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An MCP Tool Schema Is Not an Authorization Check: A Laravel Design Pattern

An MCP tool can be wonderfully easy to call. That is exactly why a write-capable tool deserves more scrutiny than a read-only one. Imagine an assistant with a refund_invoice tool. Its input schema says it accepts an invoice ID and a reason. The schema helps a client construct a call; it does not te…

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  1. 2026-11-14 07:23 · DEV Community — AI
    An MCP Tool Schema Is Not an Authorization Check: A Laravel Design Pattern

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