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MCP Server Security: Match the Guardrails to the Blast Radius

This story is from 2026-09-26. It is preserved in the archive; the latest stories are on the live feed.

We run two Model Context Protocol servers in production. One of them can create, move, and delete things. The other cannot change a single byte, and never returns a person's name. Both are correct. That is the point of this post. Most MCP security writing worries about the wrong thing. It focuses o…

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  1. 2026-09-26 03:31 · DEV Community — AI
    MCP Server Security: Match the Guardrails to the Blast Radius

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