Your MCP Scanner Passed. Would Your Agent Still Follow a Poisoned Tool? A Canary Method for Testing AI Agents
Static MCP scanners are useful. They read tool descriptions, flag suspicious instructions, pin hashes and warn you when a server changes. Run one. But a scanner answers a narrow question: does this server look dangerous? The question that matters before go-live is different: with your model, your c…
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- 2026-11-13 17:56 · DEV Community — AI
Your MCP Scanner Passed. Would Your Agent Still Follow a Poisoned Tool? A Canary Method for Testing AI Agents