Your agent has 40 tools and it still picks the wrong one
This story is from 2026-10-13. It is preserved in the archive; the latest stories are on the live feed.
We kept adding MCP servers. Git, GitHub, Postgres, Slack, a search tool, a browser, three internal APIs. Each one felt like a win — the agent could do more. Six weeks later it could do less. What actually happened The tool list grew past what the model could reason about in one pass. Two tools soun…
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- 2026-10-13 22:24 · DEV Community — AI
Your agent has 40 tools and it still picks the wrong one