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Tool poisoning in MCP, walked through with a lab you can run

Originally published at mcpprobe.tech . This is a hands-on walkthrough of one attack: a tool whose description carries instructions for the model. You will see a minimal poisoned tool, why it works, how mcpprobe's META-01 check flags it, what the fixed version looks like, and a lab you can run loca…

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  1. 2026-11-10 23:54 · DEV Community — AI
    Tool poisoning in MCP, walked through with a lab you can run

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