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Tool Poisoning on MCP Servers: The Attack Vector Nobody's Patching

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

Everybody's shipping AI agents. Nobody's auditing their toolchains. The MCP (Model Context Protocol) ecosystem grew from a specification into production infrastructure faster than most teams can spell "threat model." And that speed left a gap: the layer where an agent decides which tool to call, an…

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  1. 2026-09-17 18:57 · DEV Community — AI
    Tool Poisoning on MCP Servers: The Attack Vector Nobody's Patching

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