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Tool count is a vanity metric. Annotation coverage is what makes an AI agent safe.

An MCP tool annotation tells the agent what a tool does to the world — read vs mutate, safe to retry, external effect. Why annotation coverage beats tool count.

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mercoledì 3 giugno 2026·dev.to
Tool count is a vanity metric. Annotation coverage is what makes an AI agent safe.
An MCP tool annotation tells the agent what a tool does to the world — read vs mutate, safe to retry, external effect. Why annotation coverage beats tool count.