @@ jobs:
      APPLE_NOTARIZATION_KEY: ${{ secrets.APPLE_NOTARIZATION_KEY }}
      APPLE_NOTARIZATION_KEY_ID: ${{ secrets.APPLE_NOTARIZATION_KEY_ID }}
      APPLE_NOTARIZATION_ISSUER_ID: ${{ secrets.APPLE_NOTARIZATION_ISSUER_ID }}
-      ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}
-      DIGITALOCEAN_SPACES_ACCESS_KEY: ${{ secrets.DIGITALOCEAN_SPACES_ACCESS_KEY }}
-      DIGITALOCEAN_SPACES_SECRET_KEY: ${{ secrets.DIGITALOCEAN_SPACES_SECRET_KEY }}
    steps:
      - name: Install Node
        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
@@ -577,10 +578,6 @@ jobs:
      startsWith(github.ref, 'refs/tags/v')
      || contains(github.event.pull_request.labels.*.name, 'run-bundling')
    needs: [linux_tests]
-    env:
-      ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}
-      DIGITALOCEAN_SPACES_ACCESS_KEY: ${{ secrets.DIGITALOCEAN_SPACES_ACCESS_KEY }}
-      DIGITALOCEAN_SPACES_SECRET_KEY: ${{ secrets.DIGITALOCEAN_SPACES_SECRET_KEY }}
    steps:
      - name: Checkout repo
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
@@ -634,10 +631,6 @@ jobs:
      startsWith(github.ref, 'refs/tags/v')
      || contains(github.event.pull_request.labels.*.name, 'run-bundling')
    needs: [linux_tests]
-    env:
-      ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}
-      DIGITALOCEAN_SPACES_ACCESS_KEY: ${{ secrets.DIGITALOCEAN_SPACES_ACCESS_KEY }}
-      DIGITALOCEAN_SPACES_SECRET_KEY: ${{ secrets.DIGITALOCEAN_SPACES_SECRET_KEY }}
    steps:
      - name: Checkout repo
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
@@ -686,20 +679,18 @@ jobs:
    timeout-minutes: 60
    runs-on: github-8vcpu-ubuntu-2404
    if: |
+      false && (
      startsWith(github.ref, 'refs/tags/v')
      || contains(github.event.pull_request.labels.*.name, 'run-bundling')
+      )
    needs: [linux_tests]
    name: Build Zed on FreeBSD
-    # env:
-    #   MYTOKEN : ${{ secrets.MYTOKEN }}
-    #   MYTOKEN2: "value2"
    steps:
      - uses: actions/checkout@v4
      - name: Build FreeBSD remote-server
        id: freebsd-build
        uses: vmactions/freebsd-vm@c3ae29a132c8ef1924775414107a97cac042aad5 # v1.2.0
        with:
-          # envs: "MYTOKEN MYTOKEN2"
          usesh: true
          release: 13.5
          copyback: true
@@ -766,8 +757,6 @@ jobs:
      ACCOUNT_NAME: ${{ vars.AZURE_SIGNING_ACCOUNT_NAME }}
      CERT_PROFILE_NAME: ${{ vars.AZURE_SIGNING_CERT_PROFILE_NAME }}
      ENDPOINT: ${{ vars.AZURE_SIGNING_ENDPOINT }}
-      DIGITALOCEAN_SPACES_ACCESS_KEY: ${{ secrets.DIGITALOCEAN_SPACES_ACCESS_KEY }}
-      DIGITALOCEAN_SPACES_SECRET_KEY: ${{ secrets.DIGITALOCEAN_SPACES_SECRET_KEY }}
      FILE_DIGEST: SHA256
      TIMESTAMP_DIGEST: SHA256
      TIMESTAMP_SERVER: "http://timestamp.acs.microsoft.com"
@@ -784,9 +773,6 @@ jobs:
          # This exports RELEASE_CHANNEL into env (GITHUB_ENV)
          script/determine-release-channel.ps1

-      - name: Install trusted signing
-        uses: ./.github/actions/install_trusted_signing
-
      - name: Build Zed installer
        working-directory: ${{ env.ZED_WORKSPACE }}
        run: script/bundle-windows.ps1
@@ -800,7 +786,8 @@ jobs:

      - name: Upload Artifacts to release
        uses: softprops/action-gh-release@de2c0eb89ae2a093876385947365aca7b0e5f844 # v1
-        if: ${{ !(contains(github.event.pull_request.labels.*.name, 'run-bundling')) && env.RELEASE_CHANNEL == 'preview' }} # upload only preview
+        # Re-enable when we are ready to publish windows preview releases
+        if: false && ${{ !(contains(github.event.pull_request.labels.*.name, 'run-bundling')) && env.RELEASE_CHANNEL == 'preview' }} # upload only preview
        with:
          draft: true
          prerelease: ${{ env.RELEASE_CHANNEL == 'preview' }}
@@ -813,7 +800,7 @@ jobs:
    if: |
      startsWith(github.ref, 'refs/tags/v')
      && endsWith(github.ref, '-pre') && !endsWith(github.ref, '.0-pre')
-    needs: [bundle-mac, bundle-linux-x86_x64, bundle-linux-aarch64, bundle-windows-x64, freebsd]
+    needs: [bundle-mac, bundle-linux-x86_x64, bundle-linux-aarch64, bundle-windows-x64]
    runs-on:
      - self-hosted
      - bundle
--- a/.github/workflows/release_nightly.yml
+++ b/.github/workflows/release_nightly.yml
@@ -12,6 +12,9 @@ env:
  CARGO_TERM_COLOR: always
  CARGO_INCREMENTAL: 0
  RUST_BACKTRACE: 1
+  ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}
+  DIGITALOCEAN_SPACES_ACCESS_KEY: ${{ secrets.DIGITALOCEAN_SPACES_ACCESS_KEY }}
+  DIGITALOCEAN_SPACES_SECRET_KEY: ${{ secrets.DIGITALOCEAN_SPACES_SECRET_KEY }}

 jobs:
  style:
@@ -91,9 +94,6 @@ jobs:
      APPLE_NOTARIZATION_KEY: ${{ secrets.APPLE_NOTARIZATION_KEY }}
      APPLE_NOTARIZATION_KEY_ID: ${{ secrets.APPLE_NOTARIZATION_KEY_ID }}
      APPLE_NOTARIZATION_ISSUER_ID: ${{ secrets.APPLE_NOTARIZATION_ISSUER_ID }}
-      DIGITALOCEAN_SPACES_ACCESS_KEY: ${{ secrets.DIGITALOCEAN_SPACES_ACCESS_KEY }}
-      DIGITALOCEAN_SPACES_SECRET_KEY: ${{ secrets.DIGITALOCEAN_SPACES_SECRET_KEY }}
-      ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}
    steps:
      - name: Install Node
        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
@@ -125,10 +125,6 @@ jobs:
    runs-on:
      - buildjet-16vcpu-ubuntu-2004
    needs: tests
-    env:
-      DIGITALOCEAN_SPACES_ACCESS_KEY: ${{ secrets.DIGITALOCEAN_SPACES_ACCESS_KEY }}
-      DIGITALOCEAN_SPACES_SECRET_KEY: ${{ secrets.DIGITALOCEAN_SPACES_SECRET_KEY }}
-      ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}
    steps:
      - name: Checkout repo
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
@@ -164,10 +160,6 @@ jobs:
    runs-on:
      - buildjet-16vcpu-ubuntu-2204-arm
    needs: tests
-    env:
-      DIGITALOCEAN_SPACES_ACCESS_KEY: ${{ secrets.DIGITALOCEAN_SPACES_ACCESS_KEY }}
-      DIGITALOCEAN_SPACES_SECRET_KEY: ${{ secrets.DIGITALOCEAN_SPACES_SECRET_KEY }}
-      ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}
    steps:
      - name: Checkout repo
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
@@ -195,12 +187,9 @@ jobs:

  freebsd:
    timeout-minutes: 60
-    if: github.repository_owner == 'zed-industries'
+    if: false && github.repository_owner == 'zed-industries'
    runs-on: github-8vcpu-ubuntu-2404
    needs: tests
-    env:
-      DIGITALOCEAN_SPACES_ACCESS_KEY: ${{ secrets.DIGITALOCEAN_SPACES_ACCESS_KEY }}
-      DIGITALOCEAN_SPACES_SECRET_KEY: ${{ secrets.DIGITALOCEAN_SPACES_SECRET_KEY }}
    name: Build Zed on FreeBSD
    # env:
    #   MYTOKEN : ${{ secrets.MYTOKEN }}
@@ -257,8 +246,6 @@ jobs:
      ACCOUNT_NAME: ${{ vars.AZURE_SIGNING_ACCOUNT_NAME }}
      CERT_PROFILE_NAME: ${{ vars.AZURE_SIGNING_CERT_PROFILE_NAME }}
      ENDPOINT: ${{ vars.AZURE_SIGNING_ENDPOINT }}
-      DIGITALOCEAN_SPACES_ACCESS_KEY: ${{ secrets.DIGITALOCEAN_SPACES_ACCESS_KEY }}
-      DIGITALOCEAN_SPACES_SECRET_KEY: ${{ secrets.DIGITALOCEAN_SPACES_SECRET_KEY }}
      FILE_DIGEST: SHA256
      TIMESTAMP_DIGEST: SHA256
      TIMESTAMP_SERVER: "http://timestamp.acs.microsoft.com"
@@ -276,9 +263,6 @@ jobs:
          Write-Host "Publishing version: $version on release channel nightly"
          "nightly" | Set-Content -Path "crates/zed/RELEASE_CHANNEL"

-      - name: Install trusted signing
-        uses: ./.github/actions/install_trusted_signing
-
      - name: Build Zed installer
        working-directory: ${{ env.ZED_WORKSPACE }}
        run: script/bundle-windows.ps1
--- a/.zed/settings.json
+++ b/.zed/settings.json
@@ -40,7 +40,7 @@
  },
  "file_types": {
    "Dockerfile": ["Dockerfile*[!dockerignore]"],
-    "JSONC": ["assets/**/*.json", "renovate.json"],
+    "JSONC": ["**/assets/**/*.json", "renovate.json"],
    "Git Ignore": ["dockerignore"]
  },
  "hard_tabs": false,
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,34 @@
 # It is not intended for manual editing.
 version = 4

+[[package]]
+name = "acp_thread"
+version = "0.1.0"
+dependencies = [
+ "agentic-coding-protocol",
+ "anyhow",
+ "assistant_tool",
+ "async-pipe",
+ "buffer_diff",
+ "editor",
+ "env_logger 0.11.8",
+ "futures 0.3.31",
+ "gpui",
+ "indoc",
+ "itertools 0.14.0",
+ "language",
+ "markdown",
+ "project",
+ "serde",
+ "serde_json",
+ "settings",
+ "smol",
+ "tempfile",
+ "ui",
+ "util",
+ "workspace-hack",
+]
+
 [[package]]
 name = "activity_indicator"
 version = "0.1.0"
@@ -107,6 +135,37 @@ dependencies = [
 "zstd",
 ]

+[[package]]
+name = "agent_servers"
+version = "0.1.0"
+dependencies = [
+ "acp_thread",
+ "agentic-coding-protocol",
+ "anyhow",
+ "collections",
+ "context_server",
+ "env_logger 0.11.8",
+ "futures 0.3.31",
+ "gpui",
+ "indoc",
+ "itertools 0.14.0",
+ "language",
+ "log",
+ "paths",
+ "project",
+ "schemars",
+ "serde",
+ "serde_json",
+ "settings",
+ "smol",
+ "tempfile",
+ "ui",
+ "util",
+ "watch",
+ "which 6.0.3",
+ "workspace-hack",
+]
+
 [[package]]
 name = "agent_settings"
 version = "0.1.0"
@@ -130,8 +189,11 @@ dependencies = [
 name = "agent_ui"
 version = "0.1.0"
 dependencies = [
+ "acp_thread",
 "agent",
+ "agent_servers",
 "agent_settings",
+ "agentic-coding-protocol",
 "anyhow",
 "assistant_context",
 "assistant_slash_command",
@@ -191,6 +253,7 @@ dependencies = [
 "settings",
 "smol",
 "streaming_diff",
+ "task",
 "telemetry",
 "telemetry_events",
 "terminal",
@@ -212,6 +275,24 @@ dependencies = [
 "zed_llm_client",
 ]

+[[package]]
+name = "agentic-coding-protocol"
+version = "0.0.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e276b798eddd02562a339340a96919d90bbfcf78de118fdddc932524646fac7"
+dependencies = [
+ "anyhow",
+ "chrono",
+ "derive_more 2.0.1",
+ "futures 0.3.31",
+ "log",
+ "parking_lot",
+ "schemars",
+ "semver",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "ahash"
 version = "0.7.8"
@@ -610,7 +691,7 @@ dependencies = [
 "anyhow",
 "async-trait",
 "collections",
- "derive_more",
+ "derive_more 0.99.19",
 "extension",
 "futures 0.3.31",
 "gpui",
@@ -673,10 +754,11 @@ dependencies = [
 "clock",
 "collections",
 "ctor",
- "derive_more",
+ "derive_more 0.99.19",
 "futures 0.3.31",
 "gpui",
 "icons",
+ "indoc",
 "language",
 "language_model",
 "log",
@@ -709,7 +791,8 @@ dependencies = [
 "clock",
 "collections",
 "component",
- "derive_more",
+ "derive_more 0.99.19",
+ "diffy",
 "editor",
 "feature_flags",
 "fs",
@@ -1166,7 +1249,7 @@ version = "0.1.0"
 dependencies = [
 "anyhow",
 "collections",
- "derive_more",
+ "derive_more 0.99.19",
 "gpui",
 "parking_lot",
 "rodio",
@@ -2859,7 +2942,7 @@ dependencies = [
 "cocoa 0.26.0",
 "collections",
 "credentials_provider",
- "derive_more",
+ "derive_more 0.99.19",
 "feature_flags",
 "fs",
 "futures 0.3.31",
@@ -3043,10 +3126,11 @@ dependencies = [
 "context_server",
 "ctor",
 "dap",
+ "dap-types",
 "dap_adapters",
 "dashmap 6.1.0",
 "debugger_ui",
- "derive_more",
+ "derive_more 0.99.19",
 "editor",
 "envy",
 "extension",
@@ -3099,6 +3183,7 @@ dependencies = [
 "session",
 "settings",
 "sha2",
+ "smol",
 "sqlx",
 "strum 0.27.1",
 "subtle",
@@ -3251,7 +3336,7 @@ name = "command_palette_hooks"
 version = "0.1.0"
 dependencies = [
 "collections",
- "derive_more",
+ "derive_more 0.99.19",
 "gpui",
 "workspace-hack",
 ]
@@ -3339,12 +3424,14 @@ dependencies = [
 "futures 0.3.31",
 "gpui",
 "log",
+ "net",
 "parking_lot",
 "postage",
 "schemars",
 "serde",
 "serde_json",
 "smol",
+ "tempfile",
 "url",
 "util",
 "workspace-hack",
@@ -4326,17 +4413,21 @@ dependencies = [
 "futures 0.3.31",
 "fuzzy",
 "gpui",
+ "hex",
 "indoc",
 "itertools 0.14.0",
 "language",
 "log",
 "menu",
+ "notifications",
 "parking_lot",
+ "parse_int",
 "paths",
 "picker",
 "pretty_assertions",
 "project",
 "rpc",
+ "schemars",
 "serde",
 "serde_json",
 "serde_json_lenient",
@@ -4455,6 +4546,27 @@ dependencies = [
 "syn 2.0.101",
 ]

+[[package]]
+name = "derive_more"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "093242cf7570c207c83073cf82f79706fe7b8317e98620a47d5be7c3d8497678"
+dependencies = [
+ "derive_more-impl",
+]
+
+[[package]]
+name = "derive_more-impl"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bda628edc44c4bb645fbe0f758797143e4e07926f7ebf4e9bdfbd3d2ce621df3"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.101",
+ "unicode-xid",
+]
+
 [[package]]
 name = "derive_refineable"
 version = "0.1.0"
@@ -6153,7 +6265,7 @@ dependencies = [
 "askpass",
 "async-trait",
 "collections",
- "derive_more",
+ "derive_more 0.99.19",
 "futures 0.3.31",
 "git2",
 "gpui",
@@ -7170,7 +7282,7 @@ dependencies = [
 "core-video",
 "cosmic-text",
 "ctor",
- "derive_more",
+ "derive_more 0.99.19",
 "embed-resource",
 "env_logger 0.11.8",
 "etagere",
@@ -7716,7 +7828,7 @@ version = "0.1.0"
 dependencies = [
 "anyhow",
 "bytes 1.10.1",
- "derive_more",
+ "derive_more 0.99.19",
 "futures 0.3.31",
 "http 1.3.1",
 "log",
@@ -8154,7 +8266,7 @@ dependencies = [
 "async-trait",
 "cargo_metadata",
 "collections",
- "derive_more",
+ "derive_more 0.99.19",
 "extension",
 "fs",
 "futures 0.3.31",
@@ -8913,6 +9025,7 @@ dependencies = [
 "gpui",
 "language",
 "lsp",
+ "project",
 "serde",
 "serde_json",
 "util",
@@ -8965,7 +9078,6 @@ dependencies = [
 "credentials_provider",
 "deepseek",
 "editor",
- "feature_flags",
 "fs",
 "futures 0.3.31",
 "google_ai",
@@ -9000,6 +9112,7 @@ dependencies = [
 "util",
 "vercel",
 "workspace-hack",
+ "x_ai",
 "zed_llm_client",
 ]

@@ -9592,12 +9705,11 @@ dependencies = [
 [[package]]
 name = "lsp-types"
 version = "0.95.1"
-source = "git+https://github.com/zed-industries/lsp-types?rev=c9c189f1c5dd53c624a419ce35bc77ad6a908d18#c9c189f1c5dd53c624a419ce35bc77ad6a908d18"
+source = "git+https://github.com/zed-industries/lsp-types?rev=39f629bdd03d59abd786ed9fc27e8bca02c0c0ec#39f629bdd03d59abd786ed9fc27e8bca02c0c0ec"
 dependencies = [
 "bitflags 1.3.2",
 "serde",
 "serde_json",
- "serde_repr",
 "url",
 ]

@@ -10192,6 +10304,17 @@ dependencies = [
 "uuid",
 ]

+[[package]]
+name = "nc"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "futures 0.3.31",
+ "net",
+ "smol",
+ "workspace-hack",
+]
+
 [[package]]
 name = "ndk"
 version = "0.8.0"
@@ -11209,6 +11332,15 @@ dependencies = [
 "windows-targets 0.52.6",
 ]

+[[package]]
+name = "parse_int"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c464266693329dd5a8715098c7f86e6c5fd5d985018b8318f53d9c6c2b21a31"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "partial-json-fixer"
 version = "0.5.3"
@@ -12252,6 +12384,7 @@ dependencies = [
 "anyhow",
 "askpass",
 "async-trait",
+ "base64 0.22.1",
 "buffer_diff",
 "circular-buffer",
 "client",
@@ -12297,6 +12430,7 @@ dependencies = [
 "sha2",
 "shellexpand 2.1.2",
 "shlex",
+ "smallvec",
 "smol",
 "snippet",
 "snippet_provider",
@@ -14031,7 +14165,7 @@ dependencies = [
 [[package]]
 name = "scap"
 version = "0.0.8"
-source = "git+https://github.com/zed-industries/scap?rev=08f0a01417505cc0990b9931a37e5120db92e0d0#08f0a01417505cc0990b9931a37e5120db92e0d0"
+source = "git+https://github.com/zed-industries/scap?rev=270538dc780f5240723233ff901e1054641ed318#270538dc780f5240723233ff901e1054641ed318"
 dependencies = [
 "anyhow",
 "cocoa 0.25.0",
@@ -14078,10 +14212,12 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fe8c9d1c68d67dd9f97ecbc6f932b60eb289c5dbddd8aa1405484a8fd2fcd984"
 dependencies = [
+ "chrono",
 "dyn-clone",
 "indexmap",
 "ref-cast",
 "schemars_derive",
+ "semver",
 "serde",
 "serde_json",
 ]
@@ -14603,16 +14739,20 @@ dependencies = [
 "language",
 "log",
 "menu",
+ "notifications",
 "paths",
 "project",
 "schemars",
 "search",
 "serde",
+ "serde_json",
 "settings",
+ "telemetry",
 "theme",
 "tree-sitter-json",
 "tree-sitter-rust",
 "ui",
+ "ui_input",
 "util",
 "workspace",
 "workspace-hack",
@@ -16040,7 +16180,7 @@ version = "0.1.0"
 dependencies = [
 "anyhow",
 "collections",
- "derive_more",
+ "derive_more 0.99.19",
 "fs",
 "futures 0.3.31",
 "gpui",
@@ -16339,6 +16479,7 @@ dependencies = [
 "schemars",
 "serde",
 "settings",
+ "settings_ui",
 "smallvec",
 "story",
 "telemetry",
@@ -18307,7 +18448,6 @@ version = "0.1.0"
 dependencies = [
 "anyhow",
 "client",
- "feature_flags",
 "futures 0.3.31",
 "gpui",
 "http_client",
@@ -19579,6 +19719,7 @@ dependencies = [
 "rustix 1.0.7",
 "rustls 0.23.26",
 "rustls-webpki 0.103.1",
+ "schemars",
 "scopeguard",
 "sea-orm",
 "sea-query-binder",
@@ -19731,6 +19872,17 @@ version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec107c4503ea0b4a98ef47356329af139c0a4f7750e621cf2973cd3385ebcb3d"

+[[package]]
+name = "x_ai"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "schemars",
+ "serde",
+ "strum 0.27.1",
+ "workspace-hack",
+]
+
 [[package]]
 name = "xattr"
 version = "0.2.3"
@@ -19972,10 +20124,11 @@ dependencies = [

 [[package]]
 name = "zed"
-version = "0.195.0"
+version = "0.197.0"
 dependencies = [
 "activity_indicator",
 "agent",
+ "agent_servers",
 "agent_settings",
 "agent_ui",
 "anyhow",
@@ -20045,6 +20198,7 @@ dependencies = [
 "menu",
 "migrator",
 "mimalloc",
+ "nc",
 "nix 0.29.0",
 "node_runtime",
 "notifications",
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,9 +2,11 @@
 resolver = "2"
 members = [
    "crates/activity_indicator",
+    "crates/acp_thread",
    "crates/agent_ui",
    "crates/agent",
    "crates/agent_settings",
+    "crates/agent_servers",
    "crates/anthropic",
    "crates/askpass",
    "crates/assets",
@@ -100,6 +102,7 @@ members = [
    "crates/migrator",
    "crates/mistral",
    "crates/multi_buffer",
+    "crates/nc",
    "crates/net",
    "crates/node_runtime",
    "crates/notifications",
@@ -177,6 +180,7 @@ members = [
    "crates/welcome",
    "crates/workspace",
    "crates/worktree",
+    "crates/x_ai",
    "crates/zed",
    "crates/zed_actions",
    "crates/zeta",
@@ -216,10 +220,12 @@ edition = "2024"
 # Workspace member crates
 #

-activity_indicator = { path = "crates/activity_indicator" }
+acp_thread = { path = "crates/acp_thread" }
 agent = { path = "crates/agent" }
+activity_indicator = { path = "crates/activity_indicator" }
 agent_ui = { path = "crates/agent_ui" }
 agent_settings = { path = "crates/agent_settings" }
+agent_servers = { path = "crates/agent_servers" }
 ai = { path = "crates/ai" }
 anthropic = { path = "crates/anthropic" }
 askpass = { path = "crates/askpass" }
@@ -312,6 +318,7 @@ menu = { path = "crates/menu" }
 migrator = { path = "crates/migrator" }
 mistral = { path = "crates/mistral" }
 multi_buffer = { path = "crates/multi_buffer" }
+nc = { path = "crates/nc" }
 net = { path = "crates/net" }
 node_runtime = { path = "crates/node_runtime" }
 notifications = { path = "crates/notifications" }
@@ -390,6 +397,7 @@ web_search_providers = { path = "crates/web_search_providers" }
 welcome = { path = "crates/welcome" }
 workspace = { path = "crates/workspace" }
 worktree = { path = "crates/worktree" }
+x_ai = { path = "crates/x_ai" }
 zed = { path = "crates/zed" }
 zed_actions = { path = "crates/zed_actions" }
 zeta = { path = "crates/zeta" }
@@ -400,6 +408,7 @@ zlog_settings = { path = "crates/zlog_settings" }
 # External crates
 #

