Make tool_search visible in the tools picker#311485
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- Add userDescription and toolReferenceName to tool_search registration so it passes the canBeReferencedInPrompt check - Localize displayName and userDescription with l10n.t() - Group tool under the 'vscode' toolset - Remove redundant allowTools gate in agentIntent (already gated by models filter on registration and endpoint.supportsToolSearch)
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Pull request overview
This PR updates the Copilot extension’s tool registration so the tool_search tool can appear in the chat tools picker and be referenced more consistently, and simplifies tool gating in the agent tool enablement logic.
Changes:
- Register
tool_searchwith a localizeddisplayNameand a newuserDescription, plus atoolReferenceName. - Associate
tool_searchwith the built-invscodetool set for grouping in the picker. - Remove the explicit
allowTools['tool_search']enablement gate fromgetAgentTools.
Show a summary per file
| File | Description |
|---|---|
| extensions/copilot/src/extension/tools/node/toolSearchTool.ts | Adds user-facing metadata and toolset grouping so tool_search can appear in the tools picker. |
| extensions/copilot/src/extension/intents/node/agentIntent.ts | Removes the explicit agent allowlist gate for tool_search during enabled-tools computation. |
Copilot's findings
- Files reviewed: 2/2 changed files
- Comments generated: 1
mjbvz
approved these changes
Apr 20, 2026
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The
tool_searchtool is now enabled by default for anthropic models but were not showing up in the tool's picker UI. WithoutuserDescription, the tool was filtered out of the picker.