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Tool Descriptions Are the Contract

This story is from 2026-09-17. It is preserved in the archive; the latest stories are on the live feed.

This series started with a claim: MCP and REST are two doors into the same kitchen. Three posts later, the comments have pushed the argument down to its foundation. One reader on dev.to said the useful test is whether both doors preserve the same auth, error, and idempotency behavior. Another warne…

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  1. 2026-09-17 07:37 · DEV Community — AI
    Tool Descriptions Are the Contract

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