+agentic-coding-protocol = "0.0.9"
 aho-corasick = "1.1"
 alacritty_terminal = { git = "https://github.com/zed-industries/alacritty.git", branch = "add-hush-login-flag" }
 any_vec = "0.14"
@@ -487,7 +496,7 @@ libc = "0.2"
 libsqlite3-sys = { version = "0.30.1", features = ["bundled"] }
 linkify = "0.10.0"
 log = { version = "0.4.16", features = ["kv_unstable_serde", "serde"] }
-lsp-types = { git = "https://github.com/zed-industries/lsp-types", rev = "c9c189f1c5dd53c624a419ce35bc77ad6a908d18" }
+lsp-types = { git = "https://github.com/zed-industries/lsp-types", rev = "39f629bdd03d59abd786ed9fc27e8bca02c0c0ec" }
 markup5ever_rcdom = "0.3.0"
 metal = "0.29"
 moka = { version = "0.12.10", features = ["sync"] }
@@ -502,6 +511,7 @@ ordered-float = "2.1.1"
 palette = { version = "0.7.5", default-features = false, features = ["std"] }
 parking_lot = "0.12.1"
 partial-json-fixer = "0.5.3"
+parse_int = "0.9"
 pathdiff = "0.2"
 pet = { git = "https://github.com/microsoft/python-environment-tools.git", rev = "845945b830297a50de0e24020b980a65e4820559" }
 pet-conda = { git = "https://github.com/microsoft/python-environment-tools.git", rev = "845945b830297a50de0e24020b980a65e4820559" }
@@ -541,7 +551,8 @@ rustc-demangle = "0.1.23"
 rustc-hash = "2.1.0"
 rustls = { version = "0.23.26" }
 rustls-platform-verifier = "0.5.0"
-scap = { git = "https://github.com/zed-industries/scap", rev = "08f0a01417505cc0990b9931a37e5120db92e0d0", default-features = false }
+# When updating scap rev, also update it in .config/hakari.toml
+scap = { git = "https://github.com/zed-industries/scap", rev = "270538dc780f5240723233ff901e1054641ed318", default-features = false }
 schemars = { version = "1.0", features = ["indexmap2"] }
 semver = "1.0"
 serde = { version = "1.0", features = ["derive", "rc"] }
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@@ -1 +1 @@
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@@ -1,5 +1,5 @@
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+<rect x="8" y="9" width="5.5" height="4" rx="1.5" fill="black"/>
 </svg>
--- a/assets/icons/git_branch_small.svg
+++ b/assets/icons/git_branch_small.svg
@@ -1,6 +1,7 @@
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+<circle cx="5" cy="12" r="1.25" stroke="black" stroke-width="1.5"/>
+<path d="M5 11V5" stroke="black" stroke-width="1.5"/>
+<path d="M5 10C5 10 5.5 8 7 8C7.73103 8 8.69957 8 9.50049 8C10.3289 8 11 7.32843 11 6.5V5" stroke="black" stroke-width="1.5"/>
+<circle cx="5" cy="4" r="1.25" stroke="black" stroke-width="1.5"/>
+<circle cx="11" cy="4" r="1.25" stroke="black" stroke-width="1.5"/>
 </svg>
--- a/assets/icons/list_tree.svg
+++ b/assets/icons/list_tree.svg
@@ -1 +1,7 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-list-tree"><path d="M21 12h-8"/><path d="M21 6H8"/><path d="M21 18h-8"/><path d="M3 6v4c0 1.1.9 2 2 2h3"/><path d="M3 10v6c0 1.1.9 2 2 2h3"/></svg>
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M13.5 8H9.5" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M13.5 4L6.5 4" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M13.5 12H9.5" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M3 3.5V6.33333C3 7.25 3.72 8 4.6 8H7" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M3 6V10.5C3 11.325 3.72 12 4.6 12H7" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
--- a/assets/icons/location_edit.svg
+++ b/assets/icons/location_edit.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-location-edit-icon lucide-location-edit"><path d="M17.97 9.304A8 8 0 0 0 2 10c0 4.69 4.887 9.562 7.022 11.468"/><path d="M21.378 16.626a1 1 0 0 0-3.004-3.004l-4.01 4.012a2 2 0 0 0-.506.854l-.837 2.87a.5.5 0 0 0 .62.62l2.87-.837a2 2 0 0 0 .854-.506z"/><circle cx="10" cy="10" r="3"/></svg>
--- a/assets/icons/play_filled.svg
+++ b/assets/icons/play_filled.svg
@@ -0,0 +1,3 @@
+<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M5 4L10 7L5 10V4Z" fill="black" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
--- a/assets/icons/terminal_alt.svg
+++ b/assets/icons/terminal_alt.svg
@@ -0,0 +1,5 @@
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
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+<path d="M8.37939 10.3243H10.3794" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
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+</svg>
--- a/assets/icons/tool_bulb.svg
+++ b/assets/icons/tool_bulb.svg
@@ -0,0 +1,3 @@
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
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+</svg>
--- a/assets/icons/tool_copy.svg
+++ b/assets/icons/tool_copy.svg
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+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M9.5 2.5H6.5C6.22386 2.5 6 2.83579 6 3.25V4.75C6 5.16421 6.22386 5.5 6.5 5.5H9.5C9.77614 5.5 10 5.16421 10 4.75V3.25C10 2.83579 9.77614 2.5 9.5 2.5Z" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
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+</svg>
--- a/assets/icons/tool_delete_file.svg
+++ b/assets/icons/tool_delete_file.svg
@@ -0,0 +1,5 @@
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
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+</svg>
--- a/assets/icons/tool_diagnostics.svg
+++ b/assets/icons/tool_diagnostics.svg
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+<path d="M7.99927 10.9415H8.00492" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
--- a/assets/icons/tool_folder.svg
+++ b/assets/icons/tool_folder.svg
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+</svg>
--- a/assets/icons/tool_hammer.svg
+++ b/assets/icons/tool_hammer.svg
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+</svg>
--- a/assets/icons/tool_notification.svg
+++ b/assets/icons/tool_notification.svg
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+</svg>
--- a/assets/icons/tool_pencil.svg
+++ b/assets/icons/tool_pencil.svg
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+</svg>
--- a/assets/icons/tool_read.svg
+++ b/assets/icons/tool_read.svg
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+<path d="M5.5 8H10.5" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
--- a/assets/icons/tool_regex.svg
+++ b/assets/icons/tool_regex.svg
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--- a/assets/icons/tool_search.svg
+++ b/assets/icons/tool_search.svg
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+</svg>
--- a/assets/icons/tool_terminal.svg
+++ b/assets/icons/tool_terminal.svg
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+</svg>
--- a/assets/icons/tool_web.svg
+++ b/assets/icons/tool_web.svg
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+<path d="M8 3C6.71611 4.34807 6 6.13836 6 7.99999C6 9.86163 6.71611 11.6519 8 13C9.28387 11.6519 10 9.86163 10 7.99999C10 6.13836 9.28387 4.34807 8 3Z" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M3.24121 7.04827C4.52425 8.27022 6.22817 8.95178 7.99999 8.95178C9.77182 8.95178 11.4757 8.27022 12.7588 7.04827" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
--- a/assets/icons/user_group.svg
+++ b/assets/icons/user_group.svg
@@ -1,3 +1,5 @@
 <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M5.9 8.00002C7.44656 8.00002 8.7 6.74637 8.7 5.20002C8.7 3.65368 7.44656 2.40002 5.9 2.40002C4.35344 2.40002 3.1 3.65368 3.1 5.20002C3.1 6.74637 4.35344 8.00002 5.9 8.00002ZM7.00906 9.05002H4.79094C2.69684 9.05002 1 10.7475 1 12.841C1 13.261 1.3395 13.6 1.75819 13.6H10.0409C10.4609 13.6 10.8 13.261 10.8 12.841C10.8 10.7475 9.1025 9.05002 7.00906 9.05002ZM11.4803 9.40002H9.86484C10.87 10.2247 11.5 11.4585 11.5 12.841C11.5 13.121 11.4169 13.3791 11.2812 13.6H14.3C14.6872 13.6 15 13.285 15 12.8803C15 10.9663 13.4338 9.40002 11.4803 9.40002ZM10.45 8.00002C11.8041 8.00002 12.9 6.90409 12.9 5.55002C12.9 4.19596 11.8041 3.10002 10.45 3.10002C9.90072 3.10002 9.39913 3.28716 8.9905 3.59243C9.2425 4.07631 9.4 4.61815 9.4 5.20002C9.4 5.97702 9.13903 6.69059 8.70897 7.27181C9.15281 7.72002 9.7675 8.00002 10.45 8.00002Z" fill="white"/>
+<path d="M6.79118 8.27005C8.27568 8.27005 9.4791 7.06663 9.4791 5.58214C9.4791 4.09765 8.27568 2.89423 6.79118 2.89423C5.30669 2.89423 4.10327 4.09765 4.10327 5.58214C4.10327 7.06663 5.30669 8.27005 6.79118 8.27005Z" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M6.79112 8.60443C4.19441 8.60443 2.08936 10.7095 2.08936 13.3062H11.4929C11.4929 10.7095 9.38784 8.60443 6.79112 8.60443Z" fill="black" fill-opacity="0.15" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M14.6984 12.9263C14.6984 10.8893 13.4895 8.99736 12.2806 8.09067C12.6779 7.79254 12.9957 7.40104 13.2057 6.95083C13.4157 6.50062 13.5115 6.00558 13.4846 5.50952C13.4577 5.01346 13.309 4.53168 13.0515 4.10681C12.7941 3.68194 12.4358 3.3271 12.0085 3.07367" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
 </svg>
--- a/assets/icons/zed_assistant.svg
+++ b/assets/icons/zed_assistant.svg
@@ -1,5 +1,5 @@
 <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path d="M8 2L6.72534 5.87534C6.6601 6.07367 6.5492 6.25392 6.40155 6.40155C6.25392 6.5492 6.07367 6.6601 5.87534 6.72534L2 8L5.87534 9.27466C6.07367 9.3399 6.25392 9.4508 6.40155 9.59845C6.5492 9.74608 6.6601 9.92633 6.72534 10.1247L8 14L9.27466 10.1247C9.3399 9.92633 9.4508 9.74608 9.59845 9.59845C9.74608 9.4508 9.92633 9.3399 10.1247 9.27466L14 8L10.1247 6.72534C9.92633 6.6601 9.74608 6.5492 9.59845 6.40155C9.4508 6.25392 9.3399 6.07367 9.27466 5.87534L8 2Z" fill="black" fill-opacity="0.15" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M8 2.93652L6.9243 6.20697C6.86924 6.37435 6.77565 6.52646 6.65105 6.65105C6.52646 6.77565 6.37435 6.86924 6.20697 6.9243L2.93652 8L6.20697 9.0757C6.37435 9.13076 6.52646 9.22435 6.65105 9.34895C6.77565 9.47354 6.86924 9.62565 6.9243 9.79306L8 13.0635L9.0757 9.79306C9.13076 9.62565 9.22435 9.47354 9.34895 9.34895C9.47354 9.22435 9.62565 9.13076 9.79306 9.0757L13.0635 8L9.79306 6.9243C9.62565 6.86924 9.47354 6.77565 9.34895 6.65105C9.22435 6.52646 9.13076 6.37435 9.0757 6.20697L8 2.93652Z" fill="black" fill-opacity="0.15" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
 <path d="M3.33334 2V4.66666M2 3.33334H4.66666" stroke="black" stroke-opacity="0.75" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round"/>
 <path d="M12.6665 11.3333V14M11.3333 12.6666H13.9999" stroke="black" stroke-opacity="0.75" stroke-width="1.25" stroke-linecap="round" stroke-linejoin="round"/>
 </svg>
--- a/assets/keymaps/default-linux.json
+++ b/assets/keymaps/default-linux.json
@@ -268,6 +268,14 @@
      "ctrl-alt-t": "agent::NewThread"
    }
  },
+  {
+    "context": "AgentPanel && external_agent_thread",
+    "use_key_equivalents": true,
+    "bindings": {
+      "ctrl-n": "agent::NewExternalAgentThread",
+      "ctrl-alt-t": "agent::NewThread"
+    }
+  },
  {
    "context": "MessageEditor > Editor",
    "bindings": {
@@ -306,6 +314,16 @@
      "enter": "agent::AcceptSuggestedContext"
    }
  },
+  {
+    "context": "AcpThread > Editor",
+    "use_key_equivalents": true,
+    "bindings": {
+      "enter": "agent::Chat",
+      "up": "agent::PreviousHistoryMessage",
+      "down": "agent::NextHistoryMessage",
+      "shift-ctrl-r": "agent::OpenAgentDiff"
+    }
+  },
  {
    "context": "ThreadHistory",
    "bindings": {
@@ -457,8 +475,8 @@
      "ctrl-/": ["editor::ToggleComments", { "advance_downwards": false }],
      "ctrl-u": "editor::UndoSelection",
      "ctrl-shift-u": "editor::RedoSelection",
-      "f8": "editor::GoToDiagnostic",
-      "shift-f8": "editor::GoToPreviousDiagnostic",
+      "f8": ["editor::GoToDiagnostic", { "severity": { "min": "hint", "max": "error" } }],
+      "shift-f8": ["editor::GoToPreviousDiagnostic", { "severity": { "min": "hint", "max": "error" } }],
      "f2": "editor::Rename",
      "f12": "editor::GoToDefinition",
      "alt-f12": "editor::GoToDefinitionSplit",
@@ -568,7 +586,7 @@
      "ctrl-shift-f": "pane::DeploySearch",
      "ctrl-shift-h": ["pane::DeploySearch", { "replace_enabled": true }],
      "ctrl-shift-t": "pane::ReopenClosedItem",
-      "ctrl-k ctrl-s": "zed::OpenKeymap",
+      "ctrl-k ctrl-s": "zed::OpenKeymapEditor",
      "ctrl-k ctrl-t": "theme_selector::Toggle",
      "ctrl-t": "project_symbols::Toggle",
      "ctrl-p": "file_finder::Toggle",
@@ -838,6 +856,7 @@
      "alt-shift-y": "git::UnstageFile",
      "ctrl-alt-y": "git::ToggleStaged",
      "space": "git::ToggleStaged",
+      "shift-space": "git::StageRange",
      "tab": "git_panel::FocusEditor",
      "shift-tab": "git_panel::FocusEditor",
      "escape": "git_panel::ToggleFocus",
@@ -980,6 +999,7 @@
  {
    "context": "FileFinder || (FileFinder > Picker > Editor)",
    "bindings": {
+      "ctrl-p": "file_finder::Toggle",
      "ctrl-shift-a": "file_finder::ToggleSplitMenu",
      "ctrl-shift-i": "file_finder::ToggleFilterMenu"
    }
@@ -1095,7 +1115,37 @@
    "context": "KeymapEditor",
    "use_key_equivalents": true,
    "bindings": {
-      "ctrl-f": "search::FocusSearch"
+      "ctrl-f": "search::FocusSearch",
+      "alt-find": "keymap_editor::ToggleKeystrokeSearch",
+      "alt-ctrl-f": "keymap_editor::ToggleKeystrokeSearch",
+      "alt-c": "keymap_editor::ToggleConflictFilter",
+      "enter": "keymap_editor::EditBinding",
+      "alt-enter": "keymap_editor::CreateBinding"
+    }
+  },
+  {
+    "context": "KeystrokeInput",
+    "use_key_equivalents": true,
+    "bindings": {
+      "enter": "keystroke_input::StartRecording",
+      "escape escape escape": "keystroke_input::StopRecording",
+      "delete": "keystroke_input::ClearKeystrokes"
+    }
+  },
+  {
+    "context": "KeybindEditorModal",
+    "use_key_equivalents": true,
+    "bindings": {
+      "ctrl-enter": "menu::Confirm",
+      "escape": "menu::Cancel"
+    }
+  },
+  {
+    "context": "KeybindEditorModal > Editor",
+    "use_key_equivalents": true,
+    "bindings": {
+      "up": "menu::SelectPrevious",
+      "down": "menu::SelectNext"
    }
  }
 ]
--- a/assets/keymaps/default-macos.json
+++ b/assets/keymaps/default-macos.json
@@ -309,6 +309,14 @@
      "cmd-alt-t": "agent::NewThread"
    }
  },
+  {
+    "context": "AgentPanel && external_agent_thread",
+    "use_key_equivalents": true,
+    "bindings": {
+      "cmd-n": "agent::NewExternalAgentThread",
+      "cmd-alt-t": "agent::NewThread"
+    }
+  },
  {
    "context": "MessageEditor > Editor",
    "use_key_equivalents": true,
@@ -357,6 +365,16 @@
      "ctrl--": "pane::GoBack"
    }
  },
+  {
+    "context": "AcpThread > Editor",
+    "use_key_equivalents": true,
+    "bindings": {
+      "enter": "agent::Chat",
+      "up": "agent::PreviousHistoryMessage",
+      "down": "agent::NextHistoryMessage",
+      "shift-ctrl-r": "agent::OpenAgentDiff"
+    }
+  },
  {
    "context": "ThreadHistory",
    "bindings": {
@@ -510,8 +528,8 @@
      "cmd-/": ["editor::ToggleComments", { "advance_downwards": false }],
      "cmd-u": "editor::UndoSelection",
      "cmd-shift-u": "editor::RedoSelection",
-      "f8": "editor::GoToDiagnostic",
-      "shift-f8": "editor::GoToPreviousDiagnostic",
+      "f8": ["editor::GoToDiagnostic", { "severity": { "min": "hint", "max": "error" } }],
+      "shift-f8": ["editor::GoToPreviousDiagnostic", { "severity": { "min": "hint", "max": "error" } }],
      "f2": "editor::Rename",
      "f12": "editor::GoToDefinition",
      "alt-f12": "editor::GoToDefinitionSplit",
@@ -634,7 +652,7 @@
      "cmd-shift-f": "pane::DeploySearch",
      "cmd-shift-h": ["pane::DeploySearch", { "replace_enabled": true }],
      "cmd-shift-t": "pane::ReopenClosedItem",
-      "cmd-k cmd-s": "zed::OpenKeymap",
+      "cmd-k cmd-s": "zed::OpenKeymapEditor",
      "cmd-k cmd-t": "theme_selector::Toggle",
      "cmd-t": "project_symbols::Toggle",
      "cmd-p": "file_finder::Toggle",
@@ -912,6 +930,7 @@
      "enter": "menu::Confirm",
      "cmd-alt-y": "git::ToggleStaged",
      "space": "git::ToggleStaged",
+      "shift-space": "git::StageRange",
      "cmd-y": "git::StageFile",
      "cmd-shift-y": "git::UnstageFile",
      "alt-down": "git_panel::FocusEditor",
@@ -1079,13 +1098,16 @@
      "ctrl-cmd-space": "terminal::ShowCharacterPalette",
      "cmd-c": "terminal::Copy",
      "cmd-v": "terminal::Paste",
+      "cmd-f": "buffer_search::Deploy",
      "cmd-a": "editor::SelectAll",
      "cmd-k": "terminal::Clear",
      "cmd-n": "workspace::NewTerminal",
      "ctrl-enter": "assistant::InlineAssist",
      "ctrl-_": null, // emacs undo
      // Some nice conveniences
-      "cmd-backspace": ["terminal::SendText", "\u0015"],
+      "cmd-backspace": ["terminal::SendText", "\u0015"], // ctrl-u: clear line
+      "alt-delete": ["terminal::SendText", "\u001bd"], // alt-d: delete word forward
+      "cmd-delete": ["terminal::SendText", "\u000b"], // ctrl-k: delete to end of line
      "cmd-right": ["terminal::SendText", "\u0005"],
      "cmd-left": ["terminal::SendText", "\u0001"],
      // Terminal.app compatibility
@@ -1194,7 +1216,35 @@
    "context": "KeymapEditor",
    "use_key_equivalents": true,
    "bindings": {
-      "cmd-f": "search::FocusSearch"
+      "cmd-alt-f": "keymap_editor::ToggleKeystrokeSearch",
+      "cmd-alt-c": "keymap_editor::ToggleConflictFilter",
+      "enter": "keymap_editor::EditBinding",
+      "alt-enter": "keymap_editor::CreateBinding"
+    }
+  },
+  {
+    "context": "KeystrokeInput",
+    "use_key_equivalents": true,
+    "bindings": {
+      "enter": "keystroke_input::StartRecording",
+      "escape escape escape": "keystroke_input::StopRecording",
+      "delete": "keystroke_input::ClearKeystrokes"
+    }
+  },
+  {
+    "context": "KeybindEditorModal",
+    "use_key_equivalents": true,
+    "bindings": {
+      "cmd-enter": "menu::Confirm",
+      "escape": "menu::Cancel"
+    }
+  },
+  {
+    "context": "KeybindEditorModal > Editor",
+    "use_key_equivalents": true,
+    "bindings": {
+      "up": "menu::SelectPrevious",
+      "down": "menu::SelectNext"
    }
  }
 ]
--- a/assets/keymaps/linux/jetbrains.json
+++ b/assets/keymaps/linux/jetbrains.json
@@ -66,22 +66,46 @@
    "context": "Editor && mode == full",
    "bindings": {
      "ctrl-f12": "outline::Toggle",
-      "alt-7": "outline::Toggle",
+      "ctrl-r": ["buffer_search::Deploy", { "replace_enabled": true }],
      "ctrl-shift-n": "file_finder::Toggle",
      "ctrl-g": "go_to_line::Toggle",
      "alt-enter": "editor::ToggleCodeActions"
    }
  },
+  {
+    "context": "BufferSearchBar || ProjectSearchBar",
+    "bindings": {
+      "shift-enter": "search::SelectPreviousMatch",
+      "ctrl-alt-c": "search::ToggleCaseSensitive",
+      "ctrl-alt-e": "search::ToggleSelection",
+      "ctrl-alt-w": "search::ToggleWholeWord",
+      "ctrl-alt-x": "search::ToggleRegex"
+    }
+  },
  {
    "context": "Workspace",
    "bindings": {
+      "ctrl-shift-f12": "workspace::CloseAllDocks",
+      "ctrl-shift-r": ["pane::DeploySearch", { "replace_enabled": true }],
+      "alt-shift-f10": "task::Spawn",
+      "ctrl-e": "file_finder::Toggle",
+      "ctrl-k": "git_panel::ToggleFocus", // bug: This should also focus commit editor
      "ctrl-shift-n": "file_finder::Toggle",
      "ctrl-shift-a": "command_palette::Toggle",
      "shift shift": "command_palette::Toggle",
      "ctrl-alt-shift-n": "project_symbols::Toggle",
+      "alt-0": "git_panel::ToggleFocus",
      "alt-1": "workspace::ToggleLeftDock",
-      "ctrl-e": "tab_switcher::Toggle",
-      "alt-6": "diagnostics::Deploy"
+      "alt-5": "debug_panel::ToggleFocus",
+      "alt-6": "diagnostics::Deploy",
+      "alt-7": "outline_panel::ToggleFocus"
+    }
+  },
+  {
+    "context": "Workspace || Editor",
+    "bindings": {
+      "alt-f12": "terminal_panel::ToggleFocus",
+      "ctrl-shift-k": "git::Push"
    }
  },
  {
@@ -95,10 +119,33 @@
    "context": "ProjectPanel",
    "bindings": {
      "enter": "project_panel::Open",
+      "ctrl-shift-f": "project_panel::NewSearchInDirectory",
      "backspace": ["project_panel::Trash", { "skip_prompt": false }],
      "delete": ["project_panel::Trash", { "skip_prompt": false }],
      "shift-delete": ["project_panel::Delete", { "skip_prompt": false }],
      "shift-f6": "project_panel::Rename"
    }
+  },
+  {
+    "context": "Terminal",
+    "bindings": {
+      "ctrl-shift-t": "workspace::NewTerminal",
+      "alt-f12": "workspace::CloseActiveDock",
+      "alt-left": "pane::ActivatePreviousItem",
+      "alt-right": "pane::ActivateNextItem",
+      "ctrl-up": "terminal::ScrollLineUp",
+      "ctrl-down": "terminal::ScrollLineDown",
+      "shift-pageup": "terminal::ScrollPageUp",
+      "shift-pagedown": "terminal::ScrollPageDown"
+    }
+  },
+  { "context": "GitPanel", "bindings": { "alt-0": "workspace::CloseActiveDock" } },
+  { "context": "ProjectPanel", "bindings": { "alt-1": "workspace::CloseActiveDock" } },
+  { "context": "DebugPanel", "bindings": { "alt-5": "workspace::CloseActiveDock" } },
+  { "context": "Diagnostics > Editor", "bindings": { "alt-6": "pane::CloseActiveItem" } },
+  { "context": "OutlinePanel", "bindings": { "alt-7": "workspace::CloseActiveDock" } },
+  {
+    "context": "Dock || Workspace || Terminal || OutlinePanel || ProjectPanel || CollabPanel || (Editor && mode == auto_height)",
+    "bindings": { "escape": "editor::ToggleFocus" }
  }
 ]
--- a/assets/keymaps/macos/jetbrains.json
+++ b/assets/keymaps/macos/jetbrains.json
@@ -3,6 +3,7 @@
    "bindings": {
      "cmd-{": "pane::ActivatePreviousItem",
      "cmd-}": "pane::ActivateNextItem",
+      "cmd-0": "git_panel::ToggleFocus", // overrides `cmd-0` zoom reset
      "ctrl-f2": "debugger::Stop",
      "f6": "debugger::Pause",
      "f7": "debugger::StepInto",
@@ -63,28 +64,50 @@
    "context": "Editor && mode == full",
    "bindings": {
      "cmd-f12": "outline::Toggle",
-      "cmd-7": "outline::Toggle",
+      "cmd-r": ["buffer_search::Deploy", { "replace_enabled": true }],
      "cmd-shift-o": "file_finder::Toggle",
      "cmd-l": "go_to_line::Toggle",
      "alt-enter": "editor::ToggleCodeActions"
    }
  },
  {
-    "context": "BufferSearchBar > Editor",
+    "context": "BufferSearchBar || ProjectSearchBar",
    "bindings": {
-      "shift-enter": "search::SelectPreviousMatch"
+      "shift-enter": "search::SelectPreviousMatch",
+      "alt-c": "search::ToggleCaseSensitive",
+      "alt-e": "search::ToggleSelection",
+      "alt-x": "search::ToggleRegex",
+      "alt-w": "search::ToggleWholeWord",
+      "ctrl-alt-c": "search::ToggleCaseSensitive",
+      "ctrl-alt-e": "search::ToggleSelection",
+      "ctrl-alt-w": "search::ToggleWholeWord",
+      "ctrl-alt-x": "search::ToggleRegex"
    }
  },
  {
    "context": "Workspace",
    "bindings": {
+      "cmd-shift-f12": "workspace::CloseAllDocks",
+      "cmd-shift-r": ["pane::DeploySearch", { "replace_enabled": true }],
+      "ctrl-alt-r": "task::Spawn",
+      "cmd-e": "file_finder::Toggle",
+      "cmd-k": "git_panel::ToggleFocus", // bug: This should also focus commit editor
      "cmd-shift-o": "file_finder::Toggle",
      "cmd-shift-a": "command_palette::Toggle",
      "shift shift": "command_palette::Toggle",
      "cmd-alt-o": "project_symbols::Toggle", // JetBrains: Go to Symbol
      "cmd-o": "project_symbols::Toggle", // JetBrains: Go to Class
-      "cmd-1": "workspace::ToggleLeftDock",
-      "cmd-6": "diagnostics::Deploy"
+      "cmd-1": "project_panel::ToggleFocus",
+      "cmd-5": "debug_panel::ToggleFocus",
+      "cmd-6": "diagnostics::Deploy",
+      "cmd-7": "outline_panel::ToggleFocus"
+    }
+  },
+  {
+    "context": "Workspace || Editor",
+    "bindings": {
+      "alt-f12": "terminal_panel::ToggleFocus",
+      "cmd-shift-k": "git::Push"
    }
  },
  {
@@ -98,11 +121,31 @@
    "context": "ProjectPanel",
    "bindings": {
      "enter": "project_panel::Open",
+      "cmd-shift-f": "project_panel::NewSearchInDirectory",
      "cmd-backspace": ["project_panel::Trash", { "skip_prompt": false }],
      "backspace": ["project_panel::Trash", { "skip_prompt": false }],
      "delete": ["project_panel::Trash", { "skip_prompt": false }],
      "shift-delete": ["project_panel::Delete", { "skip_prompt": false }],
      "shift-f6": "project_panel::Rename"
    }
+  },
+  {
+    "context": "Terminal",
+    "bindings": {
+      "cmd-t": "workspace::NewTerminal",
+      "alt-f12": "workspace::CloseActiveDock",
+      "cmd-up": "terminal::ScrollLineUp",
+      "cmd-down": "terminal::ScrollLineDown",
+      "shift-pageup": "terminal::ScrollPageUp",
+      "shift-pagedown": "terminal::ScrollPageDown"
+    }
+  },
+  { "context": "GitPanel", "bindings": { "cmd-0": "workspace::CloseActiveDock" } },
+  { "context": "DebugPanel", "bindings": { "cmd-5": "workspace::CloseActiveDock" } },
+  { "context": "Diagnostics > Editor", "bindings": { "cmd-6": "pane::CloseActiveItem" } },
+  { "context": "OutlinePanel", "bindings": { "cmd-7": "workspace::CloseActiveDock" } },
+  {
+    "context": "Dock || Workspace || Terminal || OutlinePanel || ProjectPanel || CollabPanel || (Editor && mode == auto_height)",
+    "bindings": { "escape": "editor::ToggleFocus" }
  }
 ]
--- a/assets/keymaps/vim.json
+++ b/assets/keymaps/vim.json
@@ -466,7 +466,7 @@
    }
  },
  {
-    "context": "vim_mode == insert && showing_signature_help && !showing_completions",
+    "context": "(vim_mode == insert || vim_mode == normal) && showing_signature_help && !showing_completions",
    "bindings": {
      "ctrl-p": "editor::SignatureHelpPrevious",
      "ctrl-n": "editor::SignatureHelpNext"
@@ -841,6 +841,7 @@
      "i": "git_panel::FocusEditor",
      "x": "git::ToggleStaged",
      "shift-x": "git::StageAll",
+      "g x": "git::StageRange",
      "shift-u": "git::UnstageAll"
    }
  },
--- a/assets/settings/default.json
+++ b/assets/settings/default.json
@@ -84,7 +84,7 @@
  "bottom_dock_layout": "contained",
  // The direction that you want to split panes horizontally. Defaults to "up"
  "pane_split_direction_horizontal": "up",
-  // The direction that you want to split panes horizontally. Defaults to "left"
+  // The direction that you want to split panes vertically. Defaults to "left"
  "pane_split_direction_vertical": "left",
  // Centered layout related settings.
  "centered_layout": {
@@ -197,6 +197,8 @@
  //    "inline"
  // 3. Place snippets at the bottom of the completion list:
  //    "bottom"
+  // 4. Do not show snippets in the completion list:
+  //    "none"
  "snippet_sort_order": "inline",
  // How to highlight the current line in the editor.
  //
@@ -362,7 +364,9 @@
    // Whether to show user picture in the titlebar.
    "show_user_picture": true,
    // Whether to show the sign in button in the titlebar.
-    "show_sign_in": true
+    "show_sign_in": true,
+    // Whether to show the menus in the titlebar.
+    "show_menus": false
  },
  // Scrollbar related settings
  "scrollbar": {
@@ -815,7 +819,7 @@
          "edit_file": true,
          "fetch": true,
          "list_directory": true,
-          "project_notifications": true,
+          "project_notifications": false,
          "move_path": true,
          "now": true,
          "find_path": true,
@@ -835,7 +839,7 @@
          "diagnostics": true,
          "fetch": true,
          "list_directory": true,
-          "project_notifications": true,
+          "project_notifications": false,
          "now": true,
          "find_path": true,
          "read_file": true,
@@ -1133,6 +1137,7 @@
    "**/.svn",
    "**/.hg",
    "**/.jj",
+    "**/.repo",
    "**/CVS",
    "**/.DS_Store",
    "**/Thumbs.db",
@@ -1155,16 +1160,14 @@
    // Control whether the git blame information is shown inline,
    // in the currently focused line.
    "inline_blame": {
-      "enabled": true
+      "enabled": true,
      // Sets a delay after which the inline blame information is shown.
      // Delay is restarted with every cursor movement.
-      // "delay_ms": 600
-      //
+      "delay_ms": 0,
      // Whether or not to display the git commit summary on the same line.
-      // "show_commit_summary": false
-      //
+      "show_commit_summary": false,
      // The minimum column number to show the inline blame information at
-      // "min_column": 0
+      "min_column": 0
    },
    // How git hunks are displayed visually in the editor.
    // This setting can take two values:
@@ -1377,11 +1380,11 @@
    // This will be merged with the platform's default font fallbacks
    // "font_fallbacks": ["FiraCode Nerd Fonts"],
    // The weight of the editor font in standard CSS units from 100 to 900.
-    // "font_weight": 400
+    "font_weight": 400,
    // Sets the maximum number of lines in the terminal's scrollback buffer.
    // Default: 10_000, maximum: 100_000 (all bigger values set will be treated as 100_000), 0 disables the scrolling.
    // Existing terminals will not pick up this change until they are recreated.
-    // "max_scroll_history_lines": 10000,
+    "max_scroll_history_lines": 10000,
    // The minimum APCA perceptual contrast between foreground and background colors.
    // APCA (Accessible Perceptual Contrast Algorithm) is more accurate than WCAG 2.x,
    // especially for dark mode. Values range from 0 to 106.
@@ -1670,6 +1673,10 @@
        "allowed": true
      }
    },
+    "SystemVerilog": {
+      "format_on_save": "off",
+      "use_on_type_format": false
+    },
    "Vue.js": {
      "language_servers": ["vue-language-server", "..."],
      "prettier": {
@@ -1855,6 +1862,8 @@
  "read_ssh_config": true,
  // Configures context servers for use by the agent.
  "context_servers": {},
+  // Configures agent servers available in the agent panel.
+  "agent_servers": {},
  "debugger": {
    "stepping_granularity": "line",
    "save_breakpoints": true,
--- a/crates/acp_thread/Cargo.toml
+++ b/crates/acp_thread/Cargo.toml
@@ -0,0 +1,46 @@
+[package]
+name = "acp_thread"
+version = "0.1.0"
+edition.workspace = true
+publish.workspace = true
+license = "GPL-3.0-or-later"
+
+[lints]
+workspace = true
+
+[lib]
+path = "src/acp_thread.rs"
+doctest = false
+
+[features]
+test-support = ["gpui/test-support", "project/test-support"]
+
+[dependencies]
+agentic-coding-protocol.workspace = true
+anyhow.workspace = true
+assistant_tool.workspace = true
+buffer_diff.workspace = true
+editor.workspace = true
+futures.workspace = true
+gpui.workspace = true
+itertools.workspace = true
+language.workspace = true
+markdown.workspace = true
+project.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+settings.workspace = true
+smol.workspace = true
+ui.workspace = true
+util.workspace = true
+workspace-hack.workspace = true
+
+[dev-dependencies]
+async-pipe.workspace = true
+env_logger.workspace = true
+gpui = { workspace = true, "features" = ["test-support"] }
+indoc.workspace = true
+project = { workspace = true, "features" = ["test-support"] }
+tempfile.workspace = true
+util.workspace = true
+settings.workspace = true
--- a/crates/acp_thread/LICENSE-GPL
+++ b/crates/acp_thread/LICENSE-GPL
@@ -0,0 +1 @@
+../../LICENSE-GPL
--- a/crates/acp_thread/src/acp_thread.rs
+++ b/crates/acp_thread/src/acp_thread.rs
--- a/crates/acp_thread/src/connection.rs
+++ b/crates/acp_thread/src/connection.rs
@@ -0,0 +1,20 @@
+use agentic_coding_protocol as acp;
+use anyhow::Result;
+use futures::future::{FutureExt as _, LocalBoxFuture};
+
+pub trait AgentConnection {
+    fn request_any(
+        &self,
+        params: acp::AnyAgentRequest,
+    ) -> LocalBoxFuture<'static, Result<acp::AnyAgentResult>>;
+}
+
+impl AgentConnection for acp::AgentConnection {
+    fn request_any(
+        &self,
+        params: acp::AnyAgentRequest,
+    ) -> LocalBoxFuture<'static, Result<acp::AnyAgentResult>> {
+        let task = self.request_any(params);
+        async move { Ok(task.await?) }.boxed_local()
+    }
+}
--- a/crates/activity_indicator/src/activity_indicator.rs
+++ b/crates/activity_indicator/src/activity_indicator.rs
@@ -448,7 +448,7 @@ impl ActivityIndicator {
                        .into_any_element(),
                ),
                message: format!("Debug: {}", session.read(cx).adapter()),
-                tooltip_message: Some(session.read(cx).label().to_string()),
+                tooltip_message: session.read(cx).label().map(|label| label.to_string()),
                on_click: None,
            });
        }
--- a/crates/agent/src/thread.rs
+++ b/crates/agent/src/thread.rs
@@ -21,6 +21,7 @@ use gpui::{
    AnyWindowHandle, App, AppContext, AsyncApp, Context, Entity, EventEmitter, SharedString, Task,
    WeakEntity, Window,
 };
+use http_client::StatusCode;
 use language_model::{
    ConfiguredModel, LanguageModel, LanguageModelCompletionError, LanguageModelCompletionEvent,
    LanguageModelExt as _, LanguageModelId, LanguageModelRegistry, LanguageModelRequest,
@@ -51,7 +52,19 @@ use uuid::Uuid;
 use zed_llm_client::{CompletionIntent, CompletionRequestStatus, UsageLimit};

 const MAX_RETRY_ATTEMPTS: u8 = 3;
-const BASE_RETRY_DELAY_SECS: u64 = 5;
+const BASE_RETRY_DELAY: Duration = Duration::from_secs(5);
+
+#[derive(Debug, Clone)]
+enum RetryStrategy {
+    ExponentialBackoff {
+        initial_delay: Duration,
+        max_attempts: u8,
+    },
+    Fixed {
+        delay: Duration,
+        max_attempts: u8,
+    },
+}

 #[derive(
    Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Serialize, Deserialize, JsonSchema,
@@ -1284,6 +1297,7 @@ impl Thread {
            tool_choice: None,
            stop: Vec::new(),
            temperature: AgentSettings::temperature_for_model(&model, cx),
+            thinking_allowed: true,
        };

        let available_tools = self.available_tools(cx, model.clone());
@@ -1449,6 +1463,7 @@ impl Thread {
            tool_choice: None,
            stop: Vec::new(),
            temperature: AgentSettings::temperature_for_model(model, cx),
+            thinking_allowed: false,
        };

        for message in &self.messages {
@@ -1517,7 +1532,9 @@ impl Thread {
    ) -> Option<PendingToolUse> {
        let action_log = self.action_log.read(cx);

-        action_log.unnotified_stale_buffers(cx).next()?;
+        if !action_log.has_unnotified_user_edits() {
+            return None;
+        }

        // Represent notification as a simulated `project_notifications` tool call
        let tool_name = Arc::from("project_notifications");
@@ -1931,18 +1948,6 @@ impl Thread {
                                project.set_agent_location(None, cx);
                            });

-                            fn emit_generic_error(error: &anyhow::Error, cx: &mut Context<Thread>) {
-                                let error_message = error
-                                    .chain()
-                                    .map(|err| err.to_string())
-                                    .collect::<Vec<_>>()
-                                    .join("\n");
-                                cx.emit(ThreadEvent::ShowError(ThreadError::Message {
-                                    header: "Error interacting with language model".into(),
-                                    message: SharedString::from(error_message.clone()),
-                                }));
-                            }
-
                            if error.is::<PaymentRequiredError>() {
                                cx.emit(ThreadEvent::ShowError(ThreadError::PaymentRequired));
                            } else if let Some(error) =
@@ -1954,9 +1959,10 @@ impl Thread {
                            } else if let Some(completion_error) =
                                error.downcast_ref::<LanguageModelCompletionError>()
                            {
-                                use LanguageModelCompletionError::*;
                                match &completion_error {
-                                    PromptTooLarge { tokens, .. } => {
+                                    LanguageModelCompletionError::PromptTooLarge {
+                                        tokens, ..
+                                    } => {
                                        let tokens = tokens.unwrap_or_else(|| {
                                            // We didn't get an exact token count from the API, so fall back on our estimate.
                                            thread
@@ -1977,63 +1983,22 @@ impl Thread {
                                        });
                                        cx.notify();
                                    }
-                                    RateLimitExceeded {
-                                        retry_after: Some(retry_after),
-                                        ..
-                                    }
-                                    | ServerOverloaded {
-                                        retry_after: Some(retry_after),
-                                        ..
-                                    } => {
-                                        thread.handle_rate_limit_error(
-                                            &completion_error,
-                                            *retry_after,
-                                            model.clone(),
-                                            intent,
-                                            window,
-                                            cx,
-                                        );
-                                        retry_scheduled = true;
-                                    }
-                                    RateLimitExceeded { .. } | ServerOverloaded { .. } => {
-                                        retry_scheduled = thread.handle_retryable_error(
-                                            &completion_error,
-                                            model.clone(),
-                                            intent,
-                                            window,
-                                            cx,
-                                        );
-                                        if !retry_scheduled {
-                                            emit_generic_error(error, cx);
+                                    _ => {
+                                        if let Some(retry_strategy) =
+                                            Thread::get_retry_strategy(completion_error)
+                                        {
+                                            retry_scheduled = thread
+                                                .handle_retryable_error_with_delay(
+                                                    &completion_error,
+                                                    Some(retry_strategy),
+                                                    model.clone(),
+                                                    intent,
+                                                    window,
+                                                    cx,
+                                                );
                                        }
                                    }
-                                    ApiInternalServerError { .. }
-                                    | ApiReadResponseError { .. }
-                                    | HttpSend { .. } => {
-                                        retry_scheduled = thread.handle_retryable_error(
-                                            &completion_error,
-                                            model.clone(),
-                                            intent,
-                                            window,
-                                            cx,
-                                        );
-                                        if !retry_scheduled {
-                                            emit_generic_error(error, cx);
-                                        }
-                                    }
-                                    NoApiKey { .. }
-                                    | HttpResponseError { .. }
-                                    | BadRequestFormat { .. }
-                                    | AuthenticationError { .. }
-                                    | PermissionError { .. }
-                                    | ApiEndpointNotFound { .. }
-                                    | SerializeRequest { .. }
-                                    | BuildRequestBody { .. }
-                                    | DeserializeResponse { .. }
-                                    | Other { .. } => emit_generic_error(error, cx),
                                }
-                            } else {
-                                emit_generic_error(error, cx);
                            }

                            if !retry_scheduled {
@@ -2160,73 +2125,86 @@ impl Thread {
        });
    }

-    fn handle_rate_limit_error(
-        &mut self,
-        error: &LanguageModelCompletionError,
-        retry_after: Duration,
-        model: Arc<dyn LanguageModel>,
-        intent: CompletionIntent,
-        window: Option<AnyWindowHandle>,
-        cx: &mut Context<Self>,
-    ) {
-        // For rate limit errors, we only retry once with the specified duration
-        let retry_message = format!("{error}. Retrying in {} seconds…", retry_after.as_secs());
-        log::warn!(
-            "Retrying completion request in {} seconds: {error:?}",
-            retry_after.as_secs(),
-        );
+    fn get_retry_strategy(error: &LanguageModelCompletionError) -> Option<RetryStrategy> {
+        use LanguageModelCompletionError::*;

-        // Add a UI-only message instead of a regular message
-        let id = self.next_message_id.post_inc();
-        self.messages.push(Message {
-            id,
-            role: Role::System,
-            segments: vec![MessageSegment::Text(retry_message)],
-            loaded_context: LoadedContext::default(),
-            creases: Vec::new(),
-            is_hidden: false,
-            ui_only: true,
-        });
-        cx.emit(ThreadEvent::MessageAdded(id));
-        // Schedule the retry
-        let thread_handle = cx.entity().downgrade();
-
-        cx.spawn(async move |_thread, cx| {
-            cx.background_executor().timer(retry_after).await;
-
-            thread_handle
-                .update(cx, |thread, cx| {
-                    // Retry the completion
-                    thread.send_to_model(model, intent, window, cx);
+        // General strategy here:
+        // - If retrying won't help (e.g. invalid API key or payload too large), return None so we don't retry at all.
+        // - If it's a time-based issue (e.g. server overloaded, rate limit exceeded), try multiple times with exponential backoff.
+        // - If it's an issue that *might* be fixed by retrying (e.g. internal server error), just retry once.
+        match error {
+            HttpResponseError {
+                status_code: StatusCode::TOO_MANY_REQUESTS,
+                ..
+            } => Some(RetryStrategy::ExponentialBackoff {
+                initial_delay: BASE_RETRY_DELAY,
+                max_attempts: MAX_RETRY_ATTEMPTS,
+            }),
+            ServerOverloaded { retry_after, .. } | RateLimitExceeded { retry_after, .. } => {
+                Some(RetryStrategy::Fixed {
+                    delay: retry_after.unwrap_or(BASE_RETRY_DELAY),
+                    max_attempts: MAX_RETRY_ATTEMPTS,
                })
-                .log_err();
-        })
-        .detach();
-    }
-
-    fn handle_retryable_error(
-        &mut self,
-        error: &LanguageModelCompletionError,
-        model: Arc<dyn LanguageModel>,
-        intent: CompletionIntent,
-        window: Option<AnyWindowHandle>,
-        cx: &mut Context<Self>,
-    ) -> bool {
-        self.handle_retryable_error_with_delay(error, None, model, intent, window, cx)
+            }
+            ApiInternalServerError { .. } => Some(RetryStrategy::Fixed {
+                delay: BASE_RETRY_DELAY,
+                max_attempts: 1,
+            }),
+            ApiReadResponseError { .. }
+            | HttpSend { .. }
+            | DeserializeResponse { .. }
+            | BadRequestFormat { .. } => Some(RetryStrategy::Fixed {
+                delay: BASE_RETRY_DELAY,
+                max_attempts: 1,
+            }),
+            // Retrying these errors definitely shouldn't help.
+            HttpResponseError {
+                status_code:
+                    StatusCode::PAYLOAD_TOO_LARGE | StatusCode::FORBIDDEN | StatusCode::UNAUTHORIZED,
+                ..
+            }
+            | SerializeRequest { .. }
+            | BuildRequestBody { .. }
+            | PromptTooLarge { .. }
+            | AuthenticationError { .. }
+            | PermissionError { .. }
+            | ApiEndpointNotFound { .. }
+            | NoApiKey { .. } => None,
+            // Retry all other 4xx and 5xx errors once.
+            HttpResponseError { status_code, .. }
+                if status_code.is_client_error() || status_code.is_server_error() =>
+            {
+                Some(RetryStrategy::Fixed {
+                    delay: BASE_RETRY_DELAY,
+                    max_attempts: 1,
+                })
+            }
+            // Conservatively assume that any other errors are non-retryable
+            HttpResponseError { .. } | Other(..) => None,
+        }
    }

    fn handle_retryable_error_with_delay(
        &mut self,
        error: &LanguageModelCompletionError,
-        custom_delay: Option<Duration>,
+        strategy: Option<RetryStrategy>,
        model: Arc<dyn LanguageModel>,
        intent: CompletionIntent,
        window: Option<AnyWindowHandle>,
        cx: &mut Context<Self>,
    ) -> bool {
+        let Some(strategy) = strategy.or_else(|| Self::get_retry_strategy(error)) else {
+            return false;
+        };
+
+        let max_attempts = match &strategy {
+            RetryStrategy::ExponentialBackoff { max_attempts, .. } => *max_attempts,
+            RetryStrategy::Fixed { max_attempts, .. } => *max_attempts,
+        };
+
        let retry_state = self.retry_state.get_or_insert(RetryState {
            attempt: 0,
-            max_attempts: MAX_RETRY_ATTEMPTS,
+            max_attempts,
            intent,
        });

@@ -2236,20 +2214,24 @@ impl Thread {
        let intent = retry_state.intent;

        if attempt <= max_attempts {
-            // Use custom delay if provided (e.g., from rate limit), otherwise exponential backoff
-            let delay = if let Some(custom_delay) = custom_delay {
-                custom_delay
-            } else {
-                let delay_secs = BASE_RETRY_DELAY_SECS * 2u64.pow((attempt - 1) as u32);
-                Duration::from_secs(delay_secs)
+            let delay = match &strategy {
+                RetryStrategy::ExponentialBackoff { initial_delay, .. } => {
+                    let delay_secs = initial_delay.as_secs() * 2u64.pow((attempt - 1) as u32);
+                    Duration::from_secs(delay_secs)
+                }
+                RetryStrategy::Fixed { delay, .. } => *delay,
            };

            // Add a transient message to inform the user
            let delay_secs = delay.as_secs();
-            let retry_message = format!(
-                "{error}. Retrying (attempt {attempt} of {max_attempts}) \
-                in {delay_secs} seconds..."
-            );
+            let retry_message = if max_attempts == 1 {
+                format!("{error}. Retrying in {delay_secs} seconds...")
+            } else {
+                format!(
+                    "{error}. Retrying (attempt {attempt} of {max_attempts}) \
+                    in {delay_secs} seconds..."
+                )
+            };
            log::warn!(
                "Retrying completion request (attempt {attempt} of {max_attempts}) \
                in {delay_secs} seconds: {error:?}",
@@ -2288,19 +2270,9 @@ impl Thread {
            // Max retries exceeded
            self.retry_state = None;

-            let notification_text = if max_attempts == 1 {
-                "Failed after retrying.".into()
-            } else {
-                format!("Failed after retrying {} times.", max_attempts).into()
-            };
-
            // Stop generating since we're giving up on retrying.
            self.pending_completions.clear();

-            cx.emit(ThreadEvent::RetriesFailed {
-                message: notification_text,
-            });
-
            false
        }
    }
@@ -3256,9 +3228,6 @@ pub enum ThreadEvent {
    CancelEditing,
    CompletionCanceled,
    ProfileChanged,
-    RetriesFailed {
-        message: SharedString,
-    },
 }

 impl EventEmitter<ThreadEvent> for Thread {}
@@ -3286,7 +3255,6 @@ mod tests {
    use futures::stream::BoxStream;
    use gpui::TestAppContext;
    use http_client;
-    use indoc::indoc;
    use language_model::fake_provider::{FakeLanguageModel, FakeLanguageModelProvider};
    use language_model::{
        LanguageModelCompletionError, LanguageModelName, LanguageModelProviderId,
@@ -3615,6 +3583,7 @@ fn main() {{
    }

    #[gpui::test]
+    #[ignore] // turn this test on when project_notifications tool is re-enabled
    async fn test_stale_buffer_notification(cx: &mut TestAppContext) {
        init_test_settings(cx);

@@ -3647,6 +3616,7 @@ fn main() {{
                cx,
            );
        });
+        cx.run_until_parked();

        // We shouldn't have a stale buffer notification yet
        let notifications = thread.read_with(cx, |thread, _| {
@@ -3676,11 +3646,13 @@ fn main() {{
                cx,
            )
        });
+        cx.run_until_parked();

