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How many tools should an MCP server have? I measured 5 to 100 in Claude Code, Codex and Gemini
Community description: Most advice about MCP server design says keep the tool count small. I read 91 sources: 38 say design...
Dev.to | Oct 14, 2026 | Valentina Koniukhova
Automated excerpt
Then I measured it: 1,932 runs, three clients, 5 to 100 tools. Claude Code's tool search never hid the right tool. Claude Code (Opus 5. 5), tool search on (default) Claude Code (Opus 5. 5), tool search off Tool search is the switch that matters in Claude Code.
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