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@roomote roomote bot commented Jan 13, 2026

Add web search functionality to Roo Code, pulling over the approach used in Cline.

Summary

This PR implements a web_search tool that provides web search capabilities to all models:

  • Created WebSearchTool class following the BaseTool pattern
  • Added native tool definition for OpenAI-compatible APIs
  • Added XML description for non-native protocols
  • Updated tool types, display names, and groups
  • Integrated with i18n system for translations
  • Added comprehensive test coverage (10 tests passing)

Implementation Details

The current implementation uses mock search results for demonstration purposes. This allows the tool to work without requiring additional API keys or setup. In production, this can be replaced with real search API integration:

  • Brave Search API
  • Google Custom Search API
  • Bing Search API
  • DuckDuckGo API

Alternatively, users can use the existing Perplexity MCP server for real web search capabilities.

Testing

  • ✅ All 10 tests passing
  • ✅ Type checks passing
  • ✅ Lint checks passing

View task on Roo Code Cloud


Important

Adds WebSearchTool for web search functionality with mock data, integrated into the system with tests and i18n support.

  • Behavior:
    • Adds WebSearchTool class in WebSearchTool.ts for web search functionality using mock data.
    • Integrates web_search tool into NativeToolCallParser.ts and index.ts.
    • Updates i18n in tools.json for web search messages.
  • Testing:
    • Adds WebSearchTool.spec.ts with 10 tests for WebSearchTool.
  • Misc:
    • Updates tool.ts and tools.ts to include web_search in tool names and groups.

This description was created by Ellipsis for ba6b76a. You can customize this summary. It will automatically update as commits are pushed.

- Add web_search tool that works for all models
- Created tool class (WebSearchTool.ts) with BaseTool pattern
- Added native tool definition for OpenAI-compatible APIs
- Added XML description for non-native protocols
- Updated tool types, display names, and groups
- Integrated with i18n system for translations
- Added comprehensive test coverage (10 tests)
- Mock implementation demonstrates functionality
- Can be replaced with real search API integration (Brave, Google, Bing, DuckDuckGo)
- Alternatively, users can use Perplexity MCP server for real search

Implements COM-464
@roomote
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roomote bot commented Jan 13, 2026

Rooviewer Clock   See task on Roo Cloud

Re-reviewed domain filtering changes. Implementation looks correct. The existing blocking issue remains unresolved.

  • Missing tool registration in presentAssistantMessage.ts - the web_search tool needs to be imported and added to the switch statement
Previous reviews

Mention @roomote in a comment to request specific changes to this pull request or fix all unresolved issues.

@hannesrudolph
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@roomote does not need any XML since we're sunsetting that.

@roomote
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roomote bot commented Jan 13, 2026

Fixaroo Clock   See task on Roo Cloud

Removed XML tool description for web_search since XML is being sunset. All local checks passed.

View commit | Revert commit

}
}

export const webSearchTool = new WebSearchTool()
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Missing tool registration in presentAssistantMessage.ts: The webSearchTool is exported here but never imported or registered in the tool dispatcher. The switch statement in presentAssistantMessage.ts (lines 872-1190) lacks a case "web_search": handler, and the toolDescription function also needs a case for this tool. When the model calls web_search, it will fall through to the default: case and fail with "Unknown tool 'web_search'. This tool does not exist."

Required changes to src/core/assistant-message/presentAssistantMessage.ts:

  1. Add import: import { webSearchTool } from "../tools/WebSearchTool"
  2. Add case in toolDescription function: case "web_search": return \[${block.name} for '${block.params.query}']``
  3. Add case in switch statement to call webSearchTool.handle()

Fix it with Roo Code or mention @roomote and request a fix.

- Add allowed_domains and blocked_domains parameters to WebSearchParams
- Implement domain filtering logic in WebSearchTool
- Add domain parameter handling in NativeToolCallParser
- Update tool prompt with domain filtering documentation
- Add parseDomainsArray helper function
- Enhance handlePartial to show domain filters in UI

This brings full parity with Cline web search domain filtering capabilities.
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3 participants