        // Check for the stale buffer warning
        thread.update(cx, |thread, cx| {
            thread.flush_notifications(model.clone(), CompletionIntent::UserPrompt, cx)
        });
+        cx.run_until_parked();

        let notifications = thread.read_with(cx, |thread, _cx| {
            find_tool_uses(thread, "project_notifications")
@@ -3694,12 +3666,8 @@ fn main() {{
            panic!("`project_notifications` should return text");
        };

-        let expected_content = indoc! {"[The following is an auto-generated notification; do not reply]
-
-        These files have changed since the last read:
-        - code.rs
-        "};
-        assert_eq!(notification_content, expected_content);
+        assert!(notification_content.contains("These files have changed since the last read:"));
+        assert!(notification_content.contains("code.rs"));

        // Insert another user message and flush notifications again
        thread.update(cx, |thread, cx| {
@@ -3715,6 +3683,7 @@ fn main() {{
        thread.update(cx, |thread, cx| {
            thread.flush_notifications(model.clone(), CompletionIntent::UserPrompt, cx)
        });
+        cx.run_until_parked();

        // There should be no new notifications (we already flushed one)
        let notifications = thread.read_with(cx, |thread, _cx| {
@@ -4190,7 +4159,7 @@ fn main() {{
            assert_eq!(retry_state.attempt, 1, "Should be first retry attempt");
            assert_eq!(
                retry_state.max_attempts, MAX_RETRY_ATTEMPTS,
-                "Should have default max attempts"
+                "Should retry MAX_RETRY_ATTEMPTS times for overloaded errors"
            );
        });

@@ -4263,7 +4232,7 @@ fn main() {{
            let retry_state = thread.retry_state.as_ref().unwrap();
            assert_eq!(retry_state.attempt, 1, "Should be first retry attempt");
            assert_eq!(
-                retry_state.max_attempts, MAX_RETRY_ATTEMPTS,
+                retry_state.max_attempts, 1,
                "Should have correct max attempts"
            );
        });
@@ -4279,8 +4248,8 @@ fn main() {{
                            if let MessageSegment::Text(text) = seg {
                                text.contains("internal")
                                    && text.contains("Fake")
-                                    && text
-                                        .contains(&format!("attempt 1 of {}", MAX_RETRY_ATTEMPTS))
+                                    && text.contains("Retrying in")
+                                    && !text.contains("attempt")
                            } else {
                                false
                            }
@@ -4318,8 +4287,8 @@ fn main() {{
        let project = create_test_project(cx, json!({})).await;
        let (_, _, thread, _, _base_model) = setup_test_environment(cx, project.clone()).await;

-        // Create model that returns overloaded error
-        let model = Arc::new(ErrorInjector::new(TestError::Overloaded));
+        // Create model that returns internal server error
+        let model = Arc::new(ErrorInjector::new(TestError::InternalServerError));

        // Insert a user message
        thread.update(cx, |thread, cx| {
@@ -4369,11 +4338,14 @@ fn main() {{
            assert!(thread.retry_state.is_some(), "Should have retry state");
            let retry_state = thread.retry_state.as_ref().unwrap();
            assert_eq!(retry_state.attempt, 1, "Should be first retry attempt");
+            assert_eq!(
+                retry_state.max_attempts, 1,
+                "Internal server errors should only retry once"
+            );
        });

        // Advance clock for first retry
-        cx.executor()
-            .advance_clock(Duration::from_secs(BASE_RETRY_DELAY_SECS));
+        cx.executor().advance_clock(BASE_RETRY_DELAY);
        cx.run_until_parked();

        // Should have scheduled second retry - count retry messages
@@ -4393,93 +4365,25 @@ fn main() {{
                })
                .count()
        });
-        assert_eq!(retry_count, 2, "Should have scheduled second retry");
-
-        // Check retry state updated
-        thread.read_with(cx, |thread, _| {
-            assert!(thread.retry_state.is_some(), "Should have retry state");
-            let retry_state = thread.retry_state.as_ref().unwrap();
-            assert_eq!(retry_state.attempt, 2, "Should be second retry attempt");
-            assert_eq!(
-                retry_state.max_attempts, MAX_RETRY_ATTEMPTS,
-                "Should have correct max attempts"
-            );
-        });
-
-        // Advance clock for second retry (exponential backoff)
-        cx.executor()
-            .advance_clock(Duration::from_secs(BASE_RETRY_DELAY_SECS * 2));
-        cx.run_until_parked();
-
-        // Should have scheduled third retry
-        // Count all retry messages now
-        let retry_count = thread.update(cx, |thread, _| {
-            thread
-                .messages
-                .iter()
-                .filter(|m| {
-                    m.ui_only
-                        && m.segments.iter().any(|s| {
-                            if let MessageSegment::Text(text) = s {
-                                text.contains("Retrying") && text.contains("seconds")
-                            } else {
-                                false
-                            }
-                        })
-                })
-                .count()
-        });
        assert_eq!(
-            retry_count, MAX_RETRY_ATTEMPTS as usize,
-            "Should have scheduled third retry"
+            retry_count, 1,
+            "Should have only one retry for internal server errors"
        );

-        // Check retry state updated
+        // For internal server errors, we only retry once and then give up
+        // Check that retry_state is cleared after the single retry
        thread.read_with(cx, |thread, _| {
-            assert!(thread.retry_state.is_some(), "Should have retry state");
-            let retry_state = thread.retry_state.as_ref().unwrap();
-            assert_eq!(
-                retry_state.attempt, MAX_RETRY_ATTEMPTS,
-                "Should be at max retry attempt"
-            );
-            assert_eq!(
-                retry_state.max_attempts, MAX_RETRY_ATTEMPTS,
-                "Should have correct max attempts"
+            assert!(
+                thread.retry_state.is_none(),
+                "Retry state should be cleared after single retry"
            );
        });

-        // Advance clock for third retry (exponential backoff)
-        cx.executor()
-            .advance_clock(Duration::from_secs(BASE_RETRY_DELAY_SECS * 4));
-        cx.run_until_parked();
-
-        // No more retries should be scheduled after clock was advanced.
-        let retry_count = thread.update(cx, |thread, _| {
-            thread
-                .messages
-                .iter()
-                .filter(|m| {
-                    m.ui_only
-                        && m.segments.iter().any(|s| {
-                            if let MessageSegment::Text(text) = s {
-                                text.contains("Retrying") && text.contains("seconds")
-                            } else {
-                                false
-                            }
-                        })
-                })
-                .count()
-        });
-        assert_eq!(
-            retry_count, MAX_RETRY_ATTEMPTS as usize,
-            "Should not exceed max retries"
-        );
-
-        // Final completion count should be initial + max retries
+        // Verify total attempts (1 initial + 1 retry)
        assert_eq!(
            *completion_count.lock(),
-            (MAX_RETRY_ATTEMPTS + 1) as usize,
-            "Should have made initial + max retry attempts"
+            2,
+            "Should have attempted once plus 1 retry"
        );
    }

@@ -4499,13 +4403,13 @@ fn main() {{
        });

        // Track events
-        let retries_failed = Arc::new(Mutex::new(false));
-        let retries_failed_clone = retries_failed.clone();
+        let stopped_with_error = Arc::new(Mutex::new(false));
+        let stopped_with_error_clone = stopped_with_error.clone();

        let _subscription = thread.update(cx, |_, cx| {
            cx.subscribe(&thread, move |_, _, event: &ThreadEvent, _| {
-                if let ThreadEvent::RetriesFailed { .. } = event {
-                    *retries_failed_clone.lock() = true;
+                if let ThreadEvent::Stopped(Err(_)) = event {
+                    *stopped_with_error_clone.lock() = true;
                }
            })
        });
@@ -4517,23 +4421,11 @@ fn main() {{
        cx.run_until_parked();

        // Advance through all retries
-        for i in 0..MAX_RETRY_ATTEMPTS {
-            let delay = if i == 0 {
-                BASE_RETRY_DELAY_SECS
-            } else {
-                BASE_RETRY_DELAY_SECS * 2u64.pow(i as u32 - 1)
-            };
-            cx.executor().advance_clock(Duration::from_secs(delay));
+        for _ in 0..MAX_RETRY_ATTEMPTS {
+            cx.executor().advance_clock(BASE_RETRY_DELAY);
            cx.run_until_parked();
        }

-        // After the 3rd retry is scheduled, we need to wait for it to execute and fail
-        // The 3rd retry has a delay of BASE_RETRY_DELAY_SECS * 4 (20 seconds)
-        let final_delay = BASE_RETRY_DELAY_SECS * 2u64.pow((MAX_RETRY_ATTEMPTS - 1) as u32);
-        cx.executor()
-            .advance_clock(Duration::from_secs(final_delay));
-        cx.run_until_parked();
-
        let retry_count = thread.update(cx, |thread, _| {
            thread
                .messages
@@ -4551,14 +4443,14 @@ fn main() {{
                .count()
        });

-        // After max retries, should emit RetriesFailed event
+        // After max retries, should emit Stopped(Err(...)) event
        assert_eq!(
            retry_count, MAX_RETRY_ATTEMPTS as usize,
-            "Should have attempted max retries"
+            "Should have attempted MAX_RETRY_ATTEMPTS retries for overloaded errors"
        );
        assert!(
-            *retries_failed.lock(),
-            "Should emit RetriesFailed event after max retries exceeded"
+            *stopped_with_error.lock(),
+            "Should emit Stopped(Err(...)) event after max retries exceeded"
        );

        // Retry state should be cleared
@@ -4576,7 +4468,7 @@ fn main() {{
                .count();
            assert_eq!(
                retry_messages, MAX_RETRY_ATTEMPTS as usize,
-                "Should have one retry message per attempt"
+                "Should have MAX_RETRY_ATTEMPTS retry messages for overloaded errors"
            );
        });
    }
@@ -4714,8 +4606,7 @@ fn main() {{
        });

        // Wait for retry
-        cx.executor()
-            .advance_clock(Duration::from_secs(BASE_RETRY_DELAY_SECS));
+        cx.executor().advance_clock(BASE_RETRY_DELAY);
        cx.run_until_parked();

        // Stream some successful content
@@ -4877,8 +4768,7 @@ fn main() {{
        });

        // Wait for retry delay
-        cx.executor()
-            .advance_clock(Duration::from_secs(BASE_RETRY_DELAY_SECS));
+        cx.executor().advance_clock(BASE_RETRY_DELAY);
        cx.run_until_parked();

        // The retry should now use our FailOnceModel which should succeed
@@ -5037,9 +4927,15 @@ fn main() {{

        thread.read_with(cx, |thread, _| {
            assert!(
-                thread.retry_state.is_none(),
-                "Rate limit errors should not set retry_state"
+                thread.retry_state.is_some(),
+                "Rate limit errors should set retry_state"
            );
+            if let Some(retry_state) = &thread.retry_state {
+                assert_eq!(
+                    retry_state.max_attempts, MAX_RETRY_ATTEMPTS,
+                    "Rate limit errors should use MAX_RETRY_ATTEMPTS"
+                );
+            }
        });

        // Verify we have one retry message
@@ -5072,18 +4968,15 @@ fn main() {{
                .find(|msg| msg.role == Role::System && msg.ui_only)
                .expect("Should have a retry message");

