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Your MCP Server Is Wasting Your Agent's Context Window

This story is from 2026-10-09. It is preserved in the archive; the latest stories are on the live feed.

You wired up a great MCP server. It lists 42 tools, each with a detailed schema, and the agent now has full access to your internal API, your database, your deploy pipeline. Three weeks later you notice the agent is forgetting earlier instructions, hallucinating tool names, and hitting token limits…

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  1. 2026-10-09 22:31 · DEV Community — AI
    Your MCP Server Is Wasting Your Agent's Context Window

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