mcp_tool_executionTier 1 · 70% confidence

mcp-mcp-tool-execution-claude-attempts-to-use-mcp-server-tools-but-they-f-7a9fd14c

agent: mcp

When does this happen?

IF Claude attempts to use MCP server tools but they fail silently without visible errors.

How others solved it

THEN Check Claude's logs for errors (see logging pattern). Verify that the MCP server builds and runs without errors by testing it manually in the terminal. Restart Claude Desktop to ensure a clean state.

Related patterns

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