-            // Check that the message doesn't contain attempt count
+            // Check that the message contains attempt count since we use retry_state
            if let Some(MessageSegment::Text(text)) = retry_message.segments.first() {
                assert!(
-                    !text.contains("attempt"),
-                    "Rate limit retry message should not contain attempt count"
+                    text.contains(&format!("attempt 1 of {}", MAX_RETRY_ATTEMPTS)),
+                    "Rate limit retry message should contain attempt count with MAX_RETRY_ATTEMPTS"
                );
                assert!(
-                    text.contains(&format!(
-                        "Retrying in {} seconds",
-                        TEST_RATE_LIMIT_RETRY_SECS
-                    )),
-                    "Rate limit retry message should contain retry delay"
+                    text.contains("Retrying"),
+                    "Rate limit retry message should contain retry text"
                );
            }
        });
--- a/crates/agent_servers/Cargo.toml
+++ b/crates/agent_servers/Cargo.toml
@@ -0,0 +1,48 @@
+[package]
+name = "agent_servers"
+version = "0.1.0"
+edition.workspace = true
+publish.workspace = true
+license = "GPL-3.0-or-later"
+
+[features]
+test-support = ["acp_thread/test-support", "gpui/test-support", "project/test-support"]
+e2e = []
+
+[lints]
+workspace = true
+
+[lib]
+path = "src/agent_servers.rs"
+doctest = false
+
+[dependencies]
+acp_thread.workspace = true
+agentic-coding-protocol.workspace = true
+anyhow.workspace = true
+collections.workspace = true
+context_server.workspace = true
+futures.workspace = true
+gpui.workspace = true
+itertools.workspace = true
+log.workspace = true
+paths.workspace = true
+project.workspace = true
+schemars.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+settings.workspace = true
+smol.workspace = true
+tempfile.workspace = true
+ui.workspace = true
+util.workspace = true
+watch.workspace = true
+which.workspace = true
+workspace-hack.workspace = true
+
+[dev-dependencies]
+env_logger.workspace = true
+language.workspace = true
+indoc.workspace = true
+acp_thread = { workspace = true, features = ["test-support"] }
+gpui = { workspace = true, features = ["test-support"] }
--- a/crates/agent_servers/LICENSE-GPL
+++ b/crates/agent_servers/LICENSE-GPL
@@ -0,0 +1 @@
+../../LICENSE-GPL
--- a/crates/agent_servers/src/agent_servers.rs
+++ b/crates/agent_servers/src/agent_servers.rs
@@ -0,0 +1,167 @@
+mod claude;
+mod codex;
+mod gemini;
+mod settings;
+mod stdio_agent_server;
+
+#[cfg(test)]
+mod e2e_tests;
+
+pub use claude::*;
+pub use codex::*;
+pub use gemini::*;
+pub use settings::*;
+pub use stdio_agent_server::*;
+
+use acp_thread::AcpThread;
+use anyhow::Result;
+use collections::HashMap;
+use gpui::{App, AsyncApp, Entity, SharedString, Task};
+use project::Project;
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use std::{
+    path::{Path, PathBuf},
+    sync::Arc,
+};
+use util::ResultExt as _;
+
+pub fn init(cx: &mut App) {
+    settings::init(cx);
+}
+
+pub trait AgentServer: Send {
+    fn logo(&self) -> ui::IconName;
+    fn name(&self) -> &'static str;
+    fn empty_state_headline(&self) -> &'static str;
+    fn empty_state_message(&self) -> &'static str;
+    fn supports_always_allow(&self) -> bool;
+
+    fn new_thread(
+        &self,
+        root_dir: &Path,
+        project: &Entity<Project>,
+        cx: &mut App,
+    ) -> Task<Result<Entity<AcpThread>>>;
+}
+
+impl std::fmt::Debug for AgentServerCommand {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let filtered_env = self.env.as_ref().map(|env| {
+            env.iter()
+                .map(|(k, v)| {
+                    (
+                        k,
+                        if util::redact::should_redact(k) {
+                            "[REDACTED]"
+                        } else {
+                            v
+                        },
+                    )
+                })
+                .collect::<Vec<_>>()
+        });
+
+        f.debug_struct("AgentServerCommand")
+            .field("path", &self.path)
+            .field("args", &self.args)
+            .field("env", &filtered_env)
+            .finish()
+    }
+}
+
+pub enum AgentServerVersion {
+    Supported,
+    Unsupported {
+        error_message: SharedString,
+        upgrade_message: SharedString,
+        upgrade_command: String,
+    },
+}
+
+#[derive(Deserialize, Serialize, Clone, PartialEq, Eq, JsonSchema)]
+pub struct AgentServerCommand {
+    #[serde(rename = "command")]
+    pub path: PathBuf,
+    #[serde(default)]
+    pub args: Vec<String>,
+    pub env: Option<HashMap<String, String>>,
+}
+
+impl AgentServerCommand {
+    pub(crate) async fn resolve(
+        path_bin_name: &'static str,
+        extra_args: &[&'static str],
+        settings: Option<AgentServerSettings>,
+        project: &Entity<Project>,
+        cx: &mut AsyncApp,
+    ) -> Option<Self> {
+        if let Some(agent_settings) = settings {
+            return Some(Self {
+                path: agent_settings.command.path,
+                args: agent_settings
+                    .command
+                    .args
+                    .into_iter()
+                    .chain(extra_args.iter().map(|arg| arg.to_string()))
+                    .collect(),
+                env: agent_settings.command.env,
+            });
+        } else {
+            find_bin_in_path(path_bin_name, project, cx)
+                .await
+                .map(|path| Self {
+                    path,
+                    args: extra_args.iter().map(|arg| arg.to_string()).collect(),
+                    env: None,
+                })
+        }
+    }
+}
+
+async fn find_bin_in_path(
+    bin_name: &'static str,
+    project: &Entity<Project>,
+    cx: &mut AsyncApp,
+) -> Option<PathBuf> {
+    let (env_task, root_dir) = project
+        .update(cx, |project, cx| {
+            let worktree = project.visible_worktrees(cx).next();
+            match worktree {
+                Some(worktree) => {
+                    let env_task = project.environment().update(cx, |env, cx| {
+                        env.get_worktree_environment(worktree.clone(), cx)
+                    });
+
+                    let path = worktree.read(cx).abs_path();
+                    (env_task, path)
+                }
+                None => {
+                    let path: Arc<Path> = paths::home_dir().as_path().into();
+                    let env_task = project.environment().update(cx, |env, cx| {
+                        env.get_directory_environment(path.clone(), cx)
+                    });
+                    (env_task, path)
+                }
+            }
+        })
+        .log_err()?;
+
+    cx.background_executor()
+        .spawn(async move {
+            let which_result = if cfg!(windows) {
+                which::which(bin_name)
+            } else {
+                let env = env_task.await.unwrap_or_default();
+                let shell_path = env.get("PATH").cloned();
+                which::which_in(bin_name, shell_path.as_ref(), root_dir.as_ref())
+            };
+
+            if let Err(which::Error::CannotFindBinaryPath) = which_result {
+                return None;
+            }
+
+            which_result.log_err()
+        })
+        .await
+}
--- a/crates/agent_servers/src/claude.rs
+++ b/crates/agent_servers/src/claude.rs
@@ -0,0 +1,701 @@
+mod mcp_server;
+mod tools;
+
+use collections::HashMap;
+use project::Project;
+use settings::SettingsStore;
+use std::cell::RefCell;
+use std::fmt::Display;
+use std::path::Path;
+use std::rc::Rc;
+
+use agentic_coding_protocol::{
+    self as acp, AnyAgentRequest, AnyAgentResult, Client, ProtocolVersion,
+    StreamAssistantMessageChunkParams, ToolCallContent, UpdateToolCallParams,
+};
+use anyhow::{Result, anyhow};
+use futures::channel::oneshot;
+use futures::future::LocalBoxFuture;
+use futures::{AsyncBufReadExt, AsyncWriteExt};
+use futures::{
+    AsyncRead, AsyncWrite, FutureExt, StreamExt,
+    channel::mpsc::{self, UnboundedReceiver, UnboundedSender},
+    io::BufReader,
+    select_biased,
+};
+use gpui::{App, AppContext, Entity, Task};
+use serde::{Deserialize, Serialize};
+use util::ResultExt;
+
+use crate::claude::mcp_server::ClaudeMcpServer;
+use crate::claude::tools::ClaudeTool;
+use crate::{AgentServer, AgentServerCommand, AllAgentServersSettings};
+use acp_thread::{AcpClientDelegate, AcpThread, AgentConnection};
+
+#[derive(Clone)]
+pub struct ClaudeCode;
+
+impl AgentServer for ClaudeCode {
+    fn name(&self) -> &'static str {
+        "Claude Code"
+    }
+
+    fn empty_state_headline(&self) -> &'static str {
+        self.name()
+    }
+
+    fn empty_state_message(&self) -> &'static str {
+        ""
+    }
+
+    fn logo(&self) -> ui::IconName {
+        ui::IconName::AiClaude
+    }
+
+    fn supports_always_allow(&self) -> bool {
+        false
+    }
+
+    fn new_thread(
+        &self,
+        root_dir: &Path,
+        project: &Entity<Project>,
+        cx: &mut App,
+    ) -> Task<Result<Entity<AcpThread>>> {
+        let project = project.clone();
+        let root_dir = root_dir.to_path_buf();
+        let title = self.name().into();
+        cx.spawn(async move |cx| {
+            let (mut delegate_tx, delegate_rx) = watch::channel(None);
+            let tool_id_map = Rc::new(RefCell::new(HashMap::default()));
+
+            let permission_mcp_server =
+                ClaudeMcpServer::new(delegate_rx, tool_id_map.clone(), cx).await?;
+
+            let mut mcp_servers = HashMap::default();
+            mcp_servers.insert(
+                mcp_server::SERVER_NAME.to_string(),
+                permission_mcp_server.server_config()?,
+            );
+            let mcp_config = McpConfig { mcp_servers };
+
+            let mcp_config_file = tempfile::NamedTempFile::new()?;
+            let (mcp_config_file, mcp_config_path) = mcp_config_file.into_parts();
+
+            let mut mcp_config_file = smol::fs::File::from(mcp_config_file);
+            mcp_config_file
+                .write_all(serde_json::to_string(&mcp_config)?.as_bytes())
+                .await?;
+            mcp_config_file.flush().await?;
+
+            let settings = cx.read_global(|settings: &SettingsStore, _| {
+                settings.get::<AllAgentServersSettings>(None).claude.clone()
+            })?;
+
+            let Some(command) =
+                AgentServerCommand::resolve("claude", &[], settings, &project, cx).await
+            else {
+                anyhow::bail!("Failed to find claude binary");
+            };
+
+            let mut child = util::command::new_smol_command(&command.path)
+                .args(
+                    [
+                        "--input-format",
+                        "stream-json",
+                        "--output-format",
+                        "stream-json",
+                        "--print",
+                        "--verbose",
+                        "--mcp-config",
+                        mcp_config_path.to_string_lossy().as_ref(),
+                        "--permission-prompt-tool",
+                        &format!(
+                            "mcp__{}__{}",
+                            mcp_server::SERVER_NAME,
+                            mcp_server::PERMISSION_TOOL
+                        ),
+                        "--allowedTools",
+                        "mcp__zed__Read,mcp__zed__Edit",
+                        "--disallowedTools",
+                        "Read,Edit",
+                    ]
+                    .into_iter()
+                    .chain(command.args.iter().map(|arg| arg.as_str())),
+                )
+                .current_dir(root_dir)
+                .stdin(std::process::Stdio::piped())
+                .stdout(std::process::Stdio::piped())
+                .stderr(std::process::Stdio::inherit())
+                .kill_on_drop(true)
+                .spawn()?;
+
+            let stdin = child.stdin.take().unwrap();
+            let stdout = child.stdout.take().unwrap();
+
+            let (incoming_message_tx, mut incoming_message_rx) = mpsc::unbounded();
+            let (outgoing_tx, outgoing_rx) = mpsc::unbounded();
+
+            let io_task =
+                ClaudeAgentConnection::handle_io(outgoing_rx, incoming_message_tx, stdin, stdout);
+            cx.background_spawn(async move {
+                io_task.await.log_err();
+                drop(mcp_config_path);
+                drop(child);
+            })
+            .detach();
+
+            cx.new(|cx| {
+                let end_turn_tx = Rc::new(RefCell::new(None));
+                let delegate = AcpClientDelegate::new(cx.entity().downgrade(), cx.to_async());
+                delegate_tx.send(Some(delegate.clone())).log_err();
+
+                let handler_task = cx.foreground_executor().spawn({
+                    let end_turn_tx = end_turn_tx.clone();
+                    let tool_id_map = tool_id_map.clone();
+                    async move {
+                        while let Some(message) = incoming_message_rx.next().await {
+                            ClaudeAgentConnection::handle_message(
+                                delegate.clone(),
+                                message,
+                                end_turn_tx.clone(),
+                                tool_id_map.clone(),
+                            )
+                            .await
+                        }
+                    }
+                });
+
+                let mut connection = ClaudeAgentConnection {
+                    outgoing_tx,
+                    end_turn_tx,
+                    _handler_task: handler_task,
+                    _mcp_server: None,
+                };
+
+                connection._mcp_server = Some(permission_mcp_server);
+                acp_thread::AcpThread::new(connection, title, None, project.clone(), cx)
+            })
+        })
+    }
+}
+
+impl AgentConnection for ClaudeAgentConnection {
+    /// Send a request to the agent and wait for a response.
+    fn request_any(
+        &self,
+        params: AnyAgentRequest,
+    ) -> LocalBoxFuture<'static, Result<acp::AnyAgentResult>> {
+        let end_turn_tx = self.end_turn_tx.clone();
+        let outgoing_tx = self.outgoing_tx.clone();
+        async move {
+            match params {
+                // todo: consider sending an empty request so we get the init response?
+                AnyAgentRequest::InitializeParams(_) => Ok(AnyAgentResult::InitializeResponse(
+                    acp::InitializeResponse {
+                        is_authenticated: true,
+                        protocol_version: ProtocolVersion::latest(),
+                    },
+                )),
+                AnyAgentRequest::AuthenticateParams(_) => {
+                    Err(anyhow!("Authentication not supported"))
+                }
+                AnyAgentRequest::SendUserMessageParams(message) => {
+                    let (tx, rx) = oneshot::channel();
+                    end_turn_tx.borrow_mut().replace(tx);
+                    let mut content = String::new();
+                    for chunk in message.chunks {
+                        match chunk {
+                            agentic_coding_protocol::UserMessageChunk::Text { text } => {
+                                content.push_str(&text)
+                            }
+                            agentic_coding_protocol::UserMessageChunk::Path { path } => {
+                                content.push_str(&format!("@{path:?}"))
+                            }
+                        }
+                    }
+                    outgoing_tx.unbounded_send(SdkMessage::User {
+                        message: Message {
+                            role: Role::User,
+                            content: Content::UntaggedText(content),
+                            id: None,
+                            model: None,
+                            stop_reason: None,
+                            stop_sequence: None,
+                            usage: None,
+                        },
+                        session_id: None,
+                    })?;
+                    rx.await??;
+                    Ok(AnyAgentResult::SendUserMessageResponse(
+                        acp::SendUserMessageResponse,
+                    ))
+                }
+                AnyAgentRequest::CancelSendMessageParams(_) => Ok(
+                    AnyAgentResult::CancelSendMessageResponse(acp::CancelSendMessageResponse),
+                ),
+            }
+        }
+        .boxed_local()
+    }
+}
+
+struct ClaudeAgentConnection {
+    outgoing_tx: UnboundedSender<SdkMessage>,
+    end_turn_tx: Rc<RefCell<Option<oneshot::Sender<Result<()>>>>>,
+    _mcp_server: Option<ClaudeMcpServer>,
+    _handler_task: Task<()>,
+}
+
+impl ClaudeAgentConnection {
+    async fn handle_message(
+        delegate: AcpClientDelegate,
+        message: SdkMessage,
+        end_turn_tx: Rc<RefCell<Option<oneshot::Sender<Result<()>>>>>,
+        tool_id_map: Rc<RefCell<HashMap<String, acp::ToolCallId>>>,
+    ) {
+        match message {
+            SdkMessage::Assistant { message, .. } | SdkMessage::User { message, .. } => {
+                for chunk in message.content.chunks() {
+                    match chunk {
+                        ContentChunk::Text { text } | ContentChunk::UntaggedText(text) => {
+                            delegate
+                                .stream_assistant_message_chunk(StreamAssistantMessageChunkParams {
+                                    chunk: acp::AssistantMessageChunk::Text { text },
+                                })
+                                .await
+                                .log_err();
+                        }
+                        ContentChunk::ToolUse { id, name, input } => {
+                            if let Some(resp) = delegate
+                                .push_tool_call(ClaudeTool::infer(&name, input).as_acp())
+                                .await
+                                .log_err()
+                            {
+                                tool_id_map.borrow_mut().insert(id, resp.id);
+                            }
+                        }
+                        ContentChunk::ToolResult {
+                            content,
+                            tool_use_id,
+                        } => {
+                            let id = tool_id_map.borrow_mut().remove(&tool_use_id);
+                            if let Some(id) = id {
+                                delegate
+                                    .update_tool_call(UpdateToolCallParams {
+                                        tool_call_id: id,
+                                        status: acp::ToolCallStatus::Finished,
+                                        content: Some(ToolCallContent::Markdown {
+                                            // For now we only include text content
+                                            markdown: content.to_string(),
+                                        }),
+                                    })
+                                    .await
+                                    .log_err();
+                            }
+                        }
+                        ContentChunk::Image
+                        | ContentChunk::Document
+                        | ContentChunk::Thinking
+                        | ContentChunk::RedactedThinking
+                        | ContentChunk::WebSearchToolResult => {
+                            delegate
+                                .stream_assistant_message_chunk(StreamAssistantMessageChunkParams {
+                                    chunk: acp::AssistantMessageChunk::Text {
+                                        text: format!("Unsupported content: {:?}", chunk),
+                                    },
+                                })
+                                .await
+                                .log_err();
+                        }
+                    }
+                }
+            }
+            SdkMessage::Result {
+                is_error, subtype, ..
+            } => {
+                if let Some(end_turn_tx) = end_turn_tx.borrow_mut().take() {
+                    if is_error {
+                        end_turn_tx.send(Err(anyhow!("Error: {subtype}"))).ok();
+                    } else {
+                        end_turn_tx.send(Ok(())).ok();
+                    }
+                }
+            }
+            SdkMessage::System { .. } => {}
+        }
+    }
+
+    async fn handle_io(
+        mut outgoing_rx: UnboundedReceiver<SdkMessage>,
+        incoming_tx: UnboundedSender<SdkMessage>,
+        mut outgoing_bytes: impl Unpin + AsyncWrite,
+        incoming_bytes: impl Unpin + AsyncRead,
+    ) -> Result<()> {
+        let mut output_reader = BufReader::new(incoming_bytes);
+        let mut outgoing_line = Vec::new();
+        let mut incoming_line = String::new();
+        loop {
+            select_biased! {
+                message = outgoing_rx.next() => {
+                    if let Some(message) = message {
+                        outgoing_line.clear();
+                        serde_json::to_writer(&mut outgoing_line, &message)?;
+                        log::trace!("send: {}", String::from_utf8_lossy(&outgoing_line));
+                        outgoing_line.push(b'\n');
+                        outgoing_bytes.write_all(&outgoing_line).await.ok();
+                    } else {
+                        break;
+                    }
+                }
+                bytes_read = output_reader.read_line(&mut incoming_line).fuse() => {
+                    if bytes_read? == 0 {
+                        break
+                    }
+                    log::trace!("recv: {}", &incoming_line);
+                    match serde_json::from_str::<SdkMessage>(&incoming_line) {
+                        Ok(message) => {
+                            incoming_tx.unbounded_send(message).log_err();
+                        }
+                        Err(error) => {
+                            log::error!("failed to parse incoming message: {error}. Raw: {incoming_line}");
+                        }
+                    }
+                    incoming_line.clear();
+                }
+            }
+        }
+        Ok(())
+    }
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+struct Message {
+    role: Role,
+    content: Content,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    id: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    model: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    stop_reason: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    stop_sequence: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    usage: Option<Usage>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(untagged)]
+enum Content {
+    UntaggedText(String),
+    Chunks(Vec<ContentChunk>),
+}
+
+impl Content {
+    pub fn chunks(self) -> impl Iterator<Item = ContentChunk> {
+        match self {
+            Self::Chunks(chunks) => chunks.into_iter(),
+            Self::UntaggedText(text) => vec![ContentChunk::Text { text: text.clone() }].into_iter(),
+        }
+    }
+}
+
+impl Display for Content {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Content::UntaggedText(txt) => write!(f, "{}", txt),
+            Content::Chunks(chunks) => {
+                for chunk in chunks {
+                    write!(f, "{}", chunk)?;
+                }
+                Ok(())
+            }
+        }
+    }
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(tag = "type", rename_all = "snake_case")]
+enum ContentChunk {
+    Text {
+        text: String,
+    },
+    ToolUse {
+        id: String,
+        name: String,
+        input: serde_json::Value,
+    },
+    ToolResult {
+        content: Content,
+        tool_use_id: String,
+    },
+    // TODO
+    Image,
+    Document,
+    Thinking,
+    RedactedThinking,
+    WebSearchToolResult,
+    #[serde(untagged)]
+    UntaggedText(String),
+}
+
+impl Display for ContentChunk {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            ContentChunk::Text { text } => write!(f, "{}", text),
+            ContentChunk::UntaggedText(text) => write!(f, "{}", text),
+            ContentChunk::ToolResult { content, .. } => write!(f, "{}", content),
+            ContentChunk::Image
+            | ContentChunk::Document
+            | ContentChunk::Thinking
+            | ContentChunk::RedactedThinking
+            | ContentChunk::ToolUse { .. }
+            | ContentChunk::WebSearchToolResult => {
+                write!(f, "\n{:?}\n", &self)
+            }
+        }
+    }
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+struct Usage {
+    input_tokens: u32,
+    cache_creation_input_tokens: u32,
+    cache_read_input_tokens: u32,
+    output_tokens: u32,
+    service_tier: String,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+enum Role {
+    System,
+    Assistant,
+    User,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+struct MessageParam {
+    role: Role,
+    content: String,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(tag = "type", rename_all = "snake_case")]
+enum SdkMessage {
+    // An assistant message
+    Assistant {
+        message: Message, // from Anthropic SDK
+        #[serde(skip_serializing_if = "Option::is_none")]
+        session_id: Option<String>,
+    },
+
+    // A user message
+    User {
+        message: Message, // from Anthropic SDK
+        #[serde(skip_serializing_if = "Option::is_none")]
+        session_id: Option<String>,
+    },
+
+    // Emitted as the last message in a conversation
+    Result {
+        subtype: ResultErrorType,
+        duration_ms: f64,
+        duration_api_ms: f64,
+        is_error: bool,
+        num_turns: i32,
+        #[serde(skip_serializing_if = "Option::is_none")]
+        result: Option<String>,
+        session_id: String,
+        total_cost_usd: f64,
+    },
+    // Emitted as the first message at the start of a conversation
+    System {
+        cwd: String,
+        session_id: String,
+        tools: Vec<String>,
+        model: String,
+        mcp_servers: Vec<McpServer>,
+        #[serde(rename = "apiKeySource")]
+        api_key_source: String,
+        #[serde(rename = "permissionMode")]
+        permission_mode: PermissionMode,
+    },
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+enum ResultErrorType {
+    Success,
+    ErrorMaxTurns,
+    ErrorDuringExecution,
+}
+
+impl Display for ResultErrorType {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            ResultErrorType::Success => write!(f, "success"),
+            ResultErrorType::ErrorMaxTurns => write!(f, "error_max_turns"),
+            ResultErrorType::ErrorDuringExecution => write!(f, "error_during_execution"),
+        }
+    }
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+struct McpServer {
+    name: String,
+    status: String,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+enum PermissionMode {
+    Default,
+    AcceptEdits,
+    BypassPermissions,
+    Plan,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+struct McpConfig {
+    mcp_servers: HashMap<String, McpServerConfig>,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+struct McpServerConfig {
+    command: String,
+    args: Vec<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    env: Option<HashMap<String, String>>,
+}
+
+#[cfg(test)]
+pub(crate) mod tests {
+    use super::*;
+    use serde_json::json;
+
+    // crate::common_e2e_tests!(ClaudeCode);
+
+    pub fn local_command() -> AgentServerCommand {
+        AgentServerCommand {
+            path: "claude".into(),
+            args: vec![],
+            env: None,
+        }
+    }
+
+    #[test]
+    fn test_deserialize_content_untagged_text() {
+        let json = json!("Hello, world!");
+        let content: Content = serde_json::from_value(json).unwrap();
+        match content {
+            Content::UntaggedText(text) => assert_eq!(text, "Hello, world!"),
+            _ => panic!("Expected UntaggedText variant"),
+        }
+    }
+
+    #[test]
+    fn test_deserialize_content_chunks() {
+        let json = json!([
+            {
+                "type": "text",
+                "text": "Hello"
+            },
+            {
+                "type": "tool_use",
+                "id": "tool_123",
+                "name": "calculator",
+                "input": {"operation": "add", "a": 1, "b": 2}
+            }
+        ]);
+        let content: Content = serde_json::from_value(json).unwrap();
+        match content {
+            Content::Chunks(chunks) => {
+                assert_eq!(chunks.len(), 2);
+                match &chunks[0] {
+                    ContentChunk::Text { text } => assert_eq!(text, "Hello"),
+                    _ => panic!("Expected Text chunk"),
+                }
+                match &chunks[1] {
+                    ContentChunk::ToolUse { id, name, input } => {
+                        assert_eq!(id, "tool_123");
+                        assert_eq!(name, "calculator");
+                        assert_eq!(input["operation"], "add");
+                        assert_eq!(input["a"], 1);
+                        assert_eq!(input["b"], 2);
+                    }
+                    _ => panic!("Expected ToolUse chunk"),
+                }
+            }
+            _ => panic!("Expected Chunks variant"),
+        }
+    }
+
+    #[test]
+    fn test_deserialize_tool_result_untagged_text() {
+        let json = json!({
+            "type": "tool_result",
+            "content": "Result content",
+            "tool_use_id": "tool_456"
+        });
+        let chunk: ContentChunk = serde_json::from_value(json).unwrap();
+        match chunk {
+            ContentChunk::ToolResult {
+                content,
+                tool_use_id,
+            } => {
+                match content {
+                    Content::UntaggedText(text) => assert_eq!(text, "Result content"),
+                    _ => panic!("Expected UntaggedText content"),
+                }
+                assert_eq!(tool_use_id, "tool_456");
+            }
+            _ => panic!("Expected ToolResult variant"),
+        }
+    }
+
+    #[test]
+    fn test_deserialize_tool_result_chunks() {
+        let json = json!({
+            "type": "tool_result",
+            "content": [
+                {
+                    "type": "text",
+                    "text": "Processing complete"
+                },
+                {
+                    "type": "text",
+                    "text": "Result: 42"
+                }
+            ],
+            "tool_use_id": "tool_789"
+        });
+        let chunk: ContentChunk = serde_json::from_value(json).unwrap();
+        match chunk {
+            ContentChunk::ToolResult {
+                content,
+                tool_use_id,
+            } => {
+                match content {
+                    Content::Chunks(chunks) => {
+                        assert_eq!(chunks.len(), 2);
+                        match &chunks[0] {
+                            ContentChunk::Text { text } => assert_eq!(text, "Processing complete"),
+                            _ => panic!("Expected Text chunk"),
+                        }
+                        match &chunks[1] {
+                            ContentChunk::Text { text } => assert_eq!(text, "Result: 42"),
+                            _ => panic!("Expected Text chunk"),
+                        }
+                    }
+                    _ => panic!("Expected Chunks content"),
+                }
+                assert_eq!(tool_use_id, "tool_789");
+            }
+            _ => panic!("Expected ToolResult variant"),
+        }
+    }
+}
--- a/crates/agent_servers/src/claude/mcp_server.rs
+++ b/crates/agent_servers/src/claude/mcp_server.rs
@@ -0,0 +1,303 @@
+use std::{cell::RefCell, rc::Rc};
+
+use acp_thread::AcpClientDelegate;
+use agentic_coding_protocol::{self as acp, Client, ReadTextFileParams, WriteTextFileParams};
+use anyhow::{Context, Result};
+use collections::HashMap;
+use context_server::{
+    listener::McpServer,
+    types::{
+        CallToolParams, CallToolResponse, Implementation, InitializeParams, InitializeResponse,
+        ListToolsResponse, ProtocolVersion, ServerCapabilities, Tool, ToolAnnotations,
+        ToolResponseContent, ToolsCapabilities, requests,
+    },
+};
+use gpui::{App, AsyncApp, Task};
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use util::debug_panic;
+
+use crate::claude::{
+    McpServerConfig,
+    tools::{ClaudeTool, EditToolParams, EditToolResponse, ReadToolParams, ReadToolResponse},
+};
+
+pub struct ClaudeMcpServer {
+    server: McpServer,
+}
+
+pub const SERVER_NAME: &str = "zed";
+pub const READ_TOOL: &str = "Read";
+pub const EDIT_TOOL: &str = "Edit";
+pub const PERMISSION_TOOL: &str = "Confirmation";
+
+#[derive(Deserialize, JsonSchema, Debug)]
+struct PermissionToolParams {
+    tool_name: String,
+    input: serde_json::Value,
+    tool_use_id: Option<String>,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+struct PermissionToolResponse {
+    behavior: PermissionToolBehavior,
+    updated_input: serde_json::Value,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "snake_case")]
+enum PermissionToolBehavior {
+    Allow,
+    Deny,
+}
+
+impl ClaudeMcpServer {
+    pub async fn new(
+        delegate: watch::Receiver<Option<AcpClientDelegate>>,
+        tool_id_map: Rc<RefCell<HashMap<String, acp::ToolCallId>>>,
+        cx: &AsyncApp,
+    ) -> Result<Self> {
+        let mut mcp_server = McpServer::new(cx).await?;
+        mcp_server.handle_request::<requests::Initialize>(Self::handle_initialize);
+        mcp_server.handle_request::<requests::ListTools>(Self::handle_list_tools);
+        mcp_server.handle_request::<requests::CallTool>(move |request, cx| {
+            Self::handle_call_tool(request, delegate.clone(), tool_id_map.clone(), cx)
+        });
+
+        Ok(Self { server: mcp_server })
+    }
+
+    pub fn server_config(&self) -> Result<McpServerConfig> {
+        #[cfg(not(target_os = "windows"))]
+        let zed_path = util::get_shell_safe_zed_path()?;
+        #[cfg(target_os = "windows")]
+        let zed_path = std::env::current_exe()
+            .context("finding current executable path for use in mcp_server")?
+            .to_string_lossy()
+            .to_string();
+
+        Ok(McpServerConfig {
+            command: zed_path,
+            args: vec![
+                "--nc".into(),
+                self.server.socket_path().display().to_string(),
+            ],
+            env: None,
+        })
+    }
+
+    fn handle_initialize(_: InitializeParams, cx: &App) -> Task<Result<InitializeResponse>> {
+        cx.foreground_executor().spawn(async move {
+            Ok(InitializeResponse {
+                protocol_version: ProtocolVersion("2025-06-18".into()),
+                capabilities: ServerCapabilities {
+                    experimental: None,
+                    logging: None,
+                    completions: None,
+                    prompts: None,
+                    resources: None,
+                    tools: Some(ToolsCapabilities {
+                        list_changed: Some(false),
+                    }),
+                },
+                server_info: Implementation {
+                    name: SERVER_NAME.into(),
+                    version: "0.1.0".into(),
+                },
+                meta: None,
+            })
+        })
+    }
+
+    fn handle_list_tools(_: (), cx: &App) -> Task<Result<ListToolsResponse>> {
+        cx.foreground_executor().spawn(async move {
+            Ok(ListToolsResponse {
+                tools: vec![
+                    Tool {
+                        name: PERMISSION_TOOL.into(),
+                        input_schema: schemars::schema_for!(PermissionToolParams).into(),
+                        description: None,
+                        annotations: None,
+                    },
+                    Tool {
+                        name: READ_TOOL.into(),
+                        input_schema: schemars::schema_for!(ReadToolParams).into(),
+                        description: Some("Read the contents of a file. In sessions with mcp__zed__Read always use it instead of Read as it contains the most up-to-date contents.".to_string()),
+                        annotations: Some(ToolAnnotations {
+                            title: Some("Read file".to_string()),
+                            read_only_hint: Some(true),
+                            destructive_hint: Some(false),
+                            open_world_hint: Some(false),
+                            // if time passes the contents might change, but it's not going to do anything different
+                            // true or false seem too strong, let's try a none.
+                            idempotent_hint: None,
+                        }),
+                    },
+                    Tool {
+                        name: EDIT_TOOL.into(),
+                        input_schema: schemars::schema_for!(EditToolParams).into(),
+                        description: Some("Edits a file. In sessions with mcp__zed__Edit always use it instead of Edit as it will show the diff to the user better.".to_string()),
+                        annotations: Some(ToolAnnotations {
+                            title: Some("Edit file".to_string()),
+                            read_only_hint: Some(false),
+                            destructive_hint: Some(false),
+                            open_world_hint: Some(false),
+                            idempotent_hint: Some(false),
+                        }),
+                    },
+                ],
+                next_cursor: None,
+                meta: None,
+            })
+        })
+    }
+
+    fn handle_call_tool(
+        request: CallToolParams,
+        mut delegate_watch: watch::Receiver<Option<AcpClientDelegate>>,
+        tool_id_map: Rc<RefCell<HashMap<String, acp::ToolCallId>>>,
+        cx: &App,
+    ) -> Task<Result<CallToolResponse>> {
+        cx.spawn(async move |cx| {
+            let Some(delegate) = delegate_watch.recv().await? else {
+                debug_panic!("Sent None delegate");
+                anyhow::bail!("Server not available");
+            };
+
+            if request.name.as_str() == PERMISSION_TOOL {
+                let input =
+                    serde_json::from_value(request.arguments.context("Arguments required")?)?;
+
+                let result =
+                    Self::handle_permissions_tool_call(input, delegate, tool_id_map, cx).await?;
+                Ok(CallToolResponse {
+                    content: vec![ToolResponseContent::Text {
+                        text: serde_json::to_string(&result)?,
+                    }],
+                    is_error: None,
+                    meta: None,
+                })
+            } else if request.name.as_str() == READ_TOOL {
+                let input =
+                    serde_json::from_value(request.arguments.context("Arguments required")?)?;
+
+                let result = Self::handle_read_tool_call(input, delegate, cx).await?;
+                Ok(CallToolResponse {
+                    content: vec![ToolResponseContent::Text {
+                        text: serde_json::to_string(&result)?,
+                    }],
+                    is_error: None,
+                    meta: None,
+                })
+            } else if request.name.as_str() == EDIT_TOOL {
+                let input =
+                    serde_json::from_value(request.arguments.context("Arguments required")?)?;
+
+                let result = Self::handle_edit_tool_call(input, delegate, cx).await?;
+                Ok(CallToolResponse {
+                    content: vec![ToolResponseContent::Text {
+                        text: serde_json::to_string(&result)?,
+                    }],
+                    is_error: None,
+                    meta: None,
+                })
+            } else {
+                anyhow::bail!("Unsupported tool");
+            }
+        })
+    }
+
+    fn handle_read_tool_call(
+        params: ReadToolParams,
+        delegate: AcpClientDelegate,
+        cx: &AsyncApp,
+    ) -> Task<Result<ReadToolResponse>> {
+        cx.foreground_executor().spawn(async move {
+            let response = delegate
+                .read_text_file(ReadTextFileParams {
+                    path: params.abs_path,
+                    line: params.offset,
+                    limit: params.limit,
+                })
+                .await?;
+
+            Ok(ReadToolResponse {
+                content: response.content,
+            })
+        })
+    }
+
+    fn handle_edit_tool_call(
+        params: EditToolParams,
+        delegate: AcpClientDelegate,
+        cx: &AsyncApp,
+    ) -> Task<Result<EditToolResponse>> {
+        cx.foreground_executor().spawn(async move {
+            let response = delegate
+                .read_text_file_reusing_snapshot(ReadTextFileParams {
+                    path: params.abs_path.clone(),
+                    line: None,
+                    limit: None,
+                })
+                .await?;
+
+            let new_content = response.content.replace(&params.old_text, &params.new_text);
+            if new_content == response.content {
+                return Err(anyhow::anyhow!("The old_text was not found in the content"));
+            }
+
+            delegate
+                .write_text_file(WriteTextFileParams {
+                    path: params.abs_path,
+                    content: new_content,
+                })
+                .await?;
+
+            Ok(EditToolResponse)
+        })
+    }
+
+    fn handle_permissions_tool_call(
+        params: PermissionToolParams,
+        delegate: AcpClientDelegate,
+        tool_id_map: Rc<RefCell<HashMap<String, acp::ToolCallId>>>,
+        cx: &AsyncApp,
+    ) -> Task<Result<PermissionToolResponse>> {
+        cx.foreground_executor().spawn(async move {
+            let claude_tool = ClaudeTool::infer(&params.tool_name, params.input.clone());
+
+            let tool_call_id = match params.tool_use_id {
+                Some(tool_use_id) => tool_id_map
+                    .borrow()
+                    .get(&tool_use_id)
+                    .cloned()
+                    .context("Tool call ID not found")?,
+
+                None => delegate.push_tool_call(claude_tool.as_acp()).await?.id,
+            };
+
+            let outcome = delegate
+                .request_existing_tool_call_confirmation(
+                    tool_call_id,
+                    claude_tool.confirmation(None),
+                )
+                .await?;
+
+            match outcome {
+                acp::ToolCallConfirmationOutcome::Allow
+                | acp::ToolCallConfirmationOutcome::AlwaysAllow
+                | acp::ToolCallConfirmationOutcome::AlwaysAllowMcpServer
+                | acp::ToolCallConfirmationOutcome::AlwaysAllowTool => Ok(PermissionToolResponse {
+                    behavior: PermissionToolBehavior::Allow,
+                    updated_input: params.input,
+                }),
+                acp::ToolCallConfirmationOutcome::Reject
+                | acp::ToolCallConfirmationOutcome::Cancel => Ok(PermissionToolResponse {
+                    behavior: PermissionToolBehavior::Deny,
+                    updated_input: params.input,
+                }),
+            }
+        })
+    }
+}
--- a/crates/agent_servers/src/claude/tools.rs
+++ b/crates/agent_servers/src/claude/tools.rs
@@ -0,0 +1,670 @@
+use std::path::PathBuf;
+
+use agentic_coding_protocol::{self as acp, PushToolCallParams, ToolCallLocation};
+use itertools::Itertools;
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use util::ResultExt;
+
+pub enum ClaudeTool {
+    Task(Option<TaskToolParams>),
+    NotebookRead(Option<NotebookReadToolParams>),
+    NotebookEdit(Option<NotebookEditToolParams>),
+    Edit(Option<EditToolParams>),
+    MultiEdit(Option<MultiEditToolParams>),
+    ReadFile(Option<ReadToolParams>),
+    Write(Option<WriteToolParams>),
+    Ls(Option<LsToolParams>),
+    Glob(Option<GlobToolParams>),
+    Grep(Option<GrepToolParams>),
+    Terminal(Option<BashToolParams>),
+    WebFetch(Option<WebFetchToolParams>),
+    WebSearch(Option<WebSearchToolParams>),
+    TodoWrite(Option<TodoWriteToolParams>),
+    ExitPlanMode(Option<ExitPlanModeToolParams>),
+    Other {
+        name: String,
+        input: serde_json::Value,
+    },
+}
+
+impl ClaudeTool {
+    pub fn infer(tool_name: &str, input: serde_json::Value) -> Self {
+        match tool_name {
+            // Known tools
+            "mcp__zed__Read" => Self::ReadFile(serde_json::from_value(input).log_err()),
+            "mcp__zed__Edit" => Self::Edit(serde_json::from_value(input).log_err()),
+            "MultiEdit" => Self::MultiEdit(serde_json::from_value(input).log_err()),
+            "Write" => Self::Write(serde_json::from_value(input).log_err()),
+            "LS" => Self::Ls(serde_json::from_value(input).log_err()),
+            "Glob" => Self::Glob(serde_json::from_value(input).log_err()),
+            "Grep" => Self::Grep(serde_json::from_value(input).log_err()),
+            "Bash" => Self::Terminal(serde_json::from_value(input).log_err()),
+            "WebFetch" => Self::WebFetch(serde_json::from_value(input).log_err()),
+            "WebSearch" => Self::WebSearch(serde_json::from_value(input).log_err()),
+            "TodoWrite" => Self::TodoWrite(serde_json::from_value(input).log_err()),
+            "exit_plan_mode" => Self::ExitPlanMode(serde_json::from_value(input).log_err()),
+            "Task" => Self::Task(serde_json::from_value(input).log_err()),
+            "NotebookRead" => Self::NotebookRead(serde_json::from_value(input).log_err()),
+            "NotebookEdit" => Self::NotebookEdit(serde_json::from_value(input).log_err()),
+            // Inferred from name
+            _ => {
+                let tool_name = tool_name.to_lowercase();
+
+                if tool_name.contains("edit") || tool_name.contains("write") {
+                    Self::Edit(None)
+                } else if tool_name.contains("terminal") {
+                    Self::Terminal(None)
+                } else {
+                    Self::Other {
+                        name: tool_name.to_string(),
+                        input,
+                    }
+                }
+            }
+        }
+    }
+
+    pub fn label(&self) -> String {
+        match &self {
+            Self::Task(Some(params)) => params.description.clone(),
+            Self::Task(None) => "Task".into(),
+            Self::NotebookRead(Some(params)) => {
+                format!("Read Notebook {}", params.notebook_path.display())
+            }
+            Self::NotebookRead(None) => "Read Notebook".into(),
+            Self::NotebookEdit(Some(params)) => {
+                format!("Edit Notebook {}", params.notebook_path.display())
+            }
+            Self::NotebookEdit(None) => "Edit Notebook".into(),
+            Self::Terminal(Some(params)) => format!("`{}`", params.command),
+            Self::Terminal(None) => "Terminal".into(),
+            Self::ReadFile(_) => "Read File".into(),
+            Self::Ls(Some(params)) => {
+                format!("List Directory {}", params.path.display())
+            }
+            Self::Ls(None) => "List Directory".into(),
+            Self::Edit(Some(params)) => {
+                format!("Edit {}", params.abs_path.display())
+            }
+            Self::Edit(None) => "Edit".into(),
+            Self::MultiEdit(Some(params)) => {
+                format!("Multi Edit {}", params.file_path.display())
+            }
+            Self::MultiEdit(None) => "Multi Edit".into(),
+            Self::Write(Some(params)) => {
+                format!("Write {}", params.file_path.display())
+            }
+            Self::Write(None) => "Write".into(),
+            Self::Glob(Some(params)) => {
+                format!("Glob `{params}`")
+            }
+            Self::Glob(None) => "Glob".into(),
+            Self::Grep(Some(params)) => format!("`{params}`"),
+            Self::Grep(None) => "Grep".into(),
+            Self::WebFetch(Some(params)) => format!("Fetch {}", params.url),
+            Self::WebFetch(None) => "Fetch".into(),
+            Self::WebSearch(Some(params)) => format!("Web Search: {}", params),
+            Self::WebSearch(None) => "Web Search".into(),
+            Self::TodoWrite(Some(params)) => format!(
+                "Update TODOs: {}",
+                params.todos.iter().map(|todo| &todo.content).join(", ")
+            ),
+            Self::TodoWrite(None) => "Update TODOs".into(),
+            Self::ExitPlanMode(_) => "Exit Plan Mode".into(),
+            Self::Other { name, .. } => name.clone(),
+        }
+    }
+
+    pub fn content(&self) -> Option<acp::ToolCallContent> {
+        match &self {
+            ClaudeTool::Other { input, .. } => Some(acp::ToolCallContent::Markdown {
+                markdown: format!(
+                    "```json\n{}```",
+                    serde_json::to_string_pretty(&input).unwrap_or("{}".to_string())
+                ),
+            }),
+            _ => None,
+        }
+    }
+
+    pub fn icon(&self) -> acp::Icon {
+        match self {
+            Self::Task(_) => acp::Icon::Hammer,
+            Self::NotebookRead(_) => acp::Icon::FileSearch,
+            Self::NotebookEdit(_) => acp::Icon::Pencil,
+            Self::Edit(_) => acp::Icon::Pencil,
+            Self::MultiEdit(_) => acp::Icon::Pencil,
+            Self::Write(_) => acp::Icon::Pencil,
+            Self::ReadFile(_) => acp::Icon::FileSearch,
+            Self::Ls(_) => acp::Icon::Folder,
+            Self::Glob(_) => acp::Icon::FileSearch,
+            Self::Grep(_) => acp::Icon::Regex,
+            Self::Terminal(_) => acp::Icon::Terminal,
+            Self::WebSearch(_) => acp::Icon::Globe,
+            Self::WebFetch(_) => acp::Icon::Globe,
+            Self::TodoWrite(_) => acp::Icon::LightBulb,
+            Self::ExitPlanMode(_) => acp::Icon::Hammer,
+            Self::Other { .. } => acp::Icon::Hammer,
+        }
+    }
+
+    pub fn confirmation(&self, description: Option<String>) -> acp::ToolCallConfirmation {
+        match &self {
+            Self::Edit(_) | Self::Write(_) | Self::NotebookEdit(_) | Self::MultiEdit(_) => {
+                acp::ToolCallConfirmation::Edit { description }
+            }
+            Self::WebFetch(params) => acp::ToolCallConfirmation::Fetch {
+                urls: params
+                    .as_ref()
+                    .map(|p| vec![p.url.clone()])
+                    .unwrap_or_default(),
+                description,
+            },
+            Self::Terminal(Some(BashToolParams {
+                description,
+                command,
+                ..
+            })) => acp::ToolCallConfirmation::Execute {
+                command: command.clone(),
+                root_command: command.clone(),
+                description: description.clone(),
+            },
+            Self::ExitPlanMode(Some(params)) => acp::ToolCallConfirmation::Other {
+                description: if let Some(description) = description {
+                    format!("{description} {}", params.plan)
+                } else {
+                    params.plan.clone()
+                },
+            },
+            Self::Task(Some(params)) => acp::ToolCallConfirmation::Other {
+                description: if let Some(description) = description {
+                    format!("{description} {}", params.description)
+                } else {
+                    params.description.clone()
+                },
+            },
+            Self::Ls(Some(LsToolParams { path, .. }))
+            | Self::ReadFile(Some(ReadToolParams { abs_path: path, .. })) => {
+                let path = path.display();
+                acp::ToolCallConfirmation::Other {
+                    description: if let Some(description) = description {
+                        format!("{description} {path}")
+                    } else {
+                        path.to_string()
+                    },
+                }
+            }
+            Self::NotebookRead(Some(NotebookReadToolParams { notebook_path, .. })) => {
+                let path = notebook_path.display();
+                acp::ToolCallConfirmation::Other {
+                    description: if let Some(description) = description {
+                        format!("{description} {path}")
+                    } else {
+                        path.to_string()
+                    },
+                }
+            }
+            Self::Glob(Some(params)) => acp::ToolCallConfirmation::Other {
+                description: if let Some(description) = description {
+                    format!("{description} {params}")
+                } else {
+                    params.to_string()
+                },
+            },
+            Self::Grep(Some(params)) => acp::ToolCallConfirmation::Other {
+                description: if let Some(description) = description {
+                    format!("{description} {params}")
+                } else {
+                    params.to_string()
+                },
+            },
+            Self::WebSearch(Some(params)) => acp::ToolCallConfirmation::Other {
+                description: if let Some(description) = description {
+                    format!("{description} {params}")
+                } else {
+                    params.to_string()
+                },
+            },
+            Self::TodoWrite(Some(params)) => {
+                let params = params.todos.iter().map(|todo| &todo.content).join(", ");
+                acp::ToolCallConfirmation::Other {
+                    description: if let Some(description) = description {
+                        format!("{description} {params}")
+                    } else {
+                        params
+                    },
+                }
+            }
+            Self::Terminal(None)
+            | Self::Task(None)
+            | Self::NotebookRead(None)
+            | Self::ExitPlanMode(None)
+            | Self::Ls(None)
+            | Self::Glob(None)
+            | Self::Grep(None)
+            | Self::ReadFile(None)
+            | Self::WebSearch(None)
+            | Self::TodoWrite(None)
+            | Self::Other { .. } => acp::ToolCallConfirmation::Other {
+                description: description.unwrap_or("".to_string()),
+            },
+        }
+    }
+
+    pub fn locations(&self) -> Vec<acp::ToolCallLocation> {
+        match &self {
+            Self::Edit(Some(EditToolParams { abs_path, .. })) => vec![ToolCallLocation {
+                path: abs_path.clone(),
+                line: None,
+            }],
+            Self::MultiEdit(Some(MultiEditToolParams { file_path, .. })) => {
+                vec![ToolCallLocation {
+                    path: file_path.clone(),
+                    line: None,
+                }]
+            }
+            Self::Write(Some(WriteToolParams { file_path, .. })) => vec![ToolCallLocation {
+                path: file_path.clone(),
+                line: None,
+            }],
+            Self::ReadFile(Some(ReadToolParams {
+                abs_path, offset, ..
+            })) => vec![ToolCallLocation {
+                path: abs_path.clone(),
+                line: *offset,
+            }],
+            Self::NotebookRead(Some(NotebookReadToolParams { notebook_path, .. })) => {
+                vec![ToolCallLocation {
+                    path: notebook_path.clone(),
+                    line: None,
+                }]
+            }
+            Self::NotebookEdit(Some(NotebookEditToolParams { notebook_path, .. })) => {
+                vec![ToolCallLocation {
+                    path: notebook_path.clone(),
+                    line: None,
+                }]
+            }
+            Self::Glob(Some(GlobToolParams {
+                path: Some(path), ..
+            })) => vec![ToolCallLocation {
+                path: path.clone(),
+                line: None,
+            }],
+            Self::Ls(Some(LsToolParams { path, .. })) => vec![ToolCallLocation {
+                path: path.clone(),
+                line: None,
+            }],
+            Self::Grep(Some(GrepToolParams {
+                path: Some(path), ..
+            })) => vec![ToolCallLocation {
+                path: PathBuf::from(path),
+                line: None,
+            }],
+            Self::Task(_)
+            | Self::NotebookRead(None)
+            | Self::NotebookEdit(None)
+            | Self::Edit(None)
+            | Self::MultiEdit(None)
+            | Self::Write(None)
+            | Self::ReadFile(None)
+            | Self::Ls(None)
+            | Self::Glob(_)
+            | Self::Grep(_)
+            | Self::Terminal(_)
+            | Self::WebFetch(_)
+            | Self::WebSearch(_)
+            | Self::TodoWrite(_)
+            | Self::ExitPlanMode(_)
+            | Self::Other { .. } => vec![],
+        }
+    }
+
+    pub fn as_acp(&self) -> PushToolCallParams {
+        PushToolCallParams {
+            label: self.label(),
+            content: self.content(),
+            icon: self.icon(),
+            locations: self.locations(),
+        }
+    }
+}
+
+#[derive(Deserialize, JsonSchema, Debug)]
+pub struct EditToolParams {
+    /// The absolute path to the file to read.
+    pub abs_path: PathBuf,
+    /// The old text to replace (must be unique in the file)
+    pub old_text: String,
+    /// The new text.
+    pub new_text: String,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct EditToolResponse;
+
+#[derive(Deserialize, JsonSchema, Debug)]
+pub struct ReadToolParams {
+    /// The absolute path to the file to read.
+    pub abs_path: PathBuf,
+    /// Which line to start reading from. Omit to start from the beginning.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub offset: Option<u32>,
+    /// How many lines to read. Omit for the whole file.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub limit: Option<u32>,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct ReadToolResponse {
+    pub content: String,
+}
+
+#[derive(Deserialize, JsonSchema, Debug)]
+pub struct WriteToolParams {
+    /// Absolute path for new file
+    pub file_path: PathBuf,
+    /// File content
+    pub content: String,
+}
+
+#[derive(Deserialize, JsonSchema, Debug)]
+pub struct BashToolParams {
+    /// Shell command to execute
+    pub command: String,
+    /// 5-10 word description of what command does
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub description: Option<String>,
+    /// Timeout in ms (max 600000ms/10min, default 120000ms)
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub timeout: Option<u32>,
+}
+
+#[derive(Deserialize, JsonSchema, Debug)]
+pub struct GlobToolParams {
+    /// Glob pattern like **/*.js or src/**/*.ts
+    pub pattern: String,
+    /// Directory to search in (omit for current directory)
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub path: Option<PathBuf>,
+}
+
+impl std::fmt::Display for GlobToolParams {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        if let Some(path) = &self.path {
+            write!(f, "{}", path.display())?;
+        }
+        write!(f, "{}", self.pattern)
+    }
+}
+
+#[derive(Deserialize, JsonSchema, Debug)]
+pub struct LsToolParams {
+    /// Absolute path to directory
+    pub path: PathBuf,
+    /// Array of glob patterns to ignore
+    #[serde(default, skip_serializing_if = "Vec::is_empty")]
+    pub ignore: Vec<String>,
+}
+
+#[derive(Deserialize, JsonSchema, Debug)]
+pub struct GrepToolParams {
+    /// Regex pattern to search for
+    pub pattern: String,
+    /// File/directory to search (defaults to current directory)
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub path: Option<String>,
+    /// "content" (shows lines), "files_with_matches" (default), "count"
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub output_mode: Option<GrepOutputMode>,
+    /// Filter files with glob pattern like "*.js"
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub glob: Option<String>,
+    /// File type filter like "js", "py", "rust"
+    #[serde(rename = "type", skip_serializing_if = "Option::is_none")]
+    pub file_type: Option<String>,
+    /// Case insensitive search
+    #[serde(rename = "-i", default, skip_serializing_if = "is_false")]
+    pub case_insensitive: bool,
+    /// Show line numbers (content mode only)
+    #[serde(rename = "-n", default, skip_serializing_if = "is_false")]
+    pub line_numbers: bool,
+    /// Lines after match (content mode only)
+    #[serde(rename = "-A", skip_serializing_if = "Option::is_none")]
+    pub after_context: Option<u32>,
+    /// Lines before match (content mode only)
+    #[serde(rename = "-B", skip_serializing_if = "Option::is_none")]
+    pub before_context: Option<u32>,
+    /// Lines before and after match (content mode only)
+    #[serde(rename = "-C", skip_serializing_if = "Option::is_none")]
+    pub context: Option<u32>,
+    /// Enable multiline/cross-line matching
+    #[serde(default, skip_serializing_if = "is_false")]
+    pub multiline: bool,
+    /// Limit output to first N results
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub head_limit: Option<u32>,
+}
+
+impl std::fmt::Display for GrepToolParams {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "grep")?;
+
+        // Boolean flags
+        if self.case_insensitive {
+            write!(f, " -i")?;
+        }
+        if self.line_numbers {
+            write!(f, " -n")?;
+        }
+
+        // Context options
+        if let Some(after) = self.after_context {
+            write!(f, " -A {}", after)?;
+        }
+        if let Some(before) = self.before_context {
+            write!(f, " -B {}", before)?;
+        }
+        if let Some(context) = self.context {
+            write!(f, " -C {}", context)?;
+        }
+
+        // Output mode
+        if let Some(mode) = &self.output_mode {
+            match mode {
+                GrepOutputMode::FilesWithMatches => write!(f, " -l")?,
+                GrepOutputMode::Count => write!(f, " -c")?,
+                GrepOutputMode::Content => {} // Default mode
+            }
+        }
+
+        // Head limit
+        if let Some(limit) = self.head_limit {
+            write!(f, " | head -{}", limit)?;
+        }
+
+        // Glob pattern
+        if let Some(glob) = &self.glob {
+            write!(f, " --include=\"{}\"", glob)?;
+        }
+
+        // File type
+        if let Some(file_type) = &self.file_type {
+            write!(f, " --type={}", file_type)?;
+        }
+
+        // Multiline
+        if self.multiline {
+            write!(f, " -P")?; // Perl-compatible regex for multiline
+        }
+
+        // Pattern (escaped if contains special characters)
+        write!(f, " \"{}\"", self.pattern)?;
+
+        // Path
+        if let Some(path) = &self.path {
+            write!(f, " {}", path)?;
+        }
+
+        Ok(())
+    }
+}
+
+#[derive(Deserialize, Serialize, JsonSchema, Debug)]
+#[serde(rename_all = "snake_case")]
+pub enum TodoPriority {
+    High,
+    Medium,
+    Low,
+}
+
+#[derive(Deserialize, Serialize, JsonSchema, Debug)]
+#[serde(rename_all = "snake_case")]
+pub enum TodoStatus {
+    Pending,
+    InProgress,
+    Completed,
+}
+
+#[derive(Deserialize, Serialize, JsonSchema, Debug)]
+pub struct Todo {
+    /// Unique identifier
+    pub id: String,
+    /// Task description
+    pub content: String,
+    /// Priority level of the todo
+    pub priority: TodoPriority,
+    /// Current status of the todo
+    pub status: TodoStatus,
+}
+
+#[derive(Deserialize, JsonSchema, Debug)]
+pub struct TodoWriteToolParams {
+    pub todos: Vec<Todo>,
+}
+
+#[derive(Deserialize, JsonSchema, Debug)]
+pub struct ExitPlanModeToolParams {
+    /// Implementation plan in markdown format
+    pub plan: String,
+}
+
+#[derive(Deserialize, JsonSchema, Debug)]
+pub struct TaskToolParams {
+    /// Short 3-5 word description of task
+    pub description: String,
+    /// Detailed task for agent to perform
+    pub prompt: String,
+}
+
+#[derive(Deserialize, JsonSchema, Debug)]
+pub struct NotebookReadToolParams {
+    /// Absolute path to .ipynb file
+    pub notebook_path: PathBuf,
+    /// Specific cell ID to read
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub cell_id: Option<String>,
+}
+
+#[derive(Deserialize, Serialize, JsonSchema, Debug)]
+#[serde(rename_all = "snake_case")]
+pub enum CellType {
+    Code,
+    Markdown,
+}
+
+#[derive(Deserialize, Serialize, JsonSchema, Debug)]
+#[serde(rename_all = "snake_case")]
+pub enum EditMode {
+    Replace,
+    Insert,
+    Delete,
+}
+
+#[derive(Deserialize, JsonSchema, Debug)]
+pub struct NotebookEditToolParams {
+    /// Absolute path to .ipynb file
+    pub notebook_path: PathBuf,
+    /// New cell content
+    pub new_source: String,
+    /// Cell ID to edit
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub cell_id: Option<String>,
+    /// Type of cell (code or markdown)
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub cell_type: Option<CellType>,
+    /// Edit operation mode
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub edit_mode: Option<EditMode>,
+}
+
+#[derive(Deserialize, Serialize, JsonSchema, Debug)]
+pub struct MultiEditItem {
+    /// The text to search for and replace
+    pub old_string: String,
+    /// The replacement text
+    pub new_string: String,
+    /// Whether to replace all occurrences or just the first
+    #[serde(default, skip_serializing_if = "is_false")]
+    pub replace_all: bool,
+}
+
+#[derive(Deserialize, JsonSchema, Debug)]
+pub struct MultiEditToolParams {
+    /// Absolute path to file
+    pub file_path: PathBuf,
+    /// List of edits to apply
+    pub edits: Vec<MultiEditItem>,
+}
+
+fn is_false(v: &bool) -> bool {
+    !*v
+}
+
+#[derive(Deserialize, JsonSchema, Debug)]
+#[serde(rename_all = "snake_case")]
+pub enum GrepOutputMode {
+    Content,
+    FilesWithMatches,
+    Count,
+}
+
+#[derive(Deserialize, JsonSchema, Debug)]
+pub struct WebFetchToolParams {
+    /// Valid URL to fetch
+    #[serde(rename = "url")]
+    pub url: String,
+    /// What to extract from content
+    pub prompt: String,
+}
+
+#[derive(Deserialize, JsonSchema, Debug)]
+pub struct WebSearchToolParams {
+    /// Search query (min 2 chars)
+    pub query: String,
+    /// Only include these domains
+    #[serde(default, skip_serializing_if = "Vec::is_empty")]
+    pub allowed_domains: Vec<String>,
+    /// Exclude these domains
+    #[serde(default, skip_serializing_if = "Vec::is_empty")]
+    pub blocked_domains: Vec<String>,
+}
+
+impl std::fmt::Display for WebSearchToolParams {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "\"{}\"", self.query)?;
+
+        if !self.allowed_domains.is_empty() {
+            write!(f, " (allowed: {})", self.allowed_domains.join(", "))?;
+        }
+
+        if !self.blocked_domains.is_empty() {
+            write!(f, " (blocked: {})", self.blocked_domains.join(", "))?;
+        }
+
+        Ok(())
+    }
+}
--- a/crates/agent_servers/src/codex.rs
+++ b/crates/agent_servers/src/codex.rs
@@ -0,0 +1,121 @@
+use crate::stdio_agent_server::StdioAgentServer;
+use crate::{AgentServerCommand, AgentServerVersion};
+use anyhow::{Context as _, Result};
+use gpui::{AsyncApp, Entity};
+use project::Project;
+use settings::SettingsStore;
+
+use crate::AllAgentServersSettings;
+
+#[derive(Clone)]
+pub struct Codex;
+
+const ACP_ARG: &str = "experimental-acp";
+
+impl StdioAgentServer for Codex {
+    fn name(&self) -> &'static str {
+        "Codex"
+    }
+
+    fn empty_state_headline(&self) -> &'static str {
+        "Welcome to Codex"
+    }
+
+    fn empty_state_message(&self) -> &'static str {
+        ""
+    }
+
+    fn supports_always_allow(&self) -> bool {
+        true
+    }
+
+    fn logo(&self) -> ui::IconName {
+        ui::IconName::AiOpenAi
+    }
+
+    async fn command(
+        &self,
+        project: &Entity<Project>,
+        cx: &mut AsyncApp,
+    ) -> Result<AgentServerCommand> {
+        let settings = cx.read_global(|settings: &SettingsStore, _| {
+            settings.get::<AllAgentServersSettings>(None).codex.clone()
+        })?;
+
+        if let Some(command) =
+            AgentServerCommand::resolve("codex", &[ACP_ARG], settings, &project, cx).await
+        {
+            return Ok(command);
+        };
+
+        let (fs, node_runtime) = project.update(cx, |project, _| {
+            (project.fs().clone(), project.node_runtime().cloned())
+        })?;
+        let node_runtime = node_runtime.context("codex not found on path")?;
+
+        let directory = ::paths::agent_servers_dir().join("codex");
+        fs.create_dir(&directory).await?;
+        node_runtime
+            .npm_install_packages(&directory, &[("@openai/codex", "latest")])
+            .await?;
+        let path = directory.join("node_modules/.bin/codex");
+
+        Ok(AgentServerCommand {
+            path,
+            args: vec![ACP_ARG.into()],
+            env: None,
+        })
+    }
+
+    async fn version(&self, command: &AgentServerCommand) -> Result<AgentServerVersion> {
+        let version_fut = util::command::new_smol_command(&command.path)
+            .args(command.args.iter())
+            .arg("--version")
+            .kill_on_drop(true)
+            .output();
+
+        let help_fut = util::command::new_smol_command(&command.path)
+            .args(command.args.iter())
+            .arg("--help")
+            .kill_on_drop(true)
+            .output();
+
+        let (version_output, help_output) = futures::future::join(version_fut, help_fut).await;
+
+        let current_version = String::from_utf8(version_output?.stdout)?;
+        let supported = String::from_utf8(help_output?.stdout)?.contains(ACP_ARG);
+
+        if supported {
+            Ok(AgentServerVersion::Supported)
+        } else {
+            Ok(AgentServerVersion::Unsupported {
+                error_message: format!(
+                    "Your installed version of Codex {} doesn't support the Agentic Coding Protocol (ACP).",
+                    current_version
+                ).into(),
+                upgrade_message: "Upgrade Codex to Latest".into(),
+                upgrade_command: "npm install -g @openai/codex@latest".into(),
+            })
+        }
+    }
+}
+
+#[cfg(test)]
+pub(crate) mod tests {
+    use super::*;
+    use crate::AgentServerCommand;
+    use std::path::Path;
+
+    crate::common_e2e_tests!(Codex);
+
+    pub fn local_command() -> AgentServerCommand {
+        let cli_path = Path::new(env!("CARGO_MANIFEST_DIR"))
+            .join("../../../codex/codex-rs/target/debug/codex");
+
+        AgentServerCommand {
+            path: cli_path,
+            args: vec![],
+            env: None,
+        }
+    }
+}
--- a/crates/agent_servers/src/e2e_tests.rs
+++ b/crates/agent_servers/src/e2e_tests.rs
@@ -0,0 +1,371 @@
+use std::{path::Path, sync::Arc, time::Duration};
+
+use crate::{AgentServer, AgentServerSettings, AllAgentServersSettings};
+use acp_thread::{
+    AcpThread, AgentThreadEntry, ToolCall, ToolCallConfirmation, ToolCallContent, ToolCallStatus,
+};
+use agentic_coding_protocol as acp;
+use futures::{FutureExt, StreamExt, channel::mpsc, select};
+use gpui::{Entity, TestAppContext};
+use indoc::indoc;
+use project::{FakeFs, Project};
+use serde_json::json;
+use settings::{Settings, SettingsStore};
+use util::path;
+
+pub async fn test_basic(server: impl AgentServer + 'static, cx: &mut TestAppContext) {
+    let fs = init_test(cx).await;
+    let project = Project::test(fs, [], cx).await;
+    let thread = new_test_thread(server, project.clone(), "/private/tmp", cx).await;
+
+    thread
+        .update(cx, |thread, cx| thread.send_raw("Hello from Zed!", cx))
+        .await
+        .unwrap();
+
+    thread.read_with(cx, |thread, _| {
+        assert_eq!(thread.entries().len(), 2);
+        assert!(matches!(
+            thread.entries()[0],
+            AgentThreadEntry::UserMessage(_)
+        ));
+        assert!(matches!(
+            thread.entries()[1],
+            AgentThreadEntry::AssistantMessage(_)
+        ));
+    });
+}
+
+pub async fn test_path_mentions(server: impl AgentServer + 'static, cx: &mut TestAppContext) {
+    let _fs = init_test(cx).await;
+
+    let tempdir = tempfile::tempdir().unwrap();
+    std::fs::write(
+        tempdir.path().join("foo.rs"),
+        indoc! {"
+            fn main() {
+                println!(\"Hello, world!\");
+            }
+        "},
+    )
+    .expect("failed to write file");
+    let project = Project::example([tempdir.path()], &mut cx.to_async()).await;
+    let thread = new_test_thread(server, project.clone(), tempdir.path(), cx).await;
+    thread
+        .update(cx, |thread, cx| {
+            thread.send(
+                acp::SendUserMessageParams {
+                    chunks: vec![
+                        acp::UserMessageChunk::Text {
+                            text: "Read the file ".into(),
+                        },
+                        acp::UserMessageChunk::Path {
+                            path: Path::new("foo.rs").into(),
+                        },
+                        acp::UserMessageChunk::Text {
+                            text: " and tell me what the content of the println! is".into(),
+                        },
+                    ],
+                },
+                cx,
+            )
+        })
+        .await
+        .unwrap();
+
+    thread.read_with(cx, |thread, cx| {
+        assert_eq!(thread.entries().len(), 3);
+        assert!(matches!(
+            thread.entries()[0],
+            AgentThreadEntry::UserMessage(_)
+        ));
+        assert!(matches!(thread.entries()[1], AgentThreadEntry::ToolCall(_)));
+        let AgentThreadEntry::AssistantMessage(assistant_message) = &thread.entries()[2] else {
+            panic!("Expected AssistantMessage")
+        };
+        assert!(
+            assistant_message.to_markdown(cx).contains("Hello, world!"),
+            "unexpected assistant message: {:?}",
+            assistant_message.to_markdown(cx)
+        );
+    });
+}
+
+pub async fn test_tool_call(server: impl AgentServer + 'static, cx: &mut TestAppContext) {
+    let fs = init_test(cx).await;
+    fs.insert_tree(
+        path!("/private/tmp"),
+        json!({"foo": "Lorem ipsum dolor", "bar": "bar", "baz": "baz"}),
+    )
+    .await;
+    let project = Project::test(fs, [path!("/private/tmp").as_ref()], cx).await;
+    let thread = new_test_thread(server, project.clone(), "/private/tmp", cx).await;
+
+    thread
+        .update(cx, |thread, cx| {
+            thread.send_raw(
+                "Read the '/private/tmp/foo' file and tell me what you see.",
+                cx,
+            )
+        })
+        .await
+        .unwrap();
+    thread.read_with(cx, |thread, _cx| {
+        assert!(matches!(
+            &thread.entries()[2],
+            AgentThreadEntry::ToolCall(ToolCall {
+                status: ToolCallStatus::Allowed { .. },
+                ..
+            })
+        ));
+
+        assert!(matches!(
+            thread.entries()[3],
+            AgentThreadEntry::AssistantMessage(_)
+        ));
+    });
+}
+
+pub async fn test_tool_call_with_confirmation(
+    server: impl AgentServer + 'static,
+    cx: &mut TestAppContext,
+) {
+    let fs = init_test(cx).await;
+    let project = Project::test(fs, [path!("/private/tmp").as_ref()], cx).await;
+    let thread = new_test_thread(server, project.clone(), "/private/tmp", cx).await;
+    let full_turn = thread.update(cx, |thread, cx| {
+        thread.send_raw(r#"Run `echo "Hello, world!"`"#, cx)
+    });
+
+    run_until_first_tool_call(&thread, cx).await;
+
+    let tool_call_id = thread.read_with(cx, |thread, _cx| {
+        let AgentThreadEntry::ToolCall(ToolCall {
+            id,
+            status:
+                ToolCallStatus::WaitingForConfirmation {
+                    confirmation: ToolCallConfirmation::Execute { root_command, .. },
+                    ..
+                },
+            ..
+        }) = &thread.entries()[2]
+        else {
+            panic!();
+        };
+
+        assert_eq!(root_command, "echo");
+
+        *id
+    });
+
+    thread.update(cx, |thread, cx| {
+        thread.authorize_tool_call(tool_call_id, acp::ToolCallConfirmationOutcome::Allow, cx);
+
+        assert!(matches!(
+            &thread.entries()[2],
+            AgentThreadEntry::ToolCall(ToolCall {
+                status: ToolCallStatus::Allowed { .. },
+                ..
+            })
+        ));
+    });
+
+    full_turn.await.unwrap();
+
+    thread.read_with(cx, |thread, cx| {
+        let AgentThreadEntry::ToolCall(ToolCall {
+            content: Some(ToolCallContent::Markdown { markdown }),
+            status: ToolCallStatus::Allowed { .. },
+            ..
+        }) = &thread.entries()[2]
+        else {
+            panic!();
+        };
+
+        markdown.read_with(cx, |md, _cx| {
+            assert!(
+                md.source().contains("Hello, world!"),
+                r#"Expected '{}' to contain "Hello, world!""#,
+                md.source()
+            );
+        });
+    });
+}
+
+pub async fn test_cancel(server: impl AgentServer + 'static, cx: &mut TestAppContext) {
+    let fs = init_test(cx).await;
+
+    let project = Project::test(fs, [path!("/private/tmp").as_ref()], cx).await;
+    let thread = new_test_thread(server, project.clone(), "/private/tmp", cx).await;
+    let full_turn = thread.update(cx, |thread, cx| {
+        thread.send_raw(r#"Run `echo "Hello, world!"`"#, cx)
+    });
+
+    let first_tool_call_ix = run_until_first_tool_call(&thread, cx).await;
+
+    thread.read_with(cx, |thread, _cx| {
+        let AgentThreadEntry::ToolCall(ToolCall {
+            id,
+            status:
+                ToolCallStatus::WaitingForConfirmation {
+                    confirmation: ToolCallConfirmation::Execute { root_command, .. },
+                    ..
+                },
+            ..
+        }) = &thread.entries()[first_tool_call_ix]
+        else {
+            panic!("{:?}", thread.entries()[1]);
+        };
+
+        assert_eq!(root_command, "echo");
+
+        *id
+    });
+
+    thread
+        .update(cx, |thread, cx| thread.cancel(cx))
+        .await
+        .unwrap();
+    full_turn.await.unwrap();
+    thread.read_with(cx, |thread, _| {
+        let AgentThreadEntry::ToolCall(ToolCall {
+            status: ToolCallStatus::Canceled,
+            ..
+        }) = &thread.entries()[first_tool_call_ix]
+        else {
+            panic!();
+        };
+    });
+
+    thread
+        .update(cx, |thread, cx| {
+            thread.send_raw(r#"Stop running and say goodbye to me."#, cx)
+        })
+        .await
+        .unwrap();
+    thread.read_with(cx, |thread, _| {
+        assert!(matches!(
+            &thread.entries().last().unwrap(),
+            AgentThreadEntry::AssistantMessage(..),
+        ))
+    });
+}
+
+#[macro_export]
+macro_rules! common_e2e_tests {
+    ($server:expr) => {
+        mod common_e2e {
+            use super::*;
+
+            #[::gpui::test]
+            #[cfg_attr(not(feature = "e2e"), ignore)]
+            async fn basic(cx: &mut ::gpui::TestAppContext) {
+                $crate::e2e_tests::test_basic($server, cx).await;
+            }
+
+            #[::gpui::test]
+            #[cfg_attr(not(feature = "e2e"), ignore)]
+            async fn path_mentions(cx: &mut ::gpui::TestAppContext) {
+                $crate::e2e_tests::test_path_mentions($server, cx).await;
+            }
+
+            #[::gpui::test]
+            #[cfg_attr(not(feature = "e2e"), ignore)]
+            async fn tool_call(cx: &mut ::gpui::TestAppContext) {
+                $crate::e2e_tests::test_tool_call($server, cx).await;
+            }
+
+            #[::gpui::test]
+            #[cfg_attr(not(feature = "e2e"), ignore)]
+            async fn tool_call_with_confirmation(cx: &mut ::gpui::TestAppContext) {
+                $crate::e2e_tests::test_tool_call_with_confirmation($server, cx).await;
+            }
+
+            #[::gpui::test]
+            #[cfg_attr(not(feature = "e2e"), ignore)]
+            async fn cancel(cx: &mut ::gpui::TestAppContext) {
+                $crate::e2e_tests::test_cancel($server, cx).await;
+            }
+        }
+    };
+}
+
+// Helpers
+
+pub async fn init_test(cx: &mut TestAppContext) -> Arc<FakeFs> {
+    env_logger::try_init().ok();
+
+    cx.update(|cx| {
+        let settings_store = SettingsStore::test(cx);
+        cx.set_global(settings_store);
+        Project::init_settings(cx);
+        language::init(cx);
+        crate::settings::init(cx);
+
+        crate::AllAgentServersSettings::override_global(
+            AllAgentServersSettings {
+                claude: Some(AgentServerSettings {
+                    command: crate::claude::tests::local_command(),
+                }),
+                codex: Some(AgentServerSettings {
+                    command: crate::codex::tests::local_command(),
+                }),
+                gemini: Some(AgentServerSettings {
+                    command: crate::gemini::tests::local_command(),
+                }),
+            },
+            cx,
+        );
+    });
+
+    cx.executor().allow_parking();
+
+    FakeFs::new(cx.executor())
+}
+
+pub async fn new_test_thread(
+    server: impl AgentServer + 'static,
+    project: Entity<Project>,
+    current_dir: impl AsRef<Path>,
+    cx: &mut TestAppContext,
+) -> Entity<AcpThread> {
+    let thread = cx
+        .update(|cx| server.new_thread(current_dir.as_ref(), &project, cx))
+        .await
+        .unwrap();
+
+    thread
+        .update(cx, |thread, _| thread.initialize())
+        .await
+        .unwrap();
+    thread
+}
+
+pub async fn run_until_first_tool_call(
+    thread: &Entity<AcpThread>,
+    cx: &mut TestAppContext,
+) -> usize {
+    let (mut tx, mut rx) = mpsc::channel::<usize>(1);
+
+    let subscription = cx.update(|cx| {
+        cx.subscribe(thread, move |thread, _, cx| {
+            for (ix, entry) in thread.read(cx).entries().iter().enumerate() {
+                if matches!(entry, AgentThreadEntry::ToolCall(_)) {
+                    return tx.try_send(ix).unwrap();
+                }
+            }
+        })
+    });
+
+    select! {
+        // We have to use a smol timer here because
+        // cx.background_executor().timer isn't real in the test context
+        _ = futures::FutureExt::fuse(smol::Timer::after(Duration::from_secs(10))) => {
+            panic!("Timeout waiting for tool call")
+        }
+        ix = rx.next().fuse() => {
+            drop(subscription);
+            ix.unwrap()
+        }
+    }
+}
--- a/crates/agent_servers/src/gemini.rs
+++ b/crates/agent_servers/src/gemini.rs
@@ -0,0 +1,123 @@
+use crate::stdio_agent_server::StdioAgentServer;
+use crate::{AgentServerCommand, AgentServerVersion};
+use anyhow::{Context as _, Result};
+use gpui::{AsyncApp, Entity};
+use project::Project;
+use settings::SettingsStore;
+
+use crate::AllAgentServersSettings;
+
+#[derive(Clone)]
+pub struct Gemini;
+
+const ACP_ARG: &str = "--experimental-acp";
+
+impl StdioAgentServer for Gemini {
+    fn name(&self) -> &'static str {
+        "Gemini"
+    }
+
+    fn empty_state_headline(&self) -> &'static str {
+        "Welcome to Gemini"
+    }
+
+    fn empty_state_message(&self) -> &'static str {
+        "Ask questions, edit files, run commands.\nBe specific for the best results."
+    }
+
+    fn supports_always_allow(&self) -> bool {
+        true
+    }
+
+    fn logo(&self) -> ui::IconName {
+        ui::IconName::AiGemini
+    }
+
+    async fn command(
+        &self,
+        project: &Entity<Project>,
+        cx: &mut AsyncApp,
+    ) -> Result<AgentServerCommand> {
+        let settings = cx.read_global(|settings: &SettingsStore, _| {
+            settings.get::<AllAgentServersSettings>(None).gemini.clone()
+        })?;
+
+        if let Some(command) =
+            AgentServerCommand::resolve("gemini", &[ACP_ARG], settings, &project, cx).await
+        {
+            return Ok(command);
+        };
+
+        let (fs, node_runtime) = project.update(cx, |project, _| {
+            (project.fs().clone(), project.node_runtime().cloned())
+        })?;
+        let node_runtime = node_runtime.context("gemini not found on path")?;
+
+        let directory = ::paths::agent_servers_dir().join("gemini");
+        fs.create_dir(&directory).await?;
+        node_runtime
+            .npm_install_packages(&directory, &[("@google/gemini-cli", "latest")])
+            .await?;
+        let path = directory.join("node_modules/.bin/gemini");
+
+        Ok(AgentServerCommand {
+            path,
+            args: vec![ACP_ARG.into()],
+            env: None,
+        })
+    }
+
+    async fn version(&self, command: &AgentServerCommand) -> Result<AgentServerVersion> {
+        let version_fut = util::command::new_smol_command(&command.path)
+            .args(command.args.iter())
+            .arg("--version")
+            .kill_on_drop(true)
+            .output();
+
+        let help_fut = util::command::new_smol_command(&command.path)
+            .args(command.args.iter())
+            .arg("--help")
+            .kill_on_drop(true)
+            .output();
+
+        let (version_output, help_output) = futures::future::join(version_fut, help_fut).await;
+
+        let current_version = String::from_utf8(version_output?.stdout)?;
+        let supported = String::from_utf8(help_output?.stdout)?.contains(ACP_ARG);
+
+        if supported {
+            Ok(AgentServerVersion::Supported)
+        } else {
+            Ok(AgentServerVersion::Unsupported {
+                error_message: format!(
+                    "Your installed version of Gemini {} doesn't support the Agentic Coding Protocol (ACP).",
+                    current_version
+                ).into(),
+                upgrade_message: "Upgrade Gemini to Latest".into(),
+                upgrade_command: "npm install -g @google/gemini-cli@latest".into(),
+            })
+        }
+    }
+}
+
+#[cfg(test)]
+pub(crate) mod tests {
+    use super::*;
+    use crate::AgentServerCommand;
+    use std::path::Path;
+
+    crate::common_e2e_tests!(Gemini);
+
+    pub fn local_command() -> AgentServerCommand {
+        let cli_path = Path::new(env!("CARGO_MANIFEST_DIR"))
+            .join("../../../gemini-cli/packages/cli")
+            .to_string_lossy()
+            .to_string();
+
+        AgentServerCommand {
+            path: "node".into(),
+            args: vec![cli_path, ACP_ARG.into()],
+            env: None,
+        }
+    }
+}
--- a/crates/agent_servers/src/settings.rs
+++ b/crates/agent_servers/src/settings.rs
@@ -0,0 +1,54 @@
+use crate::AgentServerCommand;
+use anyhow::Result;
+use gpui::App;
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use settings::{Settings, SettingsSources};
+
+pub fn init(cx: &mut App) {
+    AllAgentServersSettings::register(cx);
+}
+
+#[derive(Default, Deserialize, Serialize, Clone, JsonSchema, Debug)]
+pub struct AllAgentServersSettings {
+    pub gemini: Option<AgentServerSettings>,
+    pub claude: Option<AgentServerSettings>,
+    pub codex: Option<AgentServerSettings>,
+}
+
+#[derive(Deserialize, Serialize, Clone, JsonSchema, Debug)]
+pub struct AgentServerSettings {
+    #[serde(flatten)]
+    pub command: AgentServerCommand,
+}
+
+impl settings::Settings for AllAgentServersSettings {
+    const KEY: Option<&'static str> = Some("agent_servers");
+
+    type FileContent = Self;
+
+    fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
+        let mut settings = AllAgentServersSettings::default();
+
+        for AllAgentServersSettings {
+            gemini,
+            claude,
+            codex,
+        } in sources.defaults_and_customizations()
+        {
+            if gemini.is_some() {
+                settings.gemini = gemini.clone();
+            }
+            if claude.is_some() {
+                settings.claude = claude.clone();
+            }
+            if codex.is_some() {
+                settings.codex = codex.clone();
+            }
+        }
+
+        Ok(settings)
+    }
+
+    fn import_from_vscode(_vscode: &settings::VsCodeSettings, _current: &mut Self::FileContent) {}
+}
--- a/crates/agent_servers/src/stdio_agent_server.rs
+++ b/crates/agent_servers/src/stdio_agent_server.rs
@@ -0,0 +1,119 @@
+use crate::{AgentServer, AgentServerCommand, AgentServerVersion};
+use acp_thread::{AcpClientDelegate, AcpThread, LoadError};
+use agentic_coding_protocol as acp;
+use anyhow::{Result, anyhow};
+use gpui::{App, AsyncApp, Entity, Task, prelude::*};
+use project::Project;
+use std::path::Path;
+use util::ResultExt;
+
+pub trait StdioAgentServer: Send + Clone {
+    fn logo(&self) -> ui::IconName;
+    fn name(&self) -> &'static str;
+    fn empty_state_headline(&self) -> &'static str;
+    fn empty_state_message(&self) -> &'static str;
+    fn supports_always_allow(&self) -> bool;
+
+    fn command(
+        &self,
+        project: &Entity<Project>,
+        cx: &mut AsyncApp,
+    ) -> impl Future<Output = Result<AgentServerCommand>>;
+
+    fn version(
+        &self,
+        command: &AgentServerCommand,
+    ) -> impl Future<Output = Result<AgentServerVersion>> + Send;
+}
+
+impl<T: StdioAgentServer + 'static> AgentServer for T {
+    fn name(&self) -> &'static str {
+        self.name()
+    }
+
+    fn empty_state_headline(&self) -> &'static str {
+        self.empty_state_headline()
+    }
+
+    fn empty_state_message(&self) -> &'static str {
+        self.empty_state_message()
+    }
+
+    fn logo(&self) -> ui::IconName {
+        self.logo()
+    }
+
+    fn supports_always_allow(&self) -> bool {
+        self.supports_always_allow()
+    }
+
+    fn new_thread(
+        &self,
+        root_dir: &Path,
+        project: &Entity<Project>,
+        cx: &mut App,
+    ) -> Task<Result<Entity<AcpThread>>> {
+        let root_dir = root_dir.to_path_buf();
+        let project = project.clone();
+        let this = self.clone();
+        let title = self.name().into();
+
+        cx.spawn(async move |cx| {
+            let command = this.command(&project, cx).await?;
+
+            let mut child = util::command::new_smol_command(&command.path)
+                .args(command.args.iter())
+                .current_dir(root_dir)
+                .stdin(std::process::Stdio::piped())
+                .stdout(std::process::Stdio::piped())
+                .stderr(std::process::Stdio::inherit())
+                .kill_on_drop(true)
+                .spawn()?;
+
+            let stdin = child.stdin.take().unwrap();
+            let stdout = child.stdout.take().unwrap();
+
+            cx.new(|cx| {
+                let foreground_executor = cx.foreground_executor().clone();
+
+                let (connection, io_fut) = acp::AgentConnection::connect_to_agent(
+                    AcpClientDelegate::new(cx.entity().downgrade(), cx.to_async()),
+                    stdin,
+                    stdout,
+                    move |fut| foreground_executor.spawn(fut).detach(),
+                );
+
+                let io_task = cx.background_spawn(async move {
+                    io_fut.await.log_err();
+                });
+
+                let child_status = cx.background_spawn(async move {
+                    let result = match child.status().await {
+                        Err(e) => Err(anyhow!(e)),
+                        Ok(result) if result.success() => Ok(()),
+                        Ok(result) => {
+                            if let Some(AgentServerVersion::Unsupported {
+                                error_message,
+                                upgrade_message,
+                                upgrade_command,
+                            }) = this.version(&command).await.log_err()
+                            {
+                                Err(anyhow!(LoadError::Unsupported {
+                                    error_message,
+                                    upgrade_message,
+                                    upgrade_command
+                                }))
+                            } else {
+                                Err(anyhow!(LoadError::Exited(result.code().unwrap_or(-127))))
+                            }
+                        }
+                    };
+                    drop(io_task);
+                    result
+                });
+
+                AcpThread::new(connection, title, Some(child_status), project.clone(), cx)
+            })
+        })
+    }
+}
--- a/crates/agent_ui/Cargo.toml
+++ b/crates/agent_ui/Cargo.toml
@@ -13,14 +13,14 @@ path = "src/agent_ui.rs"
 doctest = false

