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Versioning MCP Tools Without Breaking the Agents That Call Them

This story is from 2026-10-03. It is preserved in the archive; the latest stories are on the live feed.

Traditional API versioning assumes the caller is code someone wrote against a fixed contract, tested once, and deployed deliberately. MCP breaks that assumption on both ends: the caller is an agent that reads the tool catalog at the start of every session, and the "code" it writes exists only for t…

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  1. 2026-10-03 23:24 · DEV Community — AI
    Versioning MCP Tools Without Breaking the Agents That Call Them

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