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16:56
2026-09-22
dev.to
ai-agents

MCP Tool Poisoning: A Name Allowlist Is Not Enough

A developer built a four-container demo showing that deny-by-default tool-name allowlists fail to stop MCP tool poisoning, because an MCP server can rewrite its own tool descriptions mid-session after…

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ai agents 1 agent protocols 1 ai safety 1 ai tools 1 developer tools 1