 [features]
-test-support = [
-    "gpui/test-support",
-    "language/test-support",
-]
+test-support = ["gpui/test-support", "language/test-support"]

 [dependencies]
+acp_thread.workspace = true
 agent.workspace = true
+agentic-coding-protocol.workspace = true
 agent_settings.workspace = true
+agent_servers.workspace = true
 anyhow.workspace = true
 assistant_context.workspace = true
 assistant_slash_command.workspace = true
@@ -76,6 +76,7 @@ serde_json_lenient.workspace = true
 settings.workspace = true
 smol.workspace = true
 streaming_diff.workspace = true
+task.workspace = true
 telemetry.workspace = true
 telemetry_events.workspace = true
 terminal.workspace = true
--- a/crates/agent_ui/src/acp.rs
+++ b/crates/agent_ui/src/acp.rs
@@ -0,0 +1,6 @@
+mod completion_provider;
+mod message_history;
+mod thread_view;
+
+pub use message_history::MessageHistory;
+pub use thread_view::AcpThreadView;
--- a/crates/agent_ui/src/acp/completion_provider.rs
+++ b/crates/agent_ui/src/acp/completion_provider.rs
@@ -0,0 +1,574 @@
+use std::ops::Range;
+use std::path::Path;
+use std::sync::Arc;
+use std::sync::atomic::AtomicBool;
+
+use anyhow::Result;
+use collections::HashMap;
+use editor::display_map::CreaseId;
+use editor::{CompletionProvider, Editor, ExcerptId};
+use file_icons::FileIcons;
+use gpui::{App, Entity, Task, WeakEntity};
+use language::{Buffer, CodeLabel, HighlightId};
+use lsp::CompletionContext;
+use parking_lot::Mutex;
+use project::{Completion, CompletionIntent, CompletionResponse, ProjectPath, WorktreeId};
+use rope::Point;
+use text::{Anchor, ToPoint};
+use ui::prelude::*;
+use workspace::Workspace;
+
+use crate::context_picker::MentionLink;
+use crate::context_picker::file_context_picker::{extract_file_name_and_directory, search_files};
+
+#[derive(Default)]
+pub struct MentionSet {
+    paths_by_crease_id: HashMap<CreaseId, ProjectPath>,
+}
+
+impl MentionSet {
+    pub fn insert(&mut self, crease_id: CreaseId, path: ProjectPath) {
+        self.paths_by_crease_id.insert(crease_id, path);
+    }
+
+    pub fn path_for_crease_id(&self, crease_id: CreaseId) -> Option<ProjectPath> {
+        self.paths_by_crease_id.get(&crease_id).cloned()
+    }
+
+    pub fn drain(&mut self) -> impl Iterator<Item = CreaseId> {
+        self.paths_by_crease_id.drain().map(|(id, _)| id)
+    }
+}
+
+pub struct ContextPickerCompletionProvider {
+    workspace: WeakEntity<Workspace>,
+    editor: WeakEntity<Editor>,
+    mention_set: Arc<Mutex<MentionSet>>,
+}
+
+impl ContextPickerCompletionProvider {
+    pub fn new(
+        mention_set: Arc<Mutex<MentionSet>>,
+        workspace: WeakEntity<Workspace>,
+        editor: WeakEntity<Editor>,
+    ) -> Self {
+        Self {
+            mention_set,
+            workspace,
+            editor,
+        }
+    }
+
+    fn completion_for_path(
+        project_path: ProjectPath,
+        path_prefix: &str,
+        is_recent: bool,
+        is_directory: bool,
+        excerpt_id: ExcerptId,
+        source_range: Range<Anchor>,
+        editor: Entity<Editor>,
+        mention_set: Arc<Mutex<MentionSet>>,
+        cx: &App,
+    ) -> Completion {
+        let (file_name, directory) =
+            extract_file_name_and_directory(&project_path.path, path_prefix);
+
+        let label =
+            build_code_label_for_full_path(&file_name, directory.as_ref().map(|s| s.as_ref()), cx);
+        let full_path = if let Some(directory) = directory {
+            format!("{}{}", directory, file_name)
+        } else {
+            file_name.to_string()
+        };
+
+        let crease_icon_path = if is_directory {
+            FileIcons::get_folder_icon(false, cx).unwrap_or_else(|| IconName::Folder.path().into())
+        } else {
+            FileIcons::get_icon(Path::new(&full_path), cx)
+                .unwrap_or_else(|| IconName::File.path().into())
+        };
+        let completion_icon_path = if is_recent {
+            IconName::HistoryRerun.path().into()
+        } else {
+            crease_icon_path.clone()
+        };
+
+        let new_text = format!("{} ", MentionLink::for_file(&file_name, &full_path));
+        let new_text_len = new_text.len();
+        Completion {
+            replace_range: source_range.clone(),
+            new_text,
+            label,
+            documentation: None,
+            source: project::CompletionSource::Custom,
+            icon_path: Some(completion_icon_path),
+            insert_text_mode: None,
+            confirm: Some(confirm_completion_callback(
+                crease_icon_path,
+                file_name,
+                project_path,
+                excerpt_id,
+                source_range.start,
+                new_text_len - 1,
+                editor,
+                mention_set,
+            )),
+        }
+    }
+}
+
+fn build_code_label_for_full_path(file_name: &str, directory: Option<&str>, cx: &App) -> CodeLabel {
+    let comment_id = cx.theme().syntax().highlight_id("comment").map(HighlightId);
+    let mut label = CodeLabel::default();
+
+    label.push_str(&file_name, None);
+    label.push_str(" ", None);
+
+    if let Some(directory) = directory {
+        label.push_str(&directory, comment_id);
+    }
+
+    label.filter_range = 0..label.text().len();
+
+    label
+}
+
+impl CompletionProvider for ContextPickerCompletionProvider {
+    fn completions(
+        &self,
+        excerpt_id: ExcerptId,
+        buffer: &Entity<Buffer>,
+        buffer_position: Anchor,
+        _trigger: CompletionContext,
+        _window: &mut Window,
+        cx: &mut Context<Editor>,
+    ) -> Task<Result<Vec<CompletionResponse>>> {
+        let state = buffer.update(cx, |buffer, _cx| {
+            let position = buffer_position.to_point(buffer);
+            let line_start = Point::new(position.row, 0);
+            let offset_to_line = buffer.point_to_offset(line_start);
+            let mut lines = buffer.text_for_range(line_start..position).lines();
+            let line = lines.next()?;
+            MentionCompletion::try_parse(line, offset_to_line)
+        });
+        let Some(state) = state else {
+            return Task::ready(Ok(Vec::new()));
+        };
+
+        let Some(workspace) = self.workspace.upgrade() else {
+            return Task::ready(Ok(Vec::new()));
+        };
+
+        let snapshot = buffer.read(cx).snapshot();
+        let source_range = snapshot.anchor_before(state.source_range.start)
+            ..snapshot.anchor_after(state.source_range.end);
+
+        let editor = self.editor.clone();
+        let mention_set = self.mention_set.clone();
+        let MentionCompletion { argument, .. } = state;
+        let query = argument.unwrap_or_else(|| "".to_string());
+
+        let search_task = search_files(query.clone(), Arc::<AtomicBool>::default(), &workspace, cx);
+
+        cx.spawn(async move |_, cx| {
+            let matches = search_task.await;
+            let Some(editor) = editor.upgrade() else {
+                return Ok(Vec::new());
+            };
+
+            let completions = cx.update(|cx| {
+                matches
+                    .into_iter()
+                    .map(|mat| {
+                        let path_match = &mat.mat;
+                        let project_path = ProjectPath {
+                            worktree_id: WorktreeId::from_usize(path_match.worktree_id),
+                            path: path_match.path.clone(),
+                        };
+
+                        Self::completion_for_path(
+                            project_path,
+                            &path_match.path_prefix,
+                            mat.is_recent,
+                            path_match.is_dir,
+                            excerpt_id,
+                            source_range.clone(),
+                            editor.clone(),
+                            mention_set.clone(),
+                            cx,
+                        )
+                    })
+                    .collect()
+            })?;
+
+            Ok(vec![CompletionResponse {
+                completions,
+                // Since this does its own filtering (see `filter_completions()` returns false),
+                // there is no benefit to computing whether this set of completions is incomplete.
+                is_incomplete: true,
+            }])
+        })
+    }
+
+    fn is_completion_trigger(
+        &self,
+        buffer: &Entity<language::Buffer>,
+        position: language::Anchor,
+        _text: &str,
+        _trigger_in_words: bool,
+        _menu_is_open: bool,
+        cx: &mut Context<Editor>,
+    ) -> bool {
+        let buffer = buffer.read(cx);
+        let position = position.to_point(buffer);
+        let line_start = Point::new(position.row, 0);
+        let offset_to_line = buffer.point_to_offset(line_start);
+        let mut lines = buffer.text_for_range(line_start..position).lines();
+        if let Some(line) = lines.next() {
+            MentionCompletion::try_parse(line, offset_to_line)
+                .map(|completion| {
+                    completion.source_range.start <= offset_to_line + position.column as usize
+                        && completion.source_range.end >= offset_to_line + position.column as usize
+                })
+                .unwrap_or(false)
+        } else {
+            false
+        }
+    }
+
+    fn sort_completions(&self) -> bool {
+        false
+    }
+
+    fn filter_completions(&self) -> bool {
+        false
+    }
+}
+
+fn confirm_completion_callback(
+    crease_icon_path: SharedString,
+    crease_text: SharedString,
+    project_path: ProjectPath,
+    excerpt_id: ExcerptId,
+    start: Anchor,
+    content_len: usize,
+    editor: Entity<Editor>,
+    mention_set: Arc<Mutex<MentionSet>>,
+) -> Arc<dyn Fn(CompletionIntent, &mut Window, &mut App) -> bool + Send + Sync> {
+    Arc::new(move |_, window, cx| {
+        let crease_text = crease_text.clone();
+        let crease_icon_path = crease_icon_path.clone();
+        let editor = editor.clone();
+        let project_path = project_path.clone();
+        let mention_set = mention_set.clone();
+        window.defer(cx, move |window, cx| {
+            let crease_id = crate::context_picker::insert_crease_for_mention(
+                excerpt_id,
+                start,
+                content_len,
+                crease_text.clone(),
+                crease_icon_path,
+                editor.clone(),
+                window,
+                cx,
+            );
+            if let Some(crease_id) = crease_id {
+                mention_set.lock().insert(crease_id, project_path);
+            }
+        });
+        false
+    })
+}
+
+#[derive(Debug, Default, PartialEq)]
+struct MentionCompletion {
+    source_range: Range<usize>,
+    argument: Option<String>,
+}
+
+impl MentionCompletion {
+    fn try_parse(line: &str, offset_to_line: usize) -> Option<Self> {
+        let last_mention_start = line.rfind('@')?;
+        if last_mention_start >= line.len() {
+            return Some(Self::default());
+        }
+        if last_mention_start > 0
+            && line
+                .chars()
+                .nth(last_mention_start - 1)
+                .map_or(false, |c| !c.is_whitespace())
+        {
+            return None;
+        }
+
+        let rest_of_line = &line[last_mention_start + 1..];
+        let mut argument = None;
+
+        let mut parts = rest_of_line.split_whitespace();
+        let mut end = last_mention_start + 1;
+        if let Some(argument_text) = parts.next() {
+            end += argument_text.len();
+            argument = Some(argument_text.to_string());
+        }
+
+        Some(Self {
+            source_range: last_mention_start + offset_to_line..end + offset_to_line,
+            argument,
+        })
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use gpui::{EventEmitter, FocusHandle, Focusable, TestAppContext, VisualTestContext};
+    use project::{Project, ProjectPath};
+    use serde_json::json;
+    use settings::SettingsStore;
+    use std::{ops::Deref, rc::Rc};
+    use util::path;
+    use workspace::{AppState, Item};
+
+    #[test]
+    fn test_mention_completion_parse() {
+        assert_eq!(MentionCompletion::try_parse("Lorem Ipsum", 0), None);
+
+        assert_eq!(
+            MentionCompletion::try_parse("Lorem @", 0),
+            Some(MentionCompletion {
+                source_range: 6..7,
+                argument: None,
+            })
+        );
+
+        assert_eq!(
+            MentionCompletion::try_parse("Lorem @main", 0),
+            Some(MentionCompletion {
+                source_range: 6..11,
+                argument: Some("main".to_string()),
+            })
+        );
+
+        assert_eq!(MentionCompletion::try_parse("test@", 0), None);
+    }
+
+    struct AtMentionEditor(Entity<Editor>);
+
+    impl Item for AtMentionEditor {
+        type Event = ();
+
+        fn include_in_nav_history() -> bool {
+            false
+        }
+
+        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
+            "Test".into()
+        }
+    }
+
+    impl EventEmitter<()> for AtMentionEditor {}
+
+    impl Focusable for AtMentionEditor {
+        fn focus_handle(&self, cx: &App) -> FocusHandle {
+            self.0.read(cx).focus_handle(cx).clone()
+        }
+    }
+
+    impl Render for AtMentionEditor {
+        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
+            self.0.clone().into_any_element()
+        }
+    }
+
+    #[gpui::test]
+    async fn test_context_completion_provider(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let app_state = cx.update(AppState::test);
+
+        cx.update(|cx| {
+            language::init(cx);
+            editor::init(cx);
+            workspace::init(app_state.clone(), cx);
+            Project::init_settings(cx);
+        });
+
+        app_state
+            .fs
+            .as_fake()
+            .insert_tree(
+                path!("/dir"),
+                json!({
+                    "editor": "",
+                    "a": {
+                        "one.txt": "",
+                        "two.txt": "",
+                        "three.txt": "",
+                        "four.txt": ""
+                    },
+                    "b": {
+                        "five.txt": "",
+                        "six.txt": "",
+                        "seven.txt": "",
+                        "eight.txt": "",
+                    }
+                }),
+            )
+            .await;
+
+        let project = Project::test(app_state.fs.clone(), [path!("/dir").as_ref()], cx).await;
+        let window = cx.add_window(|window, cx| Workspace::test_new(project.clone(), window, cx));
+        let workspace = window.root(cx).unwrap();
+
+        let worktree = project.update(cx, |project, cx| {
+            let mut worktrees = project.worktrees(cx).collect::<Vec<_>>();
+            assert_eq!(worktrees.len(), 1);
+            worktrees.pop().unwrap()
+        });
+        let worktree_id = worktree.read_with(cx, |worktree, _| worktree.id());
+
+        let mut cx = VisualTestContext::from_window(*window.deref(), cx);
+
+        let paths = vec![
+            path!("a/one.txt"),
+            path!("a/two.txt"),
+            path!("a/three.txt"),
+            path!("a/four.txt"),
+            path!("b/five.txt"),
+            path!("b/six.txt"),
+            path!("b/seven.txt"),
+            path!("b/eight.txt"),
+        ];
+
+        let mut opened_editors = Vec::new();
+        for path in paths {
+            let buffer = workspace
+                .update_in(&mut cx, |workspace, window, cx| {
+                    workspace.open_path(
+                        ProjectPath {
+                            worktree_id,
+                            path: Path::new(path).into(),
+                        },
+                        None,
+                        false,
+                        window,
+                        cx,
+                    )
+                })
+                .await
+                .unwrap();
+            opened_editors.push(buffer);
+        }
+
+        let editor = workspace.update_in(&mut cx, |workspace, window, cx| {
+            let editor = cx.new(|cx| {
+                Editor::new(
+                    editor::EditorMode::full(),
+                    multi_buffer::MultiBuffer::build_simple("", cx),
+                    None,
+                    window,
+                    cx,
+                )
+            });
+            workspace.active_pane().update(cx, |pane, cx| {
+                pane.add_item(
+                    Box::new(cx.new(|_| AtMentionEditor(editor.clone()))),
+                    true,
+                    true,
+                    None,
+                    window,
+                    cx,
+                );
+            });
+            editor
+        });
+
+        let mention_set = Arc::new(Mutex::new(MentionSet::default()));
+
+        let editor_entity = editor.downgrade();
+        editor.update_in(&mut cx, |editor, window, cx| {
+            window.focus(&editor.focus_handle(cx));
+            editor.set_completion_provider(Some(Rc::new(ContextPickerCompletionProvider::new(
+                mention_set.clone(),
+                workspace.downgrade(),
+                editor_entity,
+            ))));
+        });
+
+        cx.simulate_input("Lorem ");
+
+        editor.update(&mut cx, |editor, cx| {
+            assert_eq!(editor.text(cx), "Lorem ");
+            assert!(!editor.has_visible_completions_menu());
+        });
+
+        cx.simulate_input("@");
+
+        editor.update(&mut cx, |editor, cx| {
+            assert_eq!(editor.text(cx), "Lorem @");
+            assert!(editor.has_visible_completions_menu());
+            assert_eq!(
+                current_completion_labels(editor),
+                &[
+                    "eight.txt dir/b/",
+                    "seven.txt dir/b/",
+                    "six.txt dir/b/",
+                    "five.txt dir/b/",
+                    "four.txt dir/a/",
+                    "three.txt dir/a/",
+                    "two.txt dir/a/",
+                    "one.txt dir/a/",
+                    "dir ",
+                    "a dir/",
+                    "four.txt dir/a/",
+                    "one.txt dir/a/",
+                    "three.txt dir/a/",
+                    "two.txt dir/a/",
+                    "b dir/",
+                    "eight.txt dir/b/",
+                    "five.txt dir/b/",
+                    "seven.txt dir/b/",
+                    "six.txt dir/b/",
+                    "editor dir/"
+                ]
+            );
+        });
+
+        // Select and confirm "File"
+        editor.update_in(&mut cx, |editor, window, cx| {
+            assert!(editor.has_visible_completions_menu());
+            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
+            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
+            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
+            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
+            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
+        });
+
+        cx.run_until_parked();
+
+        editor.update(&mut cx, |editor, cx| {
+            assert_eq!(editor.text(cx), "Lorem [@four.txt](@file:dir/a/four.txt) ");
+        });
+    }
+
+    fn current_completion_labels(editor: &Editor) -> Vec<String> {
+        let completions = editor.current_completions().expect("Missing completions");
+        completions
+            .into_iter()
+            .map(|completion| completion.label.text.to_string())
+            .collect::<Vec<_>>()
+    }
+
+    pub(crate) fn init_test(cx: &mut TestAppContext) {
+        cx.update(|cx| {
+            let store = SettingsStore::test(cx);
+            cx.set_global(store);
+            theme::init(theme::LoadThemes::JustBase, cx);
+            client::init_settings(cx);
+            language::init(cx);
+            Project::init_settings(cx);
+            workspace::init_settings(cx);
+            editor::init_settings(cx);
+        });
+    }
+}
--- a/crates/agent_ui/src/acp/message_history.rs
+++ b/crates/agent_ui/src/acp/message_history.rs
@@ -0,0 +1,87 @@
+pub struct MessageHistory<T> {
+    items: Vec<T>,
+    current: Option<usize>,
+}
+
+impl<T> Default for MessageHistory<T> {
+    fn default() -> Self {
+        MessageHistory {
+            items: Vec::new(),
+            current: None,
+        }
+    }
+}
+
+impl<T> MessageHistory<T> {
+    pub fn push(&mut self, message: T) {
+        self.current.take();
+        self.items.push(message);
+    }
+
+    pub fn reset_position(&mut self) {
+        self.current.take();
+    }
+
+    pub fn prev(&mut self) -> Option<&T> {
+        if self.items.is_empty() {
+            return None;
+        }
+
+        let new_ix = self
+            .current
+            .get_or_insert(self.items.len())
+            .saturating_sub(1);
+
+        self.current = Some(new_ix);
+        self.items.get(new_ix)
+    }
+
+    pub fn next(&mut self) -> Option<&T> {
+        let current = self.current.as_mut()?;
+        *current += 1;
+
+        self.items.get(*current).or_else(|| {
+            self.current.take();
+            None
+        })
+    }
+}
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_prev_next() {
+        let mut history = MessageHistory::default();
+
+        // Test empty history
+        assert_eq!(history.prev(), None);
+        assert_eq!(history.next(), None);
+
+        // Add some messages
+        history.push("first");
+        history.push("second");
+        history.push("third");
+
+        // Test prev navigation
+        assert_eq!(history.prev(), Some(&"third"));
+        assert_eq!(history.prev(), Some(&"second"));
+        assert_eq!(history.prev(), Some(&"first"));
+        assert_eq!(history.prev(), Some(&"first"));
+
+        assert_eq!(history.next(), Some(&"second"));
+
+        // Test mixed navigation
+        history.push("fourth");
+        assert_eq!(history.prev(), Some(&"fourth"));
+        assert_eq!(history.prev(), Some(&"third"));
+        assert_eq!(history.next(), Some(&"fourth"));
+        assert_eq!(history.next(), None);
+
+        // Test that push resets navigation
+        history.prev();
+        history.prev();
+        history.push("fifth");
+        assert_eq!(history.prev(), Some(&"fifth"));
+    }
+}
--- a/crates/agent_ui/src/acp/thread_view.rs
+++ b/crates/agent_ui/src/acp/thread_view.rs
--- a/crates/agent_ui/src/active_thread.rs
+++ b/crates/agent_ui/src/active_thread.rs
@@ -787,6 +787,15 @@ impl ActiveThread {
                    .unwrap()
            }
        });
+
+        let workspace_subscription = if let Some(workspace) = workspace.upgrade() {
+            Some(cx.observe_release(&workspace, |this, _, cx| {
+                this.dismiss_notifications(cx);
+            }))
+        } else {
+            None
+        };
+
        let mut this = Self {
            language_registry,
            thread_store,
@@ -834,6 +843,10 @@ impl ActiveThread {
            }
        }

