What: A new tool that allows Claude to search and load MCP (Model Context Protocol) tools before using them, improving reliability of MCP integrations.
How to use: MCP tools are now deferred and must be loaded via MCPSearch before use. Claude will automatically use this tool when you request MCP functionality.
Details:
- Supports two query modes: direct selection (
select:mcp__slack__read_channel) or keyword search - Returns up to 5 matching tools ranked by relevance
- Caches tool descriptions for faster subsequent searches
- Returns
tool_referencecontent blocks that make selected tools available - Evidence:
MCPSearchToolimplementation atEy2variable, line 454185; tool nameGy2 = "MCPSearch"at line 454099