[FEATURE]: Tool Search (MCP On Demand) #9552

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1. Livvux

   added

   discussionUsed for feature requests, proposals, ideas, etc. Open discussionUsed for feature requests, proposals, ideas, etc. Open discussion

   on Jan 20, 2026
2. github-actions commented on Jan 20, 2026

   

   github-actionsBot

   on Jan 20, 2026 – with GitHub Actions

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   This issue might be a duplicate of existing issues. Please check:

   • [FEATURE]: Claude-style Tool Search Tool Implementation in OpenCode #9461: Claude-style Tool Search Tool Implementation in OpenCode - Discusses deferred tool-loading for built-in, plugin, and MCP tools
   • [FEATURE]:ToolSearch #9407: ToolSearch - References Anthropic's ToolSearchTool to reduce MCP server impact
   • [Feature Request] MCP Tool Search - Lazy Loading for 85% Token Reduction #9350: MCP Tool Search - Lazy Loading for 85% Token Reduction - Detailed feature request with implementation approach and token savings analysis
   • [FEATURE]:Add mcp search tool, reduce mcp tool occupying a lot of context #8625: Add mcp search tool, reduce mcp tool occupying a lot of context - Proposes MCPSearch tool to defer tool descriptions when they exceed 10% of context
   • [FEATURE]: Lazy/dynamic loading for mcp tools #8277: Lazy/dynamic loading for mcp tools - Discusses lazy loading pattern with meta-tool for on-demand tool loading
   • [FEATURE]: Let LLM enable MCP on demand, default all MCPs off #7466: Let LLM enable MCP on demand, default all MCPs off - Proposes enabling MCPs on-demand to reduce system prompt overhead

   Feel free to ignore if this specific case addresses a unique aspect not covered in these issues.
3. R44VC0RP commented on Jan 20, 2026

   

   R44VC0RP

   on Jan 20, 2026

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   Thanks for the feature request, @Livvux!

   This is a duplicate of #9350, which is our primary tracking issue for MCP Tool Search / Lazy Loading. That issue has a comprehensive spec and is already assigned for implementation.

   You can follow progress there and add any additional thoughts to the discussion.

   Closing this as a duplicate - feel free to subscribe to #9350 for updates!
4. R44VC0RP

   closed this as not plannedon Jan 20, 2026