+        if let Some(subscription) = workspace_subscription {
+            this._subscriptions.push(subscription);
+        }
+
        this
    }

@@ -983,30 +996,57 @@ impl ActiveThread {
            | ThreadEvent::SummaryChanged => {
                self.save_thread(cx);
            }
-            ThreadEvent::Stopped(reason) => match reason {
-                Ok(StopReason::EndTurn | StopReason::MaxTokens) => {
-                    let used_tools = self.thread.read(cx).used_tools_since_last_user_message();
-                    self.play_notification_sound(window, cx);
-                    self.show_notification(
-                        if used_tools {
-                            "Finished running tools"
-                        } else {
-                            "New message"
-                        },
-                        IconName::ZedAssistant,
-                        window,
-                        cx,
-                    );
+            ThreadEvent::Stopped(reason) => {
+                match reason {
+                    Ok(StopReason::EndTurn | StopReason::MaxTokens) => {
+                        let used_tools = self.thread.read(cx).used_tools_since_last_user_message();
+                        self.notify_with_sound(
+                            if used_tools {
+                                "Finished running tools"
+                            } else {
+                                "New message"
+                            },
+                            IconName::ZedAssistant,
+                            window,
+                            cx,
+                        );
+                    }
+                    Ok(StopReason::ToolUse) => {
+                        // Don't notify for intermediate tool use
+                    }
+                    Ok(StopReason::Refusal) => {
+                        self.notify_with_sound(
+                            "Language model refused to respond",
+                            IconName::Warning,
+                            window,
+                            cx,
+                        );
+                    }
+                    Err(error) => {
+                        self.notify_with_sound(
+                            "Agent stopped due to an error",
+                            IconName::Warning,
+                            window,
+                            cx,
+                        );
+
+                        let error_message = error
+                            .chain()
+                            .map(|err| err.to_string())
+                            .collect::<Vec<_>>()
+                            .join("\n");
+                        self.last_error = Some(ThreadError::Message {
+                            header: "Error interacting with language model".into(),
+                            message: error_message.into(),
+                        });
+                    }
                }
-                _ => {}
-            },
+            }
            ThreadEvent::ToolConfirmationNeeded => {
-                self.play_notification_sound(window, cx);
-                self.show_notification("Waiting for tool confirmation", IconName::Info, window, cx);
+                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
            }
            ThreadEvent::ToolUseLimitReached => {
-                self.play_notification_sound(window, cx);
-                self.show_notification(
+                self.notify_with_sound(
                    "Consecutive tool use limit reached.",
                    IconName::Warning,
                    window,
@@ -1149,9 +1189,6 @@ impl ActiveThread {
                self.save_thread(cx);
                cx.notify();
            }
-            ThreadEvent::RetriesFailed { message } => {
-                self.show_notification(message, ui::IconName::Warning, window, cx);
-            }
        }
    }

@@ -1206,6 +1243,17 @@ impl ActiveThread {
        }
    }

+    fn notify_with_sound(
+        &mut self,
+        caption: impl Into<SharedString>,
+        icon: IconName,
+        window: &mut Window,
+        cx: &mut Context<ActiveThread>,
+    ) {
+        self.play_notification_sound(window, cx);
+        self.show_notification(caption, icon, window, cx);
+    }
+
    fn pop_up(
        &mut self,
        icon: IconName,
@@ -1461,6 +1509,7 @@ impl ActiveThread {
                            &configured_model.model,
                            cx,
                        ),
+                        thinking_allowed: true,
                    };

                    Some(configured_model.model.count_tokens(request, cx))
@@ -2580,8 +2629,8 @@ impl ActiveThread {
                                h_flex()
                                    .gap_1p5()
                                    .child(
-                                        Icon::new(IconName::LightBulb)
-                                            .size(IconSize::XSmall)
+                                        Icon::new(IconName::ToolBulb)
+                                            .size(IconSize::Small)
                                            .color(Color::Muted),
                                    )
                                    .child(LoadingLabel::new("Thinking").size(LabelSize::Small)),
@@ -2994,7 +3043,7 @@ impl ActiveThread {
                                        .overflow_x_scroll()
                                        .child(
                                            Icon::new(tool_use.icon)
-                                                .size(IconSize::XSmall)
+                                                .size(IconSize::Small)
                                                .color(Color::Muted),
                                        )
                                        .child(
--- a/crates/agent_ui/src/agent_configuration.rs
+++ b/crates/agent_ui/src/agent_configuration.rs
@@ -24,9 +24,10 @@ use project::{
    context_server_store::{ContextServerConfiguration, ContextServerStatus, ContextServerStore},
    project_settings::{ContextServerSettings, ProjectSettings},
 };
+use proto::Plan;
 use settings::{Settings, update_settings_file};
 use ui::{
-    ContextMenu, Disclosure, Divider, DividerColor, ElevationIndex, Indicator, PopoverMenu,
+    Chip, ContextMenu, Disclosure, Divider, DividerColor, ElevationIndex, Indicator, PopoverMenu,
    Scrollbar, ScrollbarState, Switch, SwitchColor, Tooltip, prelude::*,
 };
 use util::ResultExt as _;
@@ -171,6 +172,15 @@ impl AgentConfiguration {
            .copied()
            .unwrap_or(false);

+        let is_zed_provider = provider.id() == ZED_CLOUD_PROVIDER_ID;
+        let current_plan = if is_zed_provider {
+            self.workspace
+                .upgrade()
+                .and_then(|workspace| workspace.read(cx).user_store().read(cx).current_plan())
+        } else {
+            None
+        };
+
        v_flex()
            .when(is_expanded, |this| this.mb_2())
            .child(
@@ -208,14 +218,31 @@ impl AgentConfiguration {
                                            .size(IconSize::Small)
                                            .color(Color::Muted),
                                    )
-                                    .child(Label::new(provider_name.clone()).size(LabelSize::Large))
-                                    .when(
-                                        provider.is_authenticated(cx) && !is_expanded,
-                                        |parent| {
-                                            parent.child(
-                                                Icon::new(IconName::Check).color(Color::Success),
+                                    .child(
+                                        h_flex()
+                                            .gap_1()
+                                            .child(
+                                                Label::new(provider_name.clone())
+                                                    .size(LabelSize::Large),
                                            )
-                                        },
+                                            .map(|this| {
+                                                if is_zed_provider {
+                                                    this.gap_2().child(
+                                                        self.render_zed_plan_info(current_plan, cx),
+                                                    )
+                                                } else {
+                                                    this.when(
+                                                        provider.is_authenticated(cx)
+                                                            && !is_expanded,
+                                                        |parent| {
+                                                            parent.child(
+                                                                Icon::new(IconName::Check)
+                                                                    .color(Color::Success),
+                                                            )
+                                                        },
+                                                    )
+                                                }
+                                            }),
                                    ),
                            )
                            .child(
@@ -431,6 +458,37 @@ impl AgentConfiguration {
            .child(self.render_sound_notification(cx))
    }

+    fn render_zed_plan_info(&self, plan: Option<Plan>, cx: &mut Context<Self>) -> impl IntoElement {
+        if let Some(plan) = plan {
+            let free_chip_bg = cx
+                .theme()
+                .colors()
+                .editor_background
+                .opacity(0.5)
+                .blend(cx.theme().colors().text_accent.opacity(0.05));
+
+            let pro_chip_bg = cx
+                .theme()
+                .colors()
+                .editor_background
+                .opacity(0.5)
+                .blend(cx.theme().colors().text_accent.opacity(0.2));
+
+            let (plan_name, label_color, bg_color) = match plan {
+                Plan::Free => ("Free", Color::Default, free_chip_bg),
+                Plan::ZedProTrial => ("Pro Trial", Color::Accent, pro_chip_bg),
+                Plan::ZedPro => ("Pro", Color::Accent, pro_chip_bg),
+            };
+
+            Chip::new(plan_name.to_string())
+                .bg_color(bg_color)
+                .label_color(label_color)
+                .into_any_element()
+        } else {
+            div().into_any_element()
+        }
+    }
+
    fn render_context_servers_section(
        &mut self,
        window: &mut Window,
@@ -491,6 +549,7 @@ impl AgentConfiguration {
                                        category_filter: Some(
                                            ExtensionCategoryFilter::ContextServers,
                                        ),
+                                        id: None,
                                    }
                                    .boxed_clone(),
                                    cx,
--- a/crates/agent_ui/src/agent_diff.rs
+++ b/crates/agent_ui/src/agent_diff.rs
@@ -1,7 +1,9 @@
 use crate::{Keep, KeepAll, OpenAgentDiff, Reject, RejectAll};
-use agent::{Thread, ThreadEvent};
+use acp_thread::{AcpThread, AcpThreadEvent};
+use agent::{Thread, ThreadEvent, ThreadSummary};
 use agent_settings::AgentSettings;
 use anyhow::Result;
+use assistant_tool::ActionLog;
 use buffer_diff::DiffHunkStatus;
 use collections::{HashMap, HashSet};
 use editor::{
@@ -41,16 +43,108 @@ use zed_actions::assistant::ToggleFocus;
 pub struct AgentDiffPane {
    multibuffer: Entity<MultiBuffer>,
    editor: Entity<Editor>,
-    thread: Entity<Thread>,
+    thread: AgentDiffThread,
    focus_handle: FocusHandle,
    workspace: WeakEntity<Workspace>,
    title: SharedString,
    _subscriptions: Vec<Subscription>,
 }

+#[derive(PartialEq, Eq, Clone)]
+pub enum AgentDiffThread {
+    Native(Entity<Thread>),
+    AcpThread(Entity<AcpThread>),
+}
+
+impl AgentDiffThread {
+    fn project(&self, cx: &App) -> Entity<Project> {
+        match self {
+            AgentDiffThread::Native(thread) => thread.read(cx).project().clone(),
+            AgentDiffThread::AcpThread(thread) => thread.read(cx).project().clone(),
+        }
+    }
+    fn action_log(&self, cx: &App) -> Entity<ActionLog> {
+        match self {
+            AgentDiffThread::Native(thread) => thread.read(cx).action_log().clone(),
+            AgentDiffThread::AcpThread(thread) => thread.read(cx).action_log().clone(),
+        }
+    }
+
+    fn summary(&self, cx: &App) -> ThreadSummary {
+        match self {
+            AgentDiffThread::Native(thread) => thread.read(cx).summary().clone(),
+            AgentDiffThread::AcpThread(thread) => ThreadSummary::Ready(thread.read(cx).title()),
+        }
+    }
+
+    fn is_generating(&self, cx: &App) -> bool {
+        match self {
+            AgentDiffThread::Native(thread) => thread.read(cx).is_generating(),
+            AgentDiffThread::AcpThread(thread) => {
+                thread.read(cx).status() == acp_thread::ThreadStatus::Generating
+            }
+        }
+    }
+
+    fn has_pending_edit_tool_uses(&self, cx: &App) -> bool {
+        match self {
+            AgentDiffThread::Native(thread) => thread.read(cx).has_pending_edit_tool_uses(),
+            AgentDiffThread::AcpThread(thread) => thread.read(cx).has_pending_edit_tool_calls(),
+        }
+    }
+
+    fn downgrade(&self) -> WeakAgentDiffThread {
+        match self {
+            AgentDiffThread::Native(thread) => WeakAgentDiffThread::Native(thread.downgrade()),
+            AgentDiffThread::AcpThread(thread) => {
+                WeakAgentDiffThread::AcpThread(thread.downgrade())
+            }
+        }
+    }
+}
+
+impl From<Entity<Thread>> for AgentDiffThread {
+    fn from(entity: Entity<Thread>) -> Self {
+        AgentDiffThread::Native(entity)
+    }
+}
+
+impl From<Entity<AcpThread>> for AgentDiffThread {
+    fn from(entity: Entity<AcpThread>) -> Self {
+        AgentDiffThread::AcpThread(entity)
+    }
+}
+
+#[derive(PartialEq, Eq, Clone)]
+pub enum WeakAgentDiffThread {
+    Native(WeakEntity<Thread>),
+    AcpThread(WeakEntity<AcpThread>),
+}
+
+impl WeakAgentDiffThread {
+    pub fn upgrade(&self) -> Option<AgentDiffThread> {
+        match self {
+            WeakAgentDiffThread::Native(weak) => weak.upgrade().map(AgentDiffThread::Native),
+            WeakAgentDiffThread::AcpThread(weak) => weak.upgrade().map(AgentDiffThread::AcpThread),
+        }
+    }
+}
+
+impl From<WeakEntity<Thread>> for WeakAgentDiffThread {
+    fn from(entity: WeakEntity<Thread>) -> Self {
+        WeakAgentDiffThread::Native(entity)
+    }
+}
+
+impl From<WeakEntity<AcpThread>> for WeakAgentDiffThread {
+    fn from(entity: WeakEntity<AcpThread>) -> Self {
+        WeakAgentDiffThread::AcpThread(entity)
+    }
+}
+
 impl AgentDiffPane {
    pub fn deploy(
-        thread: Entity<Thread>,
+        thread: impl Into<AgentDiffThread>,
        workspace: WeakEntity<Workspace>,
        window: &mut Window,
        cx: &mut App,
@@ -61,14 +155,16 @@ impl AgentDiffPane {
    }

    pub fn deploy_in_workspace(
-        thread: Entity<Thread>,
+        thread: impl Into<AgentDiffThread>,
        workspace: &mut Workspace,
        window: &mut Window,
        cx: &mut Context<Workspace>,
    ) -> Entity<Self> {
+        let thread = thread.into();
        let existing_diff = workspace
            .items_of_type::<AgentDiffPane>(cx)
            .find(|diff| diff.read(cx).thread == thread);
+
        if let Some(existing_diff) = existing_diff {
            workspace.activate_item(&existing_diff, true, true, window, cx);
            existing_diff
@@ -81,7 +177,7 @@ impl AgentDiffPane {
    }

    pub fn new(
-        thread: Entity<Thread>,
+        thread: AgentDiffThread,
        workspace: WeakEntity<Workspace>,
        window: &mut Window,
        cx: &mut Context<Self>,
@@ -89,7 +185,7 @@ impl AgentDiffPane {
        let focus_handle = cx.focus_handle();
        let multibuffer = cx.new(|_| MultiBuffer::new(Capability::ReadWrite));

-        let project = thread.read(cx).project().clone();
+        let project = thread.project(cx).clone();
        let editor = cx.new(|cx| {
            let mut editor =
                Editor::for_multibuffer(multibuffer.clone(), Some(project.clone()), window, cx);
@@ -100,16 +196,27 @@ impl AgentDiffPane {
            editor
        });

-        let action_log = thread.read(cx).action_log().clone();
+        let action_log = thread.action_log(cx).clone();
+
        let mut this = Self {
-            _subscriptions: vec![
-                cx.observe_in(&action_log, window, |this, _action_log, window, cx| {
-                    this.update_excerpts(window, cx)
-                }),
-                cx.subscribe(&thread, |this, _thread, event, cx| {
-                    this.handle_thread_event(event, cx)
-                }),
-            ],
+            _subscriptions: [
+                Some(
+                    cx.observe_in(&action_log, window, |this, _action_log, window, cx| {
+                        this.update_excerpts(window, cx)
+                    }),
+                ),
+                match &thread {
+                    AgentDiffThread::Native(thread) => {
+                        Some(cx.subscribe(&thread, |this, _thread, event, cx| {
+                            this.handle_thread_event(event, cx)
+                        }))
+                    }
+                    AgentDiffThread::AcpThread(_) => None,
+                },
+            ]
+            .into_iter()
+            .flatten()
+            .collect(),
            title: SharedString::default(),
            multibuffer,
            editor,
@@ -123,8 +230,7 @@ impl AgentDiffPane {
    }

    fn update_excerpts(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        let thread = self.thread.read(cx);
-        let changed_buffers = thread.action_log().read(cx).changed_buffers(cx);
+        let changed_buffers = self.thread.action_log(cx).read(cx).changed_buffers(cx);
        let mut paths_to_delete = self.multibuffer.read(cx).paths().collect::<HashSet<_>>();

        for (buffer, diff_handle) in changed_buffers {
@@ -211,7 +317,7 @@ impl AgentDiffPane {
    }

    fn update_title(&mut self, cx: &mut Context<Self>) {
-        let new_title = self.thread.read(cx).summary().unwrap_or("Agent Changes");
+        let new_title = self.thread.summary(cx).unwrap_or("Agent Changes");
        if new_title != self.title {
            self.title = new_title;
            cx.emit(EditorEvent::TitleChanged);
@@ -275,14 +381,15 @@ impl AgentDiffPane {

    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
        self.thread
-            .update(cx, |thread, cx| thread.keep_all_edits(cx));
+            .action_log(cx)
+            .update(cx, |action_log, cx| action_log.keep_all_edits(cx))
    }
 }

 fn keep_edits_in_selection(
    editor: &mut Editor,
    buffer_snapshot: &MultiBufferSnapshot,
-    thread: &Entity<Thread>,
+    thread: &AgentDiffThread,
    window: &mut Window,
    cx: &mut Context<Editor>,
 ) {
@@ -297,7 +404,7 @@ fn keep_edits_in_selection(
 fn reject_edits_in_selection(
    editor: &mut Editor,
    buffer_snapshot: &MultiBufferSnapshot,
-    thread: &Entity<Thread>,
+    thread: &AgentDiffThread,
    window: &mut Window,
    cx: &mut Context<Editor>,
 ) {
@@ -311,7 +418,7 @@ fn reject_edits_in_selection(
 fn keep_edits_in_ranges(
    editor: &mut Editor,
    buffer_snapshot: &MultiBufferSnapshot,
-    thread: &Entity<Thread>,
+    thread: &AgentDiffThread,
    ranges: Vec<Range<editor::Anchor>>,
    window: &mut Window,
    cx: &mut Context<Editor>,
@@ -326,8 +433,8 @@ fn keep_edits_in_ranges(
    for hunk in &diff_hunks_in_ranges {
        let buffer = multibuffer.read(cx).buffer(hunk.buffer_id);
        if let Some(buffer) = buffer {
-            thread.update(cx, |thread, cx| {
-                thread.keep_edits_in_range(buffer, hunk.buffer_range.clone(), cx)
+            thread.action_log(cx).update(cx, |action_log, cx| {
+                action_log.keep_edits_in_range(buffer, hunk.buffer_range.clone(), cx)
            });
        }
    }
@@ -336,7 +443,7 @@ fn keep_edits_in_ranges(
 fn reject_edits_in_ranges(
    editor: &mut Editor,
    buffer_snapshot: &MultiBufferSnapshot,
-    thread: &Entity<Thread>,
+    thread: &AgentDiffThread,
    ranges: Vec<Range<editor::Anchor>>,
    window: &mut Window,
    cx: &mut Context<Editor>,
@@ -362,8 +469,9 @@ fn reject_edits_in_ranges(

    for (buffer, ranges) in ranges_by_buffer {
        thread
-            .update(cx, |thread, cx| {
-                thread.reject_edits_in_ranges(buffer, ranges, cx)
+            .action_log(cx)
+            .update(cx, |action_log, cx| {
+                action_log.reject_edits_in_ranges(buffer, ranges, cx)
            })
            .detach_and_log_err(cx);
    }
@@ -461,7 +569,7 @@ impl Item for AgentDiffPane {
    }

    fn tab_content(&self, params: TabContentParams, _window: &Window, cx: &App) -> AnyElement {
-        let summary = self.thread.read(cx).summary().unwrap_or("Agent Changes");
+        let summary = self.thread.summary(cx).unwrap_or("Agent Changes");
        Label::new(format!("Review: {}", summary))
            .color(if params.selected {
                Color::Default
@@ -641,7 +749,7 @@ impl Render for AgentDiffPane {
    }
 }

-fn diff_hunk_controls(thread: &Entity<Thread>) -> editor::RenderDiffHunkControlsFn {
+fn diff_hunk_controls(thread: &AgentDiffThread) -> editor::RenderDiffHunkControlsFn {
    let thread = thread.clone();

    Arc::new(
@@ -676,7 +784,7 @@ fn render_diff_hunk_controls(
    hunk_range: Range<editor::Anchor>,
    is_created_file: bool,
    line_height: Pixels,
-    thread: &Entity<Thread>,
+    thread: &AgentDiffThread,
    editor: &Entity<Editor>,
    window: &mut Window,
    cx: &mut App,
@@ -1112,11 +1220,8 @@ impl Render for AgentDiffToolbar {
                    return Empty.into_any();
                };

-                let has_pending_edit_tool_use = agent_diff
-                    .read(cx)
-                    .thread
-                    .read(cx)
-                    .has_pending_edit_tool_uses();
+                let has_pending_edit_tool_use =
+                    agent_diff.read(cx).thread.has_pending_edit_tool_uses(cx);

                if has_pending_edit_tool_use {
                    return div().px_2().child(spinner_icon).into_any();
@@ -1187,8 +1292,8 @@ pub enum EditorState {
 }

 struct WorkspaceThread {
-    thread: WeakEntity<Thread>,
-    _thread_subscriptions: [Subscription; 2],
+    thread: WeakAgentDiffThread,
+    _thread_subscriptions: (Subscription, Subscription),
    singleton_editors: HashMap<WeakEntity<Buffer>, HashMap<WeakEntity<Editor>, Subscription>>,
    _settings_subscription: Subscription,
    _workspace_subscription: Option<Subscription>,
@@ -1212,23 +1317,23 @@ impl AgentDiff {

    pub fn set_active_thread(
        workspace: &WeakEntity<Workspace>,
-        thread: &Entity<Thread>,
+        thread: impl Into<AgentDiffThread>,
        window: &mut Window,
        cx: &mut App,
    ) {
        Self::global(cx).update(cx, |this, cx| {
-            this.register_active_thread_impl(workspace, thread, window, cx);
+            this.register_active_thread_impl(workspace, thread.into(), window, cx);
        });
    }

    fn register_active_thread_impl(
        &mut self,
        workspace: &WeakEntity<Workspace>,
-        thread: &Entity<Thread>,
+        thread: AgentDiffThread,
        window: &mut Window,
        cx: &mut Context<Self>,
    ) {
-        let action_log = thread.read(cx).action_log().clone();
+        let action_log = thread.action_log(cx).clone();

        let action_log_subscription = cx.observe_in(&action_log, window, {
            let workspace = workspace.clone();
@@ -1237,17 +1342,25 @@ impl AgentDiff {
            }
        });

-        let thread_subscription = cx.subscribe_in(&thread, window, {
-            let workspace = workspace.clone();
-            move |this, _thread, event, window, cx| {
-                this.handle_thread_event(&workspace, event, window, cx)
-            }
-        });
+        let thread_subscription = match &thread {
+            AgentDiffThread::Native(thread) => cx.subscribe_in(&thread, window, {
+                let workspace = workspace.clone();
+                move |this, _thread, event, window, cx| {
+                    this.handle_native_thread_event(&workspace, event, window, cx)
+                }
+            }),
+            AgentDiffThread::AcpThread(thread) => cx.subscribe_in(&thread, window, {
+                let workspace = workspace.clone();
+                move |this, thread, event, window, cx| {
+                    this.handle_acp_thread_event(&workspace, thread, event, window, cx)
+                }
+            }),
+        };

        if let Some(workspace_thread) = self.workspace_threads.get_mut(&workspace) {
            // replace thread and action log subscription, but keep editors
            workspace_thread.thread = thread.downgrade();
-            workspace_thread._thread_subscriptions = [action_log_subscription, thread_subscription];
+            workspace_thread._thread_subscriptions = (action_log_subscription, thread_subscription);
            self.update_reviewing_editors(&workspace, window, cx);
            return;
        }
@@ -1272,7 +1385,7 @@ impl AgentDiff {
            workspace.clone(),
            WorkspaceThread {
                thread: thread.downgrade(),
-                _thread_subscriptions: [action_log_subscription, thread_subscription],
+                _thread_subscriptions: (action_log_subscription, thread_subscription),
                singleton_editors: HashMap::default(),
                _settings_subscription: settings_subscription,
                _workspace_subscription: workspace_subscription,
@@ -1319,7 +1432,7 @@ impl AgentDiff {

    fn register_review_action<T: Action>(
        workspace: &mut Workspace,
-        review: impl Fn(&Entity<Editor>, &Entity<Thread>, &mut Window, &mut App) -> PostReviewState
+        review: impl Fn(&Entity<Editor>, &AgentDiffThread, &mut Window, &mut App) -> PostReviewState
        + 'static,
        this: &Entity<AgentDiff>,
    ) {
@@ -1338,7 +1451,7 @@ impl AgentDiff {
        });
    }

-    fn handle_thread_event(
+    fn handle_native_thread_event(
        &mut self,
        workspace: &WeakEntity<Workspace>,
        event: &ThreadEvent,
@@ -1375,11 +1488,44 @@ impl AgentDiff {
            | ThreadEvent::ToolConfirmationNeeded
            | ThreadEvent::ToolUseLimitReached
            | ThreadEvent::CancelEditing
-            | ThreadEvent::RetriesFailed { .. }
            | ThreadEvent::ProfileChanged => {}
        }
    }

+    fn handle_acp_thread_event(
+        &mut self,
+        workspace: &WeakEntity<Workspace>,
+        thread: &Entity<AcpThread>,
+        event: &AcpThreadEvent,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        match event {
+            AcpThreadEvent::NewEntry => {
+                if thread
+                    .read(cx)
+                    .entries()
+                    .last()
+                    .and_then(|entry| entry.diff())
+                    .is_some()
+                {
+                    self.update_reviewing_editors(workspace, window, cx);
+                }
+            }
+            AcpThreadEvent::EntryUpdated(ix) => {
+                if thread
+                    .read(cx)
+                    .entries()
+                    .get(*ix)
+                    .and_then(|entry| entry.diff())
+                    .is_some()
+                {
+                    self.update_reviewing_editors(workspace, window, cx);
+                }
+            }
+        }
+    }
+
    fn handle_workspace_event(
        &mut self,
        workspace: &Entity<Workspace>,
@@ -1485,7 +1631,7 @@ impl AgentDiff {
            return;
        };

-        let action_log = thread.read(cx).action_log();
+        let action_log = thread.action_log(cx);
        let changed_buffers = action_log.read(cx).changed_buffers(cx);

        let mut unaffected = self.reviewing_editors.clone();
@@ -1510,7 +1656,7 @@ impl AgentDiff {
                    multibuffer.add_diff(diff_handle.clone(), cx);
                });

-                let new_state = if thread.read(cx).is_generating() {
+                let new_state = if thread.is_generating(cx) {
                    EditorState::Generating
                } else {
                    EditorState::Reviewing
@@ -1606,7 +1752,7 @@ impl AgentDiff {

    fn keep_all(
        editor: &Entity<Editor>,
-        thread: &Entity<Thread>,
+        thread: &AgentDiffThread,
        window: &mut Window,
        cx: &mut App,
    ) -> PostReviewState {
@@ -1626,7 +1772,7 @@ impl AgentDiff {

    fn reject_all(
        editor: &Entity<Editor>,
-        thread: &Entity<Thread>,
+        thread: &AgentDiffThread,
        window: &mut Window,
        cx: &mut App,
    ) -> PostReviewState {
@@ -1646,7 +1792,7 @@ impl AgentDiff {

    fn keep(
        editor: &Entity<Editor>,
-        thread: &Entity<Thread>,
+        thread: &AgentDiffThread,
        window: &mut Window,
        cx: &mut App,
    ) -> PostReviewState {
@@ -1659,7 +1805,7 @@ impl AgentDiff {

    fn reject(
        editor: &Entity<Editor>,
-        thread: &Entity<Thread>,
+        thread: &AgentDiffThread,
        window: &mut Window,
        cx: &mut App,
    ) -> PostReviewState {
@@ -1682,7 +1828,7 @@ impl AgentDiff {
    fn review_in_active_editor(
        &mut self,
        workspace: &mut Workspace,
-        review: impl Fn(&Entity<Editor>, &Entity<Thread>, &mut Window, &mut App) -> PostReviewState,
+        review: impl Fn(&Entity<Editor>, &AgentDiffThread, &mut Window, &mut App) -> PostReviewState,
        window: &mut Window,
        cx: &mut Context<Self>,
    ) -> Option<Task<Result<()>>> {
@@ -1703,7 +1849,7 @@ impl AgentDiff {

        if let PostReviewState::AllReviewed = review(&editor, &thread, window, cx) {
            if let Some(curr_buffer) = editor.read(cx).buffer().read(cx).as_singleton() {
-                let changed_buffers = thread.read(cx).action_log().read(cx).changed_buffers(cx);
+                let changed_buffers = thread.action_log(cx).read(cx).changed_buffers(cx);

                let mut keys = changed_buffers.keys().cycle();
                keys.find(|k| *k == &curr_buffer);
@@ -1801,8 +1947,9 @@ mod tests {
            })
            .await
            .unwrap();
-        let thread = thread_store.update(cx, |store, cx| store.create_thread(cx));
-        let action_log = thread.read_with(cx, |thread, _| thread.action_log().clone());
+        let thread =
+            AgentDiffThread::Native(thread_store.update(cx, |store, cx| store.create_thread(cx)));
+        let action_log = cx.read(|cx| thread.action_log(cx));

        let (workspace, cx) =
            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
@@ -1988,8 +2135,9 @@ mod tests {
        });

        // Set the active thread
+        let thread = AgentDiffThread::Native(thread);
        cx.update(|window, cx| {
-            AgentDiff::set_active_thread(&workspace.downgrade(), &thread, window, cx)
+            AgentDiff::set_active_thread(&workspace.downgrade(), thread.clone(), window, cx)
        });

        let buffer1 = project
--- a/crates/agent_ui/src/agent_panel.rs
+++ b/crates/agent_ui/src/agent_panel.rs
@@ -1,18 +1,23 @@
+use std::cell::RefCell;
 use std::ops::Range;
 use std::path::Path;
 use std::rc::Rc;
 use std::sync::Arc;
 use std::time::Duration;

+use agent_servers::AgentServer;
 use db::kvp::{Dismissable, KEY_VALUE_STORE};
 use serde::{Deserialize, Serialize};

