Building a Permission-Gated MCP Server in Laravel (Without Opening a Backdoor)

Dev.to / 6/12/2026

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Key Points

  • The author integrated an MCP server into a Laravel app that administers a Kong API gateway, focusing on security rather than simply enabling AI-to-app connectivity.
  • They treat MCP as an additional UI layer with no extra privileges, ensuring every MCP tool corresponds to an existing human permission and that all write operations use the same approval/action classes as the web UI.
  • Using the laravel/mcp package, they implement a tool inheritance pattern where a shared base class performs permission gating before any tool work is executed.
  • The approach is designed to prevent AI agents from bypassing authorization by directly querying the database or gaining silent elevated capabilities.

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