+use crate::NewExternalAgentThread;
+use crate::agent_diff::AgentDiffThread;
 use crate::language_model_selector::ToggleModelSelector;
 use crate::{
    AddContextServer, AgentDiffPane, ContinueThread, ContinueWithBurnMode,
    DeleteRecentlyOpenThread, ExpandMessageEditor, Follow, InlineAssistant, NewTextThread,
    NewThread, OpenActiveThreadAsMarkdown, OpenAgentDiff, OpenHistory, ResetTrialEndUpsell,
    ResetTrialUpsell, ToggleBurnMode, ToggleContextPicker, ToggleNavigationMenu, ToggleOptionsMenu,
+    acp::AcpThreadView,
    active_thread::{self, ActiveThread, ActiveThreadEvent},
    agent_configuration::{AgentConfiguration, AssistantConfigurationEvent},
    agent_diff::AgentDiff,
@@ -38,6 +43,7 @@ use assistant_slash_command::SlashCommandWorkingSet;
 use assistant_tool::ToolWorkingSet;
 use client::{UserStore, zed_urls};
 use editor::{Anchor, AnchorRangeExt as _, Editor, EditorEvent, MultiBuffer};
+use feature_flags::{self, FeatureFlagAppExt};
 use fs::Fs;
 use gpui::{
    Action, Animation, AnimationExt as _, AnyElement, App, AsyncWindowContext, ClipboardItem,
@@ -109,6 +115,14 @@ pub fn init(cx: &mut App) {
                        panel.update(cx, |panel, cx| panel.new_prompt_editor(window, cx));
                    }
                })
+                .register_action(|workspace, action: &NewExternalAgentThread, window, cx| {
+                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
+                        workspace.focus_panel::<AgentPanel>(window, cx);
+                        panel.update(cx, |panel, cx| {
+                            panel.new_external_thread(action.agent, window, cx)
+                        });
+                    }
+                })
                .register_action(|workspace, action: &OpenRulesLibrary, window, cx| {
                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
                        workspace.focus_panel::<AgentPanel>(window, cx);
@@ -125,7 +139,8 @@ pub fn init(cx: &mut App) {
                                let thread = thread.read(cx).thread().clone();
                                AgentDiffPane::deploy_in_workspace(thread, workspace, window, cx);
                            }
-                            ActiveView::TextThread { .. }
+                            ActiveView::ExternalAgentThread { .. }
+                            | ActiveView::TextThread { .. }
                            | ActiveView::History
                            | ActiveView::Configuration => {}
                        }
@@ -188,6 +203,9 @@ enum ActiveView {
        message_editor: Entity<MessageEditor>,
        _subscriptions: Vec<gpui::Subscription>,
    },
+    ExternalAgentThread {
+        thread_view: Entity<AcpThreadView>,
+    },
    TextThread {
        context_editor: Entity<TextThreadEditor>,
        title_editor: Entity<Editor>,
@@ -207,7 +225,9 @@ enum WhichFontSize {
 impl ActiveView {
    pub fn which_font_size_used(&self) -> WhichFontSize {
        match self {
-            ActiveView::Thread { .. } | ActiveView::History => WhichFontSize::AgentFont,
+            ActiveView::Thread { .. }
+            | ActiveView::ExternalAgentThread { .. }
+            | ActiveView::History => WhichFontSize::AgentFont,
            ActiveView::TextThread { .. } => WhichFontSize::BufferFont,
            ActiveView::Configuration => WhichFontSize::None,
        }
@@ -238,6 +258,7 @@ impl ActiveView {
                            thread.scroll_to_bottom(cx);
                        });
                    }
+                    ActiveView::ExternalAgentThread { .. } => {}
                    ActiveView::TextThread { .. }
                    | ActiveView::History
                    | ActiveView::Configuration => {}
@@ -416,11 +437,14 @@ pub struct AgentPanel {
    configuration_subscription: Option<Subscription>,
    local_timezone: UtcOffset,
    active_view: ActiveView,
+    acp_message_history:
+        Rc<RefCell<crate::acp::MessageHistory<agentic_coding_protocol::SendUserMessageParams>>>,
    previous_view: Option<ActiveView>,
    history_store: Entity<HistoryStore>,
    history: Entity<ThreadHistory>,
    hovered_recent_history_item: Option<usize>,
-    assistant_dropdown_menu_handle: PopoverMenuHandle<ContextMenu>,
+    new_thread_menu_handle: PopoverMenuHandle<ContextMenu>,
+    agent_panel_menu_handle: PopoverMenuHandle<ContextMenu>,
    assistant_navigation_menu_handle: PopoverMenuHandle<ContextMenu>,
    assistant_navigation_menu: Option<Entity<ContextMenu>>,
    width: Option<Pixels>,
@@ -607,7 +631,7 @@ impl AgentPanel {
            }
        };

-        AgentDiff::set_active_thread(&workspace, &thread, window, cx);
+        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);

        let weak_panel = weak_self.clone();

@@ -653,7 +677,8 @@ impl AgentPanel {
                            .clone()
                            .update(cx, |thread, cx| thread.get_or_init_configured_model(cx));
                    }
-                    ActiveView::TextThread { .. }
+                    ActiveView::ExternalAgentThread { .. }
+                    | ActiveView::TextThread { .. }
                    | ActiveView::History
                    | ActiveView::Configuration => {}
                },
@@ -680,10 +705,12 @@ impl AgentPanel {
            .unwrap(),
            inline_assist_context_store,
            previous_view: None,
+            acp_message_history: Default::default(),
            history_store: history_store.clone(),
            history: cx.new(|cx| ThreadHistory::new(weak_self, history_store, window, cx)),
            hovered_recent_history_item: None,
-            assistant_dropdown_menu_handle: PopoverMenuHandle::default(),
+            new_thread_menu_handle: PopoverMenuHandle::default(),
+            agent_panel_menu_handle: PopoverMenuHandle::default(),
            assistant_navigation_menu_handle: PopoverMenuHandle::default(),
            assistant_navigation_menu: None,
            width: None,
@@ -733,6 +760,9 @@ impl AgentPanel {
            ActiveView::Thread { thread, .. } => {
                thread.update(cx, |thread, cx| thread.cancel_last_completion(window, cx));
            }
+            ActiveView::ExternalAgentThread { thread_view, .. } => {
+                thread_view.update(cx, |thread_element, cx| thread_element.cancel(cx));
+            }
            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {}
        }
    }
@@ -740,18 +770,18 @@ impl AgentPanel {
    fn active_message_editor(&self) -> Option<&Entity<MessageEditor>> {
        match &self.active_view {
            ActiveView::Thread { message_editor, .. } => Some(message_editor),
-            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => None,
+            ActiveView::ExternalAgentThread { .. }
+            | ActiveView::TextThread { .. }
+            | ActiveView::History
+            | ActiveView::Configuration => None,
        }
    }

    fn new_thread(&mut self, action: &NewThread, window: &mut Window, cx: &mut Context<Self>) {
-        // Preserve chat box text when using creating new thread from summary'
-        let preserved_text = if action.from_thread_id.is_some() {
-            self.active_message_editor()
-                .map(|editor| editor.read(cx).get_text(cx).trim().to_string())
-        } else {
-            None
-        };
+        // Preserve chat box text when using creating new thread
+        let preserved_text = self
+            .active_message_editor()
+            .map(|editor| editor.read(cx).get_text(cx).trim().to_string());

        let thread = self
            .thread_store
@@ -823,7 +853,7 @@ impl AgentPanel {
        let thread_view = ActiveView::thread(active_thread.clone(), message_editor, window, cx);
        self.set_active_view(thread_view, window, cx);

-        AgentDiff::set_active_thread(&self.workspace, &thread, window, cx);
+        AgentDiff::set_active_thread(&self.workspace, thread.clone(), window, cx);
    }

    fn new_prompt_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) {
@@ -862,6 +892,79 @@ impl AgentPanel {
        context_editor.focus_handle(cx).focus(window);
    }

+    fn new_external_thread(
+        &mut self,
+        agent_choice: Option<crate::ExternalAgent>,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let workspace = self.workspace.clone();
+        let project = self.project.clone();
+        let message_history = self.acp_message_history.clone();
+
+        const LAST_USED_EXTERNAL_AGENT_KEY: &str = "agent_panel__last_used_external_agent";
+
+        #[derive(Default, Serialize, Deserialize)]
+        struct LastUsedExternalAgent {
+            agent: crate::ExternalAgent,
+        }
+
+        cx.spawn_in(window, async move |this, cx| {
+            let server: Rc<dyn AgentServer> = match agent_choice {
+                Some(agent) => {
+                    cx.background_spawn(async move {
+                        if let Some(serialized) =
+                            serde_json::to_string(&LastUsedExternalAgent { agent }).log_err()
+                        {
+                            KEY_VALUE_STORE
+                                .write_kvp(LAST_USED_EXTERNAL_AGENT_KEY.to_string(), serialized)
+                                .await
+                                .log_err();
+                        }
+                    })
+                    .detach();
+
+                    agent.server()
+                }
+                None => cx
+                    .background_spawn(async move {
+                        KEY_VALUE_STORE.read_kvp(LAST_USED_EXTERNAL_AGENT_KEY)
+                    })
+                    .await
+                    .log_err()
+                    .flatten()
+                    .and_then(|value| {
+                        serde_json::from_str::<LastUsedExternalAgent>(&value).log_err()
+                    })
+                    .unwrap_or_default()
+                    .agent
+                    .server(),
+            };
+
+            this.update_in(cx, |this, window, cx| {
+                let thread_view = cx.new(|cx| {
+                    crate::acp::AcpThreadView::new(
+                        server,
+                        workspace.clone(),
+                        project,
+                        message_history,
+                        window,
+                        cx,
+                    )
+                });
+
+                this.set_active_view(
+                    ActiveView::ExternalAgentThread {
+                        thread_view: thread_view.clone(),
+                    },
+                    window,
+                    cx,
+                );
+            })
+        })
+        .detach_and_log_err(cx);
+    }
+
    fn deploy_rules_library(
        &mut self,
        action: &OpenRulesLibrary,
@@ -994,6 +1097,7 @@ impl AgentPanel {
                cx,
            )
        });
+
        let message_editor = cx.new(|cx| {
            MessageEditor::new(
                self.fs.clone(),
@@ -1012,7 +1116,7 @@ impl AgentPanel {

        let thread_view = ActiveView::thread(active_thread.clone(), message_editor, window, cx);
        self.set_active_view(thread_view, window, cx);
-        AgentDiff::set_active_thread(&self.workspace, &thread, window, cx);
+        AgentDiff::set_active_thread(&self.workspace, thread.clone(), window, cx);
    }

    pub fn go_back(&mut self, _: &workspace::GoBack, window: &mut Window, cx: &mut Context<Self>) {
@@ -1025,6 +1129,9 @@ impl AgentPanel {
                        ActiveView::Thread { message_editor, .. } => {
                            message_editor.focus_handle(cx).focus(window);
                        }
+                        ActiveView::ExternalAgentThread { thread_view } => {
+                            thread_view.focus_handle(cx).focus(window);
+                        }
                        ActiveView::TextThread { context_editor, .. } => {
                            context_editor.focus_handle(cx).focus(window);
                        }
@@ -1052,7 +1159,7 @@ impl AgentPanel {
        window: &mut Window,
        cx: &mut Context<Self>,
    ) {
-        self.assistant_dropdown_menu_handle.toggle(window, cx);
+        self.agent_panel_menu_handle.toggle(window, cx);
    }

    pub fn increase_font_size(
@@ -1140,11 +1247,19 @@ impl AgentPanel {
                let thread = thread.read(cx).thread().clone();
                self.workspace
                    .update(cx, |workspace, cx| {
-                        AgentDiffPane::deploy_in_workspace(thread, workspace, window, cx)
+                        AgentDiffPane::deploy_in_workspace(
+                            AgentDiffThread::Native(thread),
+                            workspace,
+                            window,
+                            cx,
+                        )
                    })
                    .log_err();
            }
-            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {}
+            ActiveView::ExternalAgentThread { .. }
+            | ActiveView::TextThread { .. }
+            | ActiveView::History
+            | ActiveView::Configuration => {}
        }
    }

@@ -1197,6 +1312,13 @@ impl AgentPanel {
                )
                .detach_and_log_err(cx);
            }
+            ActiveView::ExternalAgentThread { thread_view } => {
+                thread_view
+                    .update(cx, |thread_view, cx| {
+                        thread_view.open_thread_as_markdown(workspace, window, cx)
+                    })
+                    .detach_and_log_err(cx);
+            }
            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {}
        }
    }
@@ -1351,7 +1473,8 @@ impl AgentPanel {
                    }
                })
            }
-            _ => {}
+            ActiveView::ExternalAgentThread { .. } => {}
+            ActiveView::History | ActiveView::Configuration => {}
        }

        if current_is_special && !new_is_special {
@@ -1365,6 +1488,8 @@ impl AgentPanel {
            self.active_view = new_view;
        }

+        self.acp_message_history.borrow_mut().reset_position();
+
        self.focus_handle(cx).focus(window);
    }

@@ -1437,6 +1562,7 @@ impl Focusable for AgentPanel {
    fn focus_handle(&self, cx: &App) -> FocusHandle {
        match &self.active_view {
            ActiveView::Thread { message_editor, .. } => message_editor.focus_handle(cx),
+            ActiveView::ExternalAgentThread { thread_view, .. } => thread_view.focus_handle(cx),
            ActiveView::History => self.history.focus_handle(cx),
            ActiveView::TextThread { context_editor, .. } => context_editor.focus_handle(cx),
            ActiveView::Configuration => {
@@ -1593,6 +1719,11 @@ impl AgentPanel {
                        .into_any_element(),
                }
            }
+            ActiveView::ExternalAgentThread { thread_view } => {
+                Label::new(thread_view.read(cx).title(cx))
+                    .truncate()
+                    .into_any_element()
+            }
            ActiveView::TextThread {
                title_editor,
                context_editor,
@@ -1727,10 +1858,71 @@ impl AgentPanel {

        let active_thread = match &self.active_view {
            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
-            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => None,
+            ActiveView::ExternalAgentThread { .. }
+            | ActiveView::TextThread { .. }
+            | ActiveView::History
+            | ActiveView::Configuration => None,
        };

-        let agent_extra_menu = PopoverMenu::new("agent-options-menu")
+        let new_thread_menu = PopoverMenu::new("new_thread_menu")
+            .trigger_with_tooltip(
+                IconButton::new("new_thread_menu_btn", IconName::Plus).icon_size(IconSize::Small),
+                Tooltip::text("New Thread…"),
+            )
+            .anchor(Corner::TopRight)
+            .with_handle(self.new_thread_menu_handle.clone())
+            .menu(move |window, cx| {
+                let active_thread = active_thread.clone();
+                Some(ContextMenu::build(window, cx, |mut menu, _window, cx| {
+                    menu = menu
+                        .when(cx.has_flag::<feature_flags::AcpFeatureFlag>(), |this| {
+                            this.header("Zed Agent")
+                        })
+                        .action("New Thread", NewThread::default().boxed_clone())
+                        .action("New Text Thread", NewTextThread.boxed_clone())
+                        .when_some(active_thread, |this, active_thread| {
+                            let thread = active_thread.read(cx);
+                            if !thread.is_empty() {
+                                this.action(
+                                    "New From Summary",
+                                    Box::new(NewThread {
+                                        from_thread_id: Some(thread.id().clone()),
+                                    }),
+                                )
+                            } else {
+                                this
+                            }
+                        })
+                        .when(cx.has_flag::<feature_flags::AcpFeatureFlag>(), |this| {
+                            this.separator()
+                                .header("External Agents")
+                                .action(
+                                    "New Gemini Thread",
+                                    NewExternalAgentThread {
+                                        agent: Some(crate::ExternalAgent::Gemini),
+                                    }
+                                    .boxed_clone(),
+                                )
+                                .action(
+                                    "New Claude Code Thread",
+                                    NewExternalAgentThread {
+                                        agent: Some(crate::ExternalAgent::ClaudeCode),
+                                    }
+                                    .boxed_clone(),
+                                )
+                                .action(
+                                    "New Codex Thread",
+                                    NewExternalAgentThread {
+                                        agent: Some(crate::ExternalAgent::Codex),
+                                    }
+                                    .boxed_clone(),
+                                )
+                        });
+                    menu
+                }))
+            });
+
+        let agent_panel_menu = PopoverMenu::new("agent-options-menu")
            .trigger_with_tooltip(
                IconButton::new("agent-options-menu", IconName::Ellipsis)
                    .icon_size(IconSize::Small),
@@ -1748,41 +1940,9 @@ impl AgentPanel {
                },
            )
            .anchor(Corner::TopRight)
-            .with_handle(self.assistant_dropdown_menu_handle.clone())
+            .with_handle(self.agent_panel_menu_handle.clone())
            .menu(move |window, cx| {
-                let active_thread = active_thread.clone();
-                Some(ContextMenu::build(window, cx, |mut menu, _window, cx| {
-                    menu = menu
-                        .action("New Thread", NewThread::default().boxed_clone())
-                        .action("New Text Thread", NewTextThread.boxed_clone())
-                        .when_some(active_thread, |this, active_thread| {
-                            let thread = active_thread.read(cx);
-                            if !thread.is_empty() {
-                                this.action(
-                                    "New From Summary",
-                                    Box::new(NewThread {
-                                        from_thread_id: Some(thread.id().clone()),
-                                    }),
-                                )
-                            } else {
-                                this
-                            }
-                        })
-                        .separator();
-
-                    menu = menu
-                        .header("MCP Servers")
-                        .action(
-                            "View Server Extensions",
-                            Box::new(zed_actions::Extensions {
-                                category_filter: Some(
-                                    zed_actions::ExtensionCategoryFilter::ContextServers,
-                                ),
-                            }),
-                        )
-                        .action("Add Custom Server…", Box::new(AddContextServer))
-                        .separator();
-
+                Some(ContextMenu::build(window, cx, |mut menu, _window, _| {
                    if let Some(usage) = usage {
                        menu = menu
                            .header_with_link("Prompt Usage", "Manage", account_url.clone())
@@ -1820,6 +1980,20 @@ impl AgentPanel {
                            .separator()
                    }

+                    menu = menu
+                        .header("MCP Servers")
+                        .action(
+                            "View Server Extensions",
+                            Box::new(zed_actions::Extensions {
+                                category_filter: Some(
+                                    zed_actions::ExtensionCategoryFilter::ContextServers,
+                                ),
+                                id: None,
+                            }),
+                        )
+                        .action("Add Custom Server…", Box::new(AddContextServer))
+                        .separator();
+
                    menu = menu
                        .action("Rules…", Box::new(OpenRulesLibrary::default()))
                        .action("Settings", Box::new(OpenConfiguration))
@@ -1861,71 +2035,52 @@ impl AgentPanel {
                            .px(DynamicSpacing::Base08.rems(cx))
                            .border_l_1()
                            .border_color(cx.theme().colors().border)
-                            .child(
-                                IconButton::new("new", IconName::Plus)
-                                    .icon_size(IconSize::Small)
-                                    .style(ButtonStyle::Subtle)
-                                    .tooltip(move |window, cx| {
-                                        Tooltip::for_action_in(
-                                            "New Thread",
-                                            &NewThread::default(),
-                                            &focus_handle,
-                                            window,
-                                            cx,
-                                        )
-                                    })
-                                    .on_click(move |_event, window, cx| {
-                                        window.dispatch_action(
-                                            NewThread::default().boxed_clone(),
-                                            cx,
-                                        );
-                                    }),
-                            )
-                            .child(agent_extra_menu),
+                            .child(new_thread_menu)
+                            .child(agent_panel_menu),
                    ),
            )
    }

    fn render_token_count(&self, cx: &App) -> Option<AnyElement> {
-        let (active_thread, message_editor) = match &self.active_view {
+        match &self.active_view {
            ActiveView::Thread {
                thread,
                message_editor,
                ..
-            } => (thread.read(cx), message_editor.read(cx)),
-            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {
-                return None;
-            }
-        };
+            } => {
+                let active_thread = thread.read(cx);
+                let message_editor = message_editor.read(cx);

-        let editor_empty = message_editor.is_editor_fully_empty(cx);
+                let editor_empty = message_editor.is_editor_fully_empty(cx);

-        if active_thread.is_empty() && editor_empty {
-            return None;
-        }
+                if active_thread.is_empty() && editor_empty {
+                    return None;
+                }

-        let thread = active_thread.thread().read(cx);
-        let is_generating = thread.is_generating();
-        let conversation_token_usage = thread.total_token_usage()?;
+                let thread = active_thread.thread().read(cx);
+                let is_generating = thread.is_generating();
+                let conversation_token_usage = thread.total_token_usage()?;

-        let (total_token_usage, is_estimating) =
-            if let Some((editing_message_id, unsent_tokens)) = active_thread.editing_message_id() {
-                let combined = thread
-                    .token_usage_up_to_message(editing_message_id)
-                    .add(unsent_tokens);
+                let (total_token_usage, is_estimating) =
+                    if let Some((editing_message_id, unsent_tokens)) =
+                        active_thread.editing_message_id()
+                    {
+                        let combined = thread
+                            .token_usage_up_to_message(editing_message_id)
+                            .add(unsent_tokens);

-                (combined, unsent_tokens > 0)
-            } else {
-                let unsent_tokens = message_editor.last_estimated_token_count().unwrap_or(0);
-                let combined = conversation_token_usage.add(unsent_tokens);
+                        (combined, unsent_tokens > 0)
+                    } else {
+                        let unsent_tokens =
+                            message_editor.last_estimated_token_count().unwrap_or(0);
+                        let combined = conversation_token_usage.add(unsent_tokens);

-                (combined, unsent_tokens > 0)
-            };
+                        (combined, unsent_tokens > 0)
+                    };

-        let is_waiting_to_update_token_count = message_editor.is_waiting_to_update_token_count();
+                let is_waiting_to_update_token_count =
+                    message_editor.is_waiting_to_update_token_count();

-        match &self.active_view {
-            ActiveView::Thread { .. } => {
                if total_token_usage.total == 0 {
                    return None;
                }
@@ -2002,7 +2157,11 @@ impl AgentPanel {

                Some(element.into_any_element())
            }
-            _ => None,
+            ActiveView::ExternalAgentThread { .. }
+            | ActiveView::History
+            | ActiveView::Configuration => {
+                return None;
+            }
        }
    }

@@ -2031,6 +2190,9 @@ impl AgentPanel {
                    return false;
                }
            }
+            ActiveView::ExternalAgentThread { .. } => {
+                return false;
+            }
            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {
                return false;
            }
@@ -2615,6 +2777,9 @@ impl AgentPanel {
    ) -> Option<AnyElement> {
        let active_thread = match &self.active_view {
            ActiveView::Thread { thread, .. } => thread,
+            ActiveView::ExternalAgentThread { .. } => {
+                return None;
+            }
            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {
                return None;
            }
@@ -2961,6 +3126,9 @@ impl AgentPanel {
                    .detach();
                });
            }
+            ActiveView::ExternalAgentThread { .. } => {
+                unimplemented!()
+            }
            ActiveView::TextThread { context_editor, .. } => {
                context_editor.update(cx, |context_editor, cx| {
                    TextThreadEditor::insert_dragged_files(
@@ -2979,8 +3147,10 @@ impl AgentPanel {
    fn key_context(&self) -> KeyContext {
        let mut key_context = KeyContext::new_with_defaults();
        key_context.add("AgentPanel");
-        if matches!(self.active_view, ActiveView::TextThread { .. }) {
-            key_context.add("prompt_editor");
+        match &self.active_view {
+            ActiveView::ExternalAgentThread { .. } => key_context.add("external_agent_thread"),
+            ActiveView::TextThread { .. } => key_context.add("prompt_editor"),
+            ActiveView::Thread { .. } | ActiveView::History | ActiveView::Configuration => {}
        }
        key_context
    }
@@ -3034,6 +3204,7 @@ impl Render for AgentPanel {
                        });
                        this.continue_conversation(window, cx);
                    }
+                    ActiveView::ExternalAgentThread { .. } => {}
                    ActiveView::TextThread { .. }
                    | ActiveView::History
                    | ActiveView::Configuration => {}
@@ -3075,6 +3246,10 @@ impl Render for AgentPanel {
                    })
                    .child(h_flex().child(message_editor.clone()))
                    .child(self.render_drag_target(cx)),
+                ActiveView::ExternalAgentThread { thread_view, .. } => parent
+                    .relative()
+                    .child(thread_view.clone())
+                    .child(self.render_drag_target(cx)),
                ActiveView::History => parent.child(self.history.clone()),
                ActiveView::TextThread {
                    context_editor,
--- a/crates/agent_ui/src/agent_ui.rs
+++ b/crates/agent_ui/src/agent_ui.rs
@@ -1,3 +1,4 @@
+mod acp;
 mod active_thread;
 mod agent_configuration;
 mod agent_diff;
@@ -24,6 +25,7 @@ mod thread_history;
 mod tool_compatibility;
 mod ui;

+use std::rc::Rc;
 use std::sync::Arc;

 use agent::{Thread, ThreadId};
@@ -39,7 +41,7 @@ use language_model::{
 };
 use prompt_store::PromptBuilder;
 use schemars::JsonSchema;
-use serde::Deserialize;
+use serde::{Deserialize, Serialize};
 use settings::{Settings as _, SettingsStore};

 pub use crate::active_thread::ActiveThread;
@@ -76,8 +78,6 @@ actions!(
        AddContextServer,
        /// Removes the currently selected thread.
        RemoveSelectedThread,
-        /// Starts a chat conversation with the agent.
-        Chat,
        /// Starts a chat conversation with follow-up enabled.
        ChatWithFollow,
        /// Cycles to the next inline assist suggestion.
@@ -132,6 +132,34 @@ pub struct NewThread {
    from_thread_id: Option<ThreadId>,
 }

+/// Creates a new external agent conversation thread.
+#[derive(Default, Clone, PartialEq, Deserialize, JsonSchema, Action)]
+#[action(namespace = agent)]
+#[serde(deny_unknown_fields)]
+pub struct NewExternalAgentThread {
+    /// Which agent to use for the conversation.
+    agent: Option<ExternalAgent>,
+}
+
+#[derive(Default, Clone, Copy, PartialEq, Serialize, Deserialize, JsonSchema)]
+#[serde(rename_all = "snake_case")]
+enum ExternalAgent {
+    #[default]
+    Gemini,
+    ClaudeCode,
+    Codex,
+}
+
+impl ExternalAgent {
+    pub fn server(&self) -> Rc<dyn agent_servers::AgentServer> {
+        match self {
+            ExternalAgent::Gemini => Rc::new(agent_servers::Gemini),
+            ExternalAgent::ClaudeCode => Rc::new(agent_servers::ClaudeCode),
+            ExternalAgent::Codex => Rc::new(agent_servers::Codex),
+        }
+    }
+}
+
 /// Opens the profile management interface for configuring agent tools and settings.
 #[derive(PartialEq, Clone, Default, Debug, Deserialize, JsonSchema, Action)]
 #[action(namespace = agent)]
--- a/crates/agent_ui/src/buffer_codegen.rs
+++ b/crates/agent_ui/src/buffer_codegen.rs
@@ -475,6 +475,7 @@ impl CodegenAlternative {
                stop: Vec::new(),
                temperature,
                messages: vec![request_message],
+                thinking_allowed: false,
            }
        }))
    }
--- a/crates/agent_ui/src/context_picker.rs
+++ b/crates/agent_ui/src/context_picker.rs
@@ -1,6 +1,6 @@
 mod completion_provider;
 mod fetch_context_picker;
-mod file_context_picker;
+pub(crate) mod file_context_picker;
 mod rules_context_picker;
 mod symbol_context_picker;
 mod thread_context_picker;
--- a/crates/agent_ui/src/inline_assistant.rs
+++ b/crates/agent_ui/src/inline_assistant.rs
@@ -660,7 +660,6 @@ impl InlineAssistant {
                height: Some(prompt_editor_height),
                render: build_assist_editor_renderer(prompt_editor),
                priority: 0,
-                render_in_minimap: false,
            },
            BlockProperties {
                style: BlockStyle::Sticky,
@@ -675,7 +674,6 @@ impl InlineAssistant {
                        .into_any_element()
                }),
                priority: 0,
-                render_in_minimap: false,
            },
        ];

@@ -1451,7 +1449,6 @@ impl InlineAssistant {
                            .into_any_element()
                    }),
                    priority: 0,
-                    render_in_minimap: false,
                });
            }

--- a/crates/agent_ui/src/message_editor.rs
+++ b/crates/agent_ui/src/message_editor.rs
@@ -2,6 +2,7 @@ use std::collections::BTreeMap;
 use std::rc::Rc;
 use std::sync::Arc;

+use crate::agent_diff::AgentDiffThread;
 use crate::agent_model_selector::AgentModelSelector;
 use crate::language_model_selector::ToggleModelSelector;
 use crate::tool_compatibility::{IncompatibleToolsState, IncompatibleToolsTooltip};
@@ -47,13 +48,14 @@ use ui::{
 };
 use util::ResultExt as _;
 use workspace::{CollaboratorId, Workspace};
+use zed_actions::agent::Chat;
 use zed_llm_client::CompletionIntent;

 use crate::context_picker::{ContextPicker, ContextPickerCompletionProvider, crease_for_mention};
 use crate::context_strip::{ContextStrip, ContextStripEvent, SuggestContextKind};
 use crate::profile_selector::ProfileSelector;
 use crate::{
-    ActiveThread, AgentDiffPane, Chat, ChatWithFollow, ExpandMessageEditor, Follow, KeepAll,
+    ActiveThread, AgentDiffPane, ChatWithFollow, ExpandMessageEditor, Follow, KeepAll,
    ModelUsageContext, NewThread, OpenAgentDiff, RejectAll, RemoveAllContext, ToggleBurnMode,
    ToggleContextPicker, ToggleProfileSelector, register_agent_preview,
 };
@@ -474,9 +476,12 @@ impl MessageEditor {
        window: &mut Window,
        cx: &mut Context<Self>,
    ) {
-        if let Ok(diff) =
-            AgentDiffPane::deploy(self.thread.clone(), self.workspace.clone(), window, cx)
-        {
+        if let Ok(diff) = AgentDiffPane::deploy(
+            AgentDiffThread::Native(self.thread.clone()),
+            self.workspace.clone(),
+            window,
+            cx,
+        ) {
            let path_key = multi_buffer::PathKey::for_buffer(&buffer, cx);
            diff.update(cx, |diff, cx| diff.move_to_path(path_key, window, cx));
        }
@@ -1453,6 +1458,7 @@ impl MessageEditor {
                        tool_choice: None,
                        stop: vec![],
                        temperature: AgentSettings::temperature_for_model(&model.model, cx),
+                        thinking_allowed: true,
                    };

                    Some(model.model.count_tokens(request, cx))
@@ -1620,6 +1626,7 @@ impl Render for MessageEditor {

        v_flex()
            .size_full()
+            .bg(cx.theme().colors().panel_background)
            .when(changed_buffers.len() > 0, |parent| {
                parent.child(self.render_edits_bar(&changed_buffers, window, cx))
            })
--- a/crates/agent_ui/src/terminal_inline_assistant.rs
+++ b/crates/agent_ui/src/terminal_inline_assistant.rs
@@ -297,6 +297,7 @@ impl TerminalInlineAssistant {
                tool_choice: None,
                stop: Vec::new(),
                temperature,
+                thinking_allowed: false,
            }
        }))
    }
--- a/crates/agent_ui/src/text_thread_editor.rs
+++ b/crates/agent_ui/src/text_thread_editor.rs
@@ -1256,7 +1256,6 @@ impl TextThreadEditor {
                ),
                priority: usize::MAX,
                render: render_block(MessageMetadata::from(message)),
-                render_in_minimap: false,
            };
            let mut new_blocks = vec![];
            let mut block_index_to_message = vec![];
@@ -1858,7 +1857,6 @@ impl TextThreadEditor {
                                .into_any_element()
                        }),
                        priority: 0,
-                        render_in_minimap: false,
                    })
                })
                .collect::<Vec<_>>();
--- a/crates/assistant_context/src/assistant_context.rs
+++ b/crates/assistant_context/src/assistant_context.rs
@@ -2293,6 +2293,7 @@ impl AssistantContext {
            tool_choice: None,
            stop: Vec::new(),
            temperature: model.and_then(|model| AgentSettings::temperature_for_model(model, cx)),
+            thinking_allowed: true,
        };
        for message in self.messages(cx) {
            if message.status != MessageStatus::Done {
--- a/crates/assistant_slash_command/src/extension_slash_command.rs
+++ b/crates/assistant_slash_command/src/extension_slash_command.rs
@@ -34,6 +34,11 @@ impl ExtensionSlashCommandProxy for SlashCommandRegistryProxy {
        self.slash_command_registry
            .register_command(ExtensionSlashCommand::new(extension, command), false)
    }
+
+    fn unregister_slash_command(&self, command_name: Arc<str>) {
+        self.slash_command_registry
+            .unregister_command_by_name(&command_name)
+    }
 }

 /// An adapter that allows an [`LspAdapterDelegate`] to be used as a [`WorktreeDelegate`].
--- a/crates/assistant_tool/Cargo.toml
+++ b/crates/assistant_tool/Cargo.toml
@@ -40,6 +40,7 @@ collections = { workspace = true, features = ["test-support"] }
 clock = { workspace = true, features = ["test-support"] }
 ctor.workspace = true
 gpui = { workspace = true, features = ["test-support"] }
+indoc.workspace = true
 language = { workspace = true, features = ["test-support"] }
 language_model = { workspace = true, features = ["test-support"] }
 log.workspace = true
--- a/crates/assistant_tool/src/action_log.rs
+++ b/crates/assistant_tool/src/action_log.rs
@@ -8,7 +8,10 @@ use language::{Anchor, Buffer, BufferEvent, DiskState, Point, ToPoint};
 use project::{Project, ProjectItem, lsp_store::OpenLspBufferHandle};
 use std::{cmp, ops::Range, sync::Arc};
 use text::{Edit, Patch, Rope};
-use util::RangeExt;
+use util::{
+    RangeExt, ResultExt as _,
+    paths::{PathStyle, RemotePathBuf},
+};

 /// Tracks actions performed by tools in a thread
 pub struct ActionLog {
@@ -18,8 +21,6 @@ pub struct ActionLog {
    edited_since_project_diagnostics_check: bool,
    /// The project this action log is associated with
    project: Entity<Project>,
-    /// Tracks which buffer versions have already been notified as changed externally
-    notified_versions: BTreeMap<Entity<Buffer>, clock::Global>,
 }

 impl ActionLog {
@@ -29,7 +30,6 @@ impl ActionLog {
            tracked_buffers: BTreeMap::default(),
            edited_since_project_diagnostics_check: false,
            project,
-            notified_versions: BTreeMap::default(),
        }
    }

@@ -47,6 +47,71 @@ impl ActionLog {
        self.edited_since_project_diagnostics_check
    }

+    pub fn latest_snapshot(&self, buffer: &Entity<Buffer>) -> Option<text::BufferSnapshot> {
+        Some(self.tracked_buffers.get(buffer)?.snapshot.clone())
+    }
+
+    pub fn has_unnotified_user_edits(&self) -> bool {
+        self.tracked_buffers
+            .values()
+            .any(|tracked| tracked.has_unnotified_user_edits)
+    }
+
+    /// Return a unified diff patch with user edits made since last read or notification
+    pub fn unnotified_user_edits(&self, cx: &Context<Self>) -> Option<String> {
+        if !self.has_unnotified_user_edits() {
+            return None;
+        }
+
+        let unified_diff = self
+            .tracked_buffers
+            .values()
+            .filter_map(|tracked| {
+                if !tracked.has_unnotified_user_edits {
+                    return None;
+                }
+
+                let text_with_latest_user_edits = tracked.diff_base.to_string();
+                let text_with_last_seen_user_edits = tracked.last_seen_base.to_string();
+                if text_with_latest_user_edits == text_with_last_seen_user_edits {
+                    return None;
+                }
+                let patch = language::unified_diff(
+                    &text_with_last_seen_user_edits,
+                    &text_with_latest_user_edits,
+                );
+
+                let buffer = tracked.buffer.clone();
+                let file_path = buffer
+                    .read(cx)
+                    .file()
+                    .map(|file| RemotePathBuf::new(file.full_path(cx), PathStyle::Posix).to_proto())
+                    .unwrap_or_else(|| format!("buffer_{}", buffer.entity_id()));
+
+                let mut result = String::new();
+                result.push_str(&format!("--- a/{}\n", file_path));
+                result.push_str(&format!("+++ b/{}\n", file_path));
+                result.push_str(&patch);
+
+                Some(result)
+            })
+            .collect::<Vec<_>>()
+            .join("\n\n");
+
+        Some(unified_diff)
+    }
+
+    /// Return a unified diff patch with user edits made since last read/notification
+    /// and mark them as notified
+    pub fn flush_unnotified_user_edits(&mut self, cx: &Context<Self>) -> Option<String> {
+        let patch = self.unnotified_user_edits(cx);
+        self.tracked_buffers.values_mut().for_each(|tracked| {
+            tracked.has_unnotified_user_edits = false;
+            tracked.last_seen_base = tracked.diff_base.clone();
+        });
+        patch
+    }
+
    fn track_buffer_internal(
        &mut self,
        buffer: Entity<Buffer>,
@@ -55,7 +120,6 @@ impl ActionLog {
    ) -> &mut TrackedBuffer {
        let status = if is_created {
            if let Some(tracked) = self.tracked_buffers.remove(&buffer) {
-                self.notified_versions.remove(&buffer);
                match tracked.status {
                    TrackedBufferStatus::Created {
                        existing_file_content,
@@ -97,26 +161,31 @@ impl ActionLog {
                let diff = cx.new(|cx| BufferDiff::new(&text_snapshot, cx));
                let (diff_update_tx, diff_update_rx) = mpsc::unbounded();
                let diff_base;
+                let last_seen_base;
                let unreviewed_edits;
                if is_created {
                    diff_base = Rope::default();
+                    last_seen_base = Rope::default();
                    unreviewed_edits = Patch::new(vec![Edit {
                        old: 0..1,
                        new: 0..text_snapshot.max_point().row + 1,
                    }])
                } else {
                    diff_base = buffer.read(cx).as_rope().clone();
+                    last_seen_base = diff_base.clone();
                    unreviewed_edits = Patch::default();
                }
                TrackedBuffer {
                    buffer: buffer.clone(),
                    diff_base,
+                    last_seen_base,
                    unreviewed_edits,
                    snapshot: text_snapshot.clone(),
                    status,
                    version: buffer.read(cx).version(),
                    diff,
                    diff_update: diff_update_tx,
+                    has_unnotified_user_edits: false,
                    _open_lsp_handle: open_lsp_handle,
                    _maintain_diff: cx.spawn({
                        let buffer = buffer.clone();
@@ -170,7 +239,6 @@ impl ActionLog {
                    // If the buffer had been edited by a tool, but it got
                    // deleted externally, we want to stop tracking it.
                    self.tracked_buffers.remove(&buffer);
-                    self.notified_versions.remove(&buffer);
                }
                cx.notify();
            }
@@ -184,7 +252,6 @@ impl ActionLog {
                    // resurrected externally, we want to clear the edits we
                    // were tracking and reset the buffer's state.
                    self.tracked_buffers.remove(&buffer);
-                    self.notified_versions.remove(&buffer);
                    self.track_buffer_internal(buffer, false, cx);
                }
                cx.notify();
@@ -258,10 +325,10 @@ impl ActionLog {
        buffer_snapshot: text::BufferSnapshot,
        cx: &mut AsyncApp,
    ) -> Result<()> {
-        let rebase = this.read_with(cx, |this, cx| {
+        let rebase = this.update(cx, |this, cx| {
            let tracked_buffer = this
                .tracked_buffers
-                .get(buffer)
+                .get_mut(buffer)
                .context("buffer not tracked")?;

            let rebase = cx.background_spawn({
@@ -269,8 +336,13 @@ impl ActionLog {
                let old_snapshot = tracked_buffer.snapshot.clone();
                let new_snapshot = buffer_snapshot.clone();
                let unreviewed_edits = tracked_buffer.unreviewed_edits.clone();
+                let edits = diff_snapshots(&old_snapshot, &new_snapshot);
+                if let ChangeAuthor::User = author
+                    && !edits.is_empty()
+                {
+                    tracked_buffer.has_unnotified_user_edits = true;
+                }
                async move {
-                    let edits = diff_snapshots(&old_snapshot, &new_snapshot);
                    if let ChangeAuthor::User = author {
                        apply_non_conflicting_edits(
                            &unreviewed_edits,
@@ -490,7 +562,6 @@ impl ActionLog {
        match tracked_buffer.status {
            TrackedBufferStatus::Created { .. } => {
                self.tracked_buffers.remove(&buffer);
-                self.notified_versions.remove(&buffer);
                cx.notify();
            }
            TrackedBufferStatus::Modified => {
@@ -516,7 +587,6 @@ impl ActionLog {
        match tracked_buffer.status {
            TrackedBufferStatus::Deleted => {
                self.tracked_buffers.remove(&buffer);
-                self.notified_versions.remove(&buffer);
                cx.notify();
            }
            _ => {
@@ -625,7 +695,6 @@ impl ActionLog {
                };

                self.tracked_buffers.remove(&buffer);
-                self.notified_versions.remove(&buffer);
                cx.notify();
                task
            }
@@ -639,7 +708,6 @@ impl ActionLog {

                // Clear all tracked edits for this buffer and start over as if we just read it.
                self.tracked_buffers.remove(&buffer);
-                self.notified_versions.remove(&buffer);
                self.buffer_read(buffer.clone(), cx);
                cx.notify();
                save
@@ -715,6 +783,22 @@ impl ActionLog {
        cx.notify();
    }

+    pub fn reject_all_edits(&mut self, cx: &mut Context<Self>) -> Task<()> {
+        let futures = self.changed_buffers(cx).into_keys().map(|buffer| {
+            let reject = self.reject_edits_in_ranges(buffer, vec![Anchor::MIN..Anchor::MAX], cx);
+
+            async move {
+                reject.await.log_err();
+            }
+        });
+
+        let task = futures::future::join_all(futures);
+
+        cx.spawn(async move |_, _| {
+            task.await;
+        })
+    }
+
    /// Returns the set of buffers that contain edits that haven't been reviewed by the user.
    pub fn changed_buffers(&self, cx: &App) -> BTreeMap<Entity<Buffer>, Entity<BufferDiff>> {
        self.tracked_buffers
@@ -724,33 +808,6 @@ impl ActionLog {
            .collect()
    }

-    /// Returns stale buffers that haven't been notified yet
-    pub fn unnotified_stale_buffers<'a>(
-        &'a self,
-        cx: &'a App,
-    ) -> impl Iterator<Item = &'a Entity<Buffer>> {
-        self.stale_buffers(cx).filter(|buffer| {
-            let buffer_entity = buffer.read(cx);
-            self.notified_versions
-                .get(buffer)
-                .map_or(true, |notified_version| {
-                    *notified_version != buffer_entity.version
-                })
-        })
-    }
-
-    /// Marks the given buffers as notified at their current versions
-    pub fn mark_buffers_as_notified(
-        &mut self,
-        buffers: impl IntoIterator<Item = Entity<Buffer>>,
-        cx: &App,
-    ) {
-        for buffer in buffers {
-            let version = buffer.read(cx).version.clone();
-            self.notified_versions.insert(buffer, version);
-        }
-    }
-
    /// Iterate over buffers changed since last read or edited by the model
    pub fn stale_buffers<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = &'a Entity<Buffer>> {
        self.tracked_buffers
@@ -894,12 +951,14 @@ enum TrackedBufferStatus {
 struct TrackedBuffer {
    buffer: Entity<Buffer>,
    diff_base: Rope,
+    last_seen_base: Rope,
    unreviewed_edits: Patch<u32>,
    status: TrackedBufferStatus,
    version: clock::Global,
    diff: Entity<BufferDiff>,
    snapshot: text::BufferSnapshot,
    diff_update: mpsc::UnboundedSender<(ChangeAuthor, text::BufferSnapshot)>,
+    has_unnotified_user_edits: bool,
    _open_lsp_handle: OpenLspBufferHandle,
    _maintain_diff: Task<()>,
    _subscription: Subscription,
@@ -930,6 +989,7 @@ mod tests {
    use super::*;
    use buffer_diff::DiffHunkStatusKind;
    use gpui::TestAppContext;
+    use indoc::indoc;
    use language::Point;
    use project::{FakeFs, Fs, Project, RemoveOptions};
    use rand::prelude::*;
@@ -1212,6 +1272,110 @@ mod tests {
        assert_eq!(unreviewed_hunks(&action_log, cx), vec![]);
    }

+    #[gpui::test(iterations = 10)]
+    async fn test_user_edits_notifications(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            path!("/dir"),
+            json!({"file": indoc! {"
+            abc
+            def
+            ghi
+            jkl
+            mno"}}),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [path!("/dir").as_ref()], cx).await;
+        let action_log = cx.new(|_| ActionLog::new(project.clone()));
+        let file_path = project
+            .read_with(cx, |project, cx| project.find_project_path("dir/file", cx))
+            .unwrap();
+        let buffer = project
+            .update(cx, |project, cx| project.open_buffer(file_path, cx))
+            .await
+            .unwrap();
+
+        // Agent edits
+        cx.update(|cx| {
+            action_log.update(cx, |log, cx| log.buffer_read(buffer.clone(), cx));
+            buffer.update(cx, |buffer, cx| {
+                buffer
+                    .edit([(Point::new(1, 2)..Point::new(2, 3), "F\nGHI")], None, cx)
+                    .unwrap()
+            });
+            action_log.update(cx, |log, cx| log.buffer_edited(buffer.clone(), cx));
+        });
+        cx.run_until_parked();
+        assert_eq!(
+            buffer.read_with(cx, |buffer, _| buffer.text()),
+            indoc! {"
+                abc
+                deF
+                GHI
+                jkl
+                mno"}
+        );
+        assert_eq!(
+            unreviewed_hunks(&action_log, cx),
+            vec![(
+                buffer.clone(),
+                vec![HunkStatus {
+                    range: Point::new(1, 0)..Point::new(3, 0),
+                    diff_status: DiffHunkStatusKind::Modified,
+                    old_text: "def\nghi\n".into(),
+                }],
+            )]
+        );
+
+        // User edits
+        buffer.update(cx, |buffer, cx| {
+            buffer.edit(
+                [
+                    (Point::new(0, 2)..Point::new(0, 2), "X"),
+                    (Point::new(3, 0)..Point::new(3, 0), "Y"),
+                ],
+                None,
+                cx,
+            )
+        });
+        cx.run_until_parked();
+        assert_eq!(
+            buffer.read_with(cx, |buffer, _| buffer.text()),
+            indoc! {"
+                abXc
+                deF
+                GHI
+                Yjkl
+                mno"}
+        );
+
+        // User edits should be stored separately from agent's
+        let user_edits = action_log.update(cx, |log, cx| log.unnotified_user_edits(cx));
+        assert_eq!(
+            user_edits.expect("should have some user edits"),
+            indoc! {"
+                --- a/dir/file
+                +++ b/dir/file
+                @@ -1,5 +1,5 @@
+                -abc
+                +abXc
+                 def
+                 ghi
+                -jkl
+                +Yjkl
+                 mno
+            "}
+        );
+
+        action_log.update(cx, |log, cx| {
+            log.keep_edits_in_range(buffer.clone(), Point::new(0, 0)..Point::new(1, 0), cx)
+        });
+        cx.run_until_parked();
+        assert_eq!(unreviewed_hunks(&action_log, cx), vec![]);
+    }
+
    #[gpui::test(iterations = 10)]
    async fn test_creating_files(cx: &mut TestAppContext) {
        init_test(cx);
@@ -2201,4 +2365,61 @@ mod tests {
                .collect()
        })
    }
+
+    #[gpui::test]
+    async fn test_format_patch(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            path!("/dir"),
+            json!({"test.txt": "line 1\nline 2\nline 3\n"}),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [path!("/dir").as_ref()], cx).await;
+        let action_log = cx.new(|_| ActionLog::new(project.clone()));
+
+        let file_path = project
+            .read_with(cx, |project, cx| {
+                project.find_project_path("dir/test.txt", cx)
+            })
+            .unwrap();
+        let buffer = project
+            .update(cx, |project, cx| project.open_buffer(file_path, cx))
+            .await
+            .unwrap();
+
+        cx.update(|cx| {
+            // Track the buffer and mark it as read first
+            action_log.update(cx, |log, cx| {
+                log.buffer_read(buffer.clone(), cx);
+            });
+
+            // Make some edits to create a patch
+            buffer.update(cx, |buffer, cx| {
+                buffer
+                    .edit([(Point::new(1, 0)..Point::new(1, 6), "CHANGED")], None, cx)
+                    .unwrap(); // Replace "line2" with "CHANGED"
+            });
+        });
+
+        cx.run_until_parked();
+
+        // Get the patch
+        let patch = action_log.update(cx, |log, cx| log.unnotified_user_edits(cx));
+
+        // Verify the patch format contains expected unified diff elements
+        assert_eq!(
+            patch.unwrap(),
+            indoc! {"
+            --- a/dir/test.txt
+            +++ b/dir/test.txt
+            @@ -1,3 +1,3 @@
+             line 1
+            -line 2
+            +CHANGED
+             line 3
+            "}
+        );
+    }
 }
--- a/crates/assistant_tools/Cargo.toml
+++ b/crates/assistant_tools/Cargo.toml
@@ -63,6 +63,7 @@ which.workspace = true
 workspace-hack.workspace = true
 workspace.workspace = true
 zed_llm_client.workspace = true
+diffy = "0.4.2"

 [dev-dependencies]
 lsp = { workspace = true, features = ["test-support"] }
--- a/crates/assistant_tools/src/copy_path_tool.rs
+++ b/crates/assistant_tools/src/copy_path_tool.rs
@@ -57,7 +57,7 @@ impl Tool for CopyPathTool {
    }

    fn icon(&self) -> IconName {
-        IconName::Clipboard
+        IconName::ToolCopy
    }

    fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value> {
--- a/crates/assistant_tools/src/create_directory_tool.rs
+++ b/crates/assistant_tools/src/create_directory_tool.rs
@@ -46,7 +46,7 @@ impl Tool for CreateDirectoryTool {
    }

    fn icon(&self) -> IconName {
-        IconName::Folder
+        IconName::ToolFolder
    }

    fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value> {
--- a/crates/assistant_tools/src/delete_path_tool.rs
+++ b/crates/assistant_tools/src/delete_path_tool.rs
@@ -46,7 +46,7 @@ impl Tool for DeletePathTool {
    }

    fn icon(&self) -> IconName {
-        IconName::FileDelete
+        IconName::ToolDeleteFile
    }

    fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value> {
--- a/crates/assistant_tools/src/diagnostics_tool.rs
+++ b/crates/assistant_tools/src/diagnostics_tool.rs
@@ -59,7 +59,7 @@ impl Tool for DiagnosticsTool {
    }

    fn icon(&self) -> IconName {
-        IconName::XCircle
+        IconName::ToolDiagnostics
    }

    fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value> {
--- a/crates/assistant_tools/src/edit_agent.rs
+++ b/crates/assistant_tools/src/edit_agent.rs
@@ -719,6 +719,7 @@ impl EditAgent {
            tools,
            stop: Vec::new(),
            temperature: None,
+            thinking_allowed: true,
        };

        Ok(self.model.stream_completion_text(request, cx).await?.stream)
--- a/crates/assistant_tools/src/edit_agent/evals.rs
+++ b/crates/assistant_tools/src/edit_agent/evals.rs
@@ -365,17 +365,23 @@ fn eval_disable_cursor_blinking() {
    //  Model                          | Pass rate
    // ============================================
    //
-    //  claude-3.7-sonnet              |  0.99 (2025-06-14)
-    //  claude-sonnet-4                |  0.85 (2025-06-14)
-    //  gemini-2.5-pro-preview-latest  |  0.97 (2025-06-16)
-    //  gemini-2.5-flash-preview-04-17 |
-    //  gpt-4.1                        |
+    //  claude-3.7-sonnet              |  0.59 (2025-07-14)
+    //  claude-sonnet-4                |  0.81 (2025-07-14)
+    //  gemini-2.5-pro                 |  0.95 (2025-07-14)
+    //  gemini-2.5-flash-preview-04-17 |  0.78 (2025-07-14)
+    //  gpt-4.1                        |  0.00 (2025-07-14) (follows edit_description too literally)
    let input_file_path = "root/editor.rs";
    let input_file_content = include_str!("evals/fixtures/disable_cursor_blinking/before.rs");
    let edit_description = "Comment out the call to `BlinkManager::enable`";
+    let possible_diffs = vec![
+        include_str!("evals/fixtures/disable_cursor_blinking/possible-01.diff"),
+        include_str!("evals/fixtures/disable_cursor_blinking/possible-02.diff"),
+        include_str!("evals/fixtures/disable_cursor_blinking/possible-03.diff"),
+        include_str!("evals/fixtures/disable_cursor_blinking/possible-04.diff"),
+    ];
    eval(
        100,
-        0.95,
+        0.51,
        0.05,
        EvalInput::from_conversation(
            vec![
@@ -433,11 +439,7 @@ fn eval_disable_cursor_blinking() {
                ),
            ],
            Some(input_file_content.into()),
-            EvalAssertion::judge_diff(indoc! {"
-                - Calls to BlinkManager in `observe_window_activation` were commented out
-                - The call to `blink_manager.enable` above the call to show_cursor_names was commented out
-                - All the edits have valid indentation
-            "}),
+            EvalAssertion::assert_diff_any(possible_diffs),
        ),
    );
 }
@@ -1263,6 +1265,7 @@ impl EvalAssertion {
                    content: vec![prompt.into()],
                    cache: false,
                }],
+                thinking_allowed: true,
                ..Default::default()
            };
            let mut response = retry_on_rate_limit(async || {
@@ -1599,6 +1602,7 @@ impl EditAgentTest {
        let conversation = LanguageModelRequest {
            messages,
            tools,
+            thinking_allowed: true,
            ..Default::default()
        };

--- a/crates/assistant_tools/src/edit_agent/evals/fixtures/disable_cursor_blinking/possible-01.diff
+++ b/crates/assistant_tools/src/edit_agent/evals/fixtures/disable_cursor_blinking/possible-01.diff
@@ -0,0 +1,28 @@
+--- before.rs	2025-07-07 11:37:48.434629001 +0300
+++ expected.rs	2025-07-14 10:33:53.346906775 +0300
+@@ -1780,11 +1780,11 @@
+                 cx.observe_window_activation(window, |editor, window, cx| {
+                     let active = window.is_window_active();
+                     editor.blink_manager.update(cx, |blink_manager, cx| {
+-                        if active {
+-                            blink_manager.enable(cx);
+-                        } else {
+-                            blink_manager.disable(cx);
+-                        }
+                        // if active {
+                        //     blink_manager.enable(cx);
+                        // } else {
+                        //     blink_manager.disable(cx);
+                        // }
+                     });
+                 }),
+             ],
+@@ -18463,7 +18463,7 @@
+             }
+ 
+             self.blink_manager.update(cx, |blink_manager, cx| {
+-                blink_manager.enable(cx);
+                // blink_manager.enable(cx);
+             });
+             self.show_cursor_names(window, cx);
+             self.buffer.update(cx, |buffer, cx| {
--- a/crates/assistant_tools/src/edit_agent/evals/fixtures/disable_cursor_blinking/possible-02.diff
+++ b/crates/assistant_tools/src/edit_agent/evals/fixtures/disable_cursor_blinking/possible-02.diff
@@ -0,0 +1,29 @@
+@@ -1778,13 +1778,13 @@
+                 cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
+                 observe_buffer_font_size_adjustment(cx, |_, cx| cx.notify()),
+                 cx.observe_window_activation(window, |editor, window, cx| {
+-                    let active = window.is_window_active();
+                    // let active = window.is_window_active();
+                     editor.blink_manager.update(cx, |blink_manager, cx| {
+-                        if active {
+-                            blink_manager.enable(cx);
+-                        } else {
+-                            blink_manager.disable(cx);
+-                        }
+                        // if active {
+                        //     blink_manager.enable(cx);
+                        // } else {
+                        //     blink_manager.disable(cx);
+                        // }
+                     });
+                 }),
+             ],
+@@ -18463,7 +18463,7 @@
+             }
+ 
+             self.blink_manager.update(cx, |blink_manager, cx| {
+-                blink_manager.enable(cx);
+                // blink_manager.enable(cx);
+             });
+             self.show_cursor_names(window, cx);
+             self.buffer.update(cx, |buffer, cx| {
--- a/crates/assistant_tools/src/edit_agent/evals/fixtures/disable_cursor_blinking/possible-03.diff
+++ b/crates/assistant_tools/src/edit_agent/evals/fixtures/disable_cursor_blinking/possible-03.diff
@@ -0,0 +1,34 @@
+@@ -1774,17 +1774,17 @@
+                 cx.observe(&buffer, Self::on_buffer_changed),
+                 cx.subscribe_in(&buffer, window, Self::on_buffer_event),
+                 cx.observe_in(&display_map, window, Self::on_display_map_changed),
+-                cx.observe(&blink_manager, |_, _, cx| cx.notify()),
+                // cx.observe(&blink_manager, |_, _, cx| cx.notify()),
+                 cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
+                 observe_buffer_font_size_adjustment(cx, |_, cx| cx.notify()),
+                 cx.observe_window_activation(window, |editor, window, cx| {
+-                    let active = window.is_window_active();
+                    // let active = window.is_window_active();
+                     editor.blink_manager.update(cx, |blink_manager, cx| {
+-                        if active {
+-                            blink_manager.enable(cx);
+-                        } else {
+-                            blink_manager.disable(cx);
+-                        }
+                        // if active {
+                        //     blink_manager.enable(cx);
+                        // } else {
+                        //     blink_manager.disable(cx);
+                        // }
+                     });
+                 }),
+             ],
+@@ -18463,7 +18463,7 @@
+             }
+ 
+             self.blink_manager.update(cx, |blink_manager, cx| {
+-                blink_manager.enable(cx);
+                // blink_manager.enable(cx);
+             });
+             self.show_cursor_names(window, cx);
+             self.buffer.update(cx, |buffer, cx| {
--- a/crates/assistant_tools/src/edit_agent/evals/fixtures/disable_cursor_blinking/possible-04.diff
+++ b/crates/assistant_tools/src/edit_agent/evals/fixtures/disable_cursor_blinking/possible-04.diff
@@ -0,0 +1,33 @@
+@@ -1774,17 +1774,17 @@
+                 cx.observe(&buffer, Self::on_buffer_changed),
+                 cx.subscribe_in(&buffer, window, Self::on_buffer_event),
+                 cx.observe_in(&display_map, window, Self::on_display_map_changed),
+-                cx.observe(&blink_manager, |_, _, cx| cx.notify()),
+                // cx.observe(&blink_manager, |_, _, cx| cx.notify()),
+                 cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
+                 observe_buffer_font_size_adjustment(cx, |_, cx| cx.notify()),
+                 cx.observe_window_activation(window, |editor, window, cx| {
+                     let active = window.is_window_active();
+                     editor.blink_manager.update(cx, |blink_manager, cx| {
+-                        if active {
+-                            blink_manager.enable(cx);
+-                        } else {
+-                            blink_manager.disable(cx);
+-                        }
+                        // if active {
+                        //     blink_manager.enable(cx);
+                        // } else {
+                        //     blink_manager.disable(cx);
+                        // }
+                     });
+                 }),
+             ],
+@@ -18463,7 +18463,7 @@
+             }
+ 
+             self.blink_manager.update(cx, |blink_manager, cx| {
+-                blink_manager.enable(cx);
+                // blink_manager.enable(cx);
+             });
+             self.show_cursor_names(window, cx);
+             self.buffer.update(cx, |buffer, cx| {
--- a/crates/assistant_tools/src/edit_file_tool.rs
+++ b/crates/assistant_tools/src/edit_file_tool.rs
@@ -139,7 +139,7 @@ impl Tool for EditFileTool {
    }

    fn icon(&self) -> IconName {
-        IconName::Pencil
+        IconName::ToolPencil
    }

    fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value> {
@@ -783,8 +783,8 @@ impl ToolCard for EditFileToolCard {
            .child(
                h_flex()
                    .child(
-                        Icon::new(IconName::Pencil)
-                            .size(IconSize::XSmall)
+                        Icon::new(IconName::ToolPencil)
+                            .size(IconSize::Small)
                            .color(Color::Muted),
                    )
                    .child(
--- a/crates/assistant_tools/src/fetch_tool.rs
+++ b/crates/assistant_tools/src/fetch_tool.rs
@@ -69,10 +69,9 @@ impl FetchTool {
            .to_str()
            .context("invalid Content-Type header")?;
        let content_type = match content_type {
-            "text/html" => ContentType::Html,
-            "text/plain" => ContentType::Plaintext,
+            "text/html" | "application/xhtml+xml" => ContentType::Html,
            "application/json" => ContentType::Json,
-            _ => ContentType::Html,
+            _ => ContentType::Plaintext,
        };

        match content_type {
@@ -130,7 +129,7 @@ impl Tool for FetchTool {
    }

    fn icon(&self) -> IconName {
-        IconName::Globe
+        IconName::ToolWeb
    }

    fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value> {
--- a/crates/assistant_tools/src/find_path_tool.rs
+++ b/crates/assistant_tools/src/find_path_tool.rs
@@ -68,7 +68,7 @@ impl Tool for FindPathTool {
    }

    fn icon(&self) -> IconName {
-        IconName::SearchCode
+        IconName::ToolSearch
    }

    fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value> {
@@ -313,7 +313,7 @@ impl ToolCard for FindPathToolCard {
            .mb_2()
            .gap_1()
            .child(
-                ToolCallCardHeader::new(IconName::SearchCode, matches_label)
+                ToolCallCardHeader::new(IconName::ToolSearch, matches_label)
                    .with_code_path(&self.glob)
                    .disclosure_slot(
                        Disclosure::new("path-search-disclosure", self.expanded)
--- a/crates/assistant_tools/src/grep_tool.rs
+++ b/crates/assistant_tools/src/grep_tool.rs
@@ -70,7 +70,7 @@ impl Tool for GrepTool {
    }

    fn icon(&self) -> IconName {
-        IconName::Regex
+        IconName::ToolRegex
    }

    fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value> {
--- a/crates/assistant_tools/src/list_directory_tool.rs
+++ b/crates/assistant_tools/src/list_directory_tool.rs
@@ -58,7 +58,7 @@ impl Tool for ListDirectoryTool {
    }

    fn icon(&self) -> IconName {
-        IconName::Folder
+        IconName::ToolFolder
    }

    fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value> {
--- a/crates/assistant_tools/src/project_notifications_tool.rs
+++ b/crates/assistant_tools/src/project_notifications_tool.rs
@@ -6,8 +6,7 @@ use language_model::{LanguageModel, LanguageModelRequest, LanguageModelToolSchem
 use project::Project;
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
-use std::fmt::Write as _;
-use std::sync::Arc;
+use std::{fmt::Write, sync::Arc};
 use ui::IconName;

 #[derive(Debug, Serialize, Deserialize, JsonSchema)]
@@ -31,7 +30,7 @@ impl Tool for ProjectNotificationsTool {
    }

    fn icon(&self) -> IconName {
-        IconName::Envelope
+        IconName::ToolNotification
    }

    fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value> {
@@ -52,39 +51,113 @@ impl Tool for ProjectNotificationsTool {
        _window: Option<AnyWindowHandle>,
        cx: &mut App,
    ) -> ToolResult {
-        let mut stale_files = String::new();
-        let mut notified_buffers = Vec::new();
-
-        for stale_file in action_log.read(cx).unnotified_stale_buffers(cx) {
-            if let Some(file) = stale_file.read(cx).file() {
-                writeln!(&mut stale_files, "- {}", file.path().display()).ok();
-                notified_buffers.push(stale_file.clone());
-            }
-        }
-
-        if !notified_buffers.is_empty() {
-            action_log.update(cx, |log, cx| {
-                log.mark_buffers_as_notified(notified_buffers, cx);
-            });
-        }
-
-        let response = if stale_files.is_empty() {
-            "No new notifications".to_string()
-        } else {
-            // NOTE: Changes to this prompt require a symmetric update in the LLM Worker
-            const HEADER: &str = include_str!("./project_notifications_tool/prompt_header.txt");
-            format!("{HEADER}{stale_files}").replace("\r\n", "\n")
+        let Some(user_edits_diff) =
+            action_log.update(cx, |log, cx| log.flush_unnotified_user_edits(cx))
+        else {
+            return result("No new notifications");
        };

-        Task::ready(Ok(response.into())).into()
+        // NOTE: Changes to this prompt require a symmetric update in the LLM Worker
+        const HEADER: &str = include_str!("./project_notifications_tool/prompt_header.txt");
+        const MAX_BYTES: usize = 8000;
+        let diff = fit_patch_to_size(&user_edits_diff, MAX_BYTES);
+        result(&format!("{HEADER}\n\n```diff\n{diff}\n```\n").replace("\r\n", "\n"))
    }
 }

+fn result(response: &str) -> ToolResult {
+    Task::ready(Ok(response.to_string().into())).into()
+}
+
+/// Make sure that the patch fits into the size limit (in bytes).
+/// Compress the patch by omitting some parts if needed.
+/// Unified diff format is assumed.
+fn fit_patch_to_size(patch: &str, max_size: usize) -> String {
+    if patch.len() <= max_size {
+        return patch.to_string();
+    }
+
+    // Compression level 1: remove context lines in diff bodies, but
+    // leave the counts and positions of inserted/deleted lines
+    let mut current_size = patch.len();
+    let mut file_patches = split_patch(&patch);
+    file_patches.sort_by_key(|patch| patch.len());
+    let compressed_patches = file_patches
+        .iter()
+        .rev()
+        .map(|patch| {
+            if current_size > max_size {
+                let compressed = compress_patch(patch).unwrap_or_else(|_| patch.to_string());
+                current_size -= patch.len() - compressed.len();
+                compressed
+            } else {
+                patch.to_string()
+            }
+        })
+        .collect::<Vec<_>>();
+
+    if current_size <= max_size {
+        return compressed_patches.join("\n\n");
+    }
+
+    // Compression level 2: list paths of the changed files only
+    let filenames = file_patches
+        .iter()
+        .map(|patch| {
+            let patch = diffy::Patch::from_str(patch).unwrap();
+            let path = patch
+                .modified()
+                .and_then(|path| path.strip_prefix("b/"))
+                .unwrap_or_default();
+            format!("- {path}\n")
+        })
+        .collect::<Vec<_>>();
+
+    filenames.join("")
+}
+
+/// Split a potentially multi-file patch into multiple single-file patches
+fn split_patch(patch: &str) -> Vec<String> {
+    let mut result = Vec::new();
+    let mut current_patch = String::new();
+
+    for line in patch.lines() {
+        if line.starts_with("---") && !current_patch.is_empty() {
+            result.push(current_patch.trim_end_matches('\n').into());
+            current_patch = String::new();
+        }
+        current_patch.push_str(line);
+        current_patch.push('\n');
+    }
+
+    if !current_patch.is_empty() {
+        result.push(current_patch.trim_end_matches('\n').into());
+    }
+
+    result
+}
+
+fn compress_patch(patch: &str) -> anyhow::Result<String> {
+    let patch = diffy::Patch::from_str(patch)?;
+    let mut out = String::new();
+
+    writeln!(out, "--- {}", patch.original().unwrap_or("a"))?;
+    writeln!(out, "+++ {}", patch.modified().unwrap_or("b"))?;
+
+    for hunk in patch.hunks() {
+        writeln!(out, "@@ -{} +{} @@", hunk.old_range(), hunk.new_range())?;
+        writeln!(out, "[...skipped...]")?;
+    }
+
+    Ok(out)
+}
+
 #[cfg(test)]
 mod tests {
    use super::*;
    use assistant_tool::ToolResultContent;
    use gpui::{AppContext, TestAppContext};
+    use indoc::indoc;
    use language_model::{LanguageModelRequest, fake_provider::FakeLanguageModelProvider};
    use project::{FakeFs, Project};
    use serde_json::json;
@@ -123,6 +196,7 @@ mod tests {
        action_log.update(cx, |log, cx| {
            log.buffer_read(buffer.clone(), cx);
        });
+        cx.run_until_parked();

        // Run the tool before any changes
        let tool = Arc::new(ProjectNotificationsTool);
@@ -142,6 +216,7 @@ mod tests {
                cx,
            )
        });
+        cx.run_until_parked();

        let response = result.output.await.unwrap();
        let response_text = match &response.content {
@@ -158,6 +233,7 @@ mod tests {
        buffer.update(cx, |buffer, cx| {
            buffer.edit([(1..1, "\nChange!\n")], None, cx);
        });
+        cx.run_until_parked();

        // Run the tool again
        let result = cx.update(|cx| {
@@ -171,6 +247,7 @@ mod tests {
                cx,
            )
        });
+        cx.run_until_parked();

        // This time the buffer is stale, so the tool should return a notification
        let response = result.output.await.unwrap();
@@ -179,10 +256,12 @@ mod tests {
            _ => panic!("Expected text response"),
        };

-        let expected_content = "[The following is an auto-generated notification; do not reply]\n\nThese files have changed since the last read:\n- code.rs\n";
-        assert_eq!(
-            response_text.as_str(),
-            expected_content,
+        assert!(
+            response_text.contains("These files have changed"),
+            "Tool should return the stale buffer notification"
+        );
+        assert!(
+            response_text.contains("test/code.rs"),
            "Tool should return the stale buffer notification"
        );

@@ -198,6 +277,7 @@ mod tests {
                cx,
            )
        });
+        cx.run_until_parked();

        let response = result.output.await.unwrap();
        let response_text = match &response.content {
@@ -212,6 +292,61 @@ mod tests {
        );
    }

+    #[test]
+    fn test_patch_compression() {
+        // Given a patch that doesn't fit into the size budget
+        let patch = indoc! {"
+       --- a/dir/test.txt
+       +++ b/dir/test.txt
+       @@ -1,3 +1,3 @@
+        line 1
+       -line 2
+       +CHANGED
+        line 3
+       @@ -10,2 +10,2 @@
+        line 10
+       -line 11
+       +line eleven
+
+
+       --- a/dir/another.txt
+       +++ b/dir/another.txt
+       @@ -100,1 +1,1 @@
+       -before
+       +after
+       "};
+
+        // When the size deficit can be compensated by dropping the body,
+        // then the body should be trimmed for larger files first
+        let limit = patch.len() - 10;
+        let compressed = fit_patch_to_size(patch, limit);
+        let expected = indoc! {"
+       --- a/dir/test.txt
+       +++ b/dir/test.txt
+       @@ -1,3 +1,3 @@
+       [...skipped...]
+       @@ -10,2 +10,2 @@
+       [...skipped...]
+
+
+       --- a/dir/another.txt
+       +++ b/dir/another.txt
+       @@ -100,1 +1,1 @@
+       -before
+       +after"};
+        assert_eq!(compressed, expected);
+
+        // When the size deficit is too large, then only file paths
+        // should be returned
+        let limit = 10;
+        let compressed = fit_patch_to_size(patch, limit);
+        let expected = indoc! {"
+       - dir/another.txt
+       - dir/test.txt
+       "};
+        assert_eq!(compressed, expected);
+    }
+
    fn init_test(cx: &mut TestAppContext) {
        cx.update(|cx| {
            let settings_store = SettingsStore::test(cx);
--- a/crates/assistant_tools/src/read_file_tool.rs
+++ b/crates/assistant_tools/src/read_file_tool.rs
@@ -18,7 +18,6 @@ use serde::{Deserialize, Serialize};
 use settings::Settings;
 use std::sync::Arc;
 use ui::IconName;
-use util::markdown::MarkdownInlineCode;

 /// If the model requests to read a file whose size exceeds this, then
 #[derive(Debug, Serialize, Deserialize, JsonSchema)]
@@ -68,7 +67,7 @@ impl Tool for ReadFileTool {
    }

    fn icon(&self) -> IconName {
-        IconName::FileSearch
+        IconName::ToolRead
    }

    fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value> {
@@ -78,11 +77,21 @@ impl Tool for ReadFileTool {
    fn ui_text(&self, input: &serde_json::Value) -> String {
        match serde_json::from_value::<ReadFileToolInput>(input.clone()) {
            Ok(input) => {
-                let path = MarkdownInlineCode(&input.path);
+                let path = &input.path;
                match (input.start_line, input.end_line) {
-                    (Some(start), None) => format!("Read file {path} (from line {start})"),
-                    (Some(start), Some(end)) => format!("Read file {path} (lines {start}-{end})"),
-                    _ => format!("Read file {path}"),
+                    (Some(start), Some(end)) => {
+                        format!(
+                            "[Read file `{}` (lines {}-{})](@selection:{}:({}-{}))",
+                            path, start, end, path, start, end
+                        )
+                    }
+                    (Some(start), None) => {
+                        format!(
+                            "[Read file `{}` (from line {})](@selection:{}:({}-{}))",
+                            path, start, path, start, start
+                        )
+                    }
+                    _ => format!("[Read file `{}`](@file:{})", path, path),
                }
            }
            Err(_) => "Read file".to_string(),
@@ -276,7 +285,10 @@ impl Tool for ReadFileTool {

                        Using the line numbers in this outline, you can call this tool again
                        while specifying the start_line and end_line fields to see the
-                        implementations of symbols in the outline."
+                        implementations of symbols in the outline.
+                        
+                        Alternatively, you can fall back to the `grep` tool (if available)
+                        to search the file for specific content."
                    }
                    .into())
                }
--- a/crates/assistant_tools/src/terminal_tool.rs
+++ b/crates/assistant_tools/src/terminal_tool.rs
@@ -90,7 +90,7 @@ impl Tool for TerminalTool {
    }

    fn icon(&self) -> IconName {
-        IconName::Terminal
+        IconName::ToolTerminal
    }

    fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value> {
--- a/crates/assistant_tools/src/thinking_tool.rs
+++ b/crates/assistant_tools/src/thinking_tool.rs
@@ -37,7 +37,7 @@ impl Tool for ThinkingTool {
    }

    fn icon(&self) -> IconName {
-        IconName::LightBulb
+        IconName::ToolBulb
    }

    fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value> {
--- a/crates/assistant_tools/src/ui/tool_call_card_header.rs
+++ b/crates/assistant_tools/src/ui/tool_call_card_header.rs
@@ -82,7 +82,7 @@ impl RenderOnce for ToolCallCardHeader {
                    .child(
                        h_flex().h(line_height).justify_center().child(
                            Icon::new(self.icon)
-                                .size(IconSize::XSmall)
+                                .size(IconSize::Small)
                                .color(Color::Muted),
                        ),
                    )
--- a/crates/assistant_tools/src/web_search_tool.rs
+++ b/crates/assistant_tools/src/web_search_tool.rs
@@ -143,6 +143,8 @@ impl ToolCard for WebSearchToolCard {
        _workspace: WeakEntity<Workspace>,
        cx: &mut Context<Self>,
    ) -> impl IntoElement {
+        let icon = IconName::ToolWeb;
+
        let header = match self.response.as_ref() {
            Some(Ok(response)) => {
                let text: SharedString = if response.results.len() == 1 {
@@ -150,13 +152,12 @@ impl ToolCard for WebSearchToolCard {
                } else {
                    format!("{} results", response.results.len()).into()
                };
-                ToolCallCardHeader::new(IconName::Globe, "Searched the Web")
-                    .with_secondary_text(text)
+                ToolCallCardHeader::new(icon, "Searched the Web").with_secondary_text(text)
            }
            Some(Err(error)) => {
-                ToolCallCardHeader::new(IconName::Globe, "Web Search").with_error(error.to_string())
+                ToolCallCardHeader::new(icon, "Web Search").with_error(error.to_string())
            }
-            None => ToolCallCardHeader::new(IconName::Globe, "Searching the Web").loading(),
+            None => ToolCallCardHeader::new(icon, "Searching the Web").loading(),
        };

        let content = self.response.as_ref().and_then(|response| match response {
--- a/Show More
+++ b/Show More
				`@@ -0,0 +1 @@`
				`<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>Google Gemini</title><path d="M11.04 19.32Q12 21.51 12 24q0-2.49.93-4.68.96-2.19 2.58-3.81t3.81-2.55Q21.51 12 24 12q-2.49 0-4.68-.93a12.3 12.3 0 0 1-3.81-2.58 12.3 12.3 0 0 1-2.58-3.81Q12 2.49 12 0q0 2.49-.96 4.68-.93 2.19-2.55 3.81a12.3 12.3 0 0 1-3.81 2.58Q2.49 12 0 12q2.49 0 4.68.96 2.19.93 3.81 2.55t2.55 3.81"/></svg>`
				`@@ -1 +0,0 @@`
				`<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-clipboard"><rect width="8" height="4" x="8" y="2" rx="1" ry="1"/><path d="M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2"/></svg>`