Seven Security Controls Every Production MCP Server Should Have in Place

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Model Context Protocol (MCP) servers can connect AI applications to databases, APIs, and internal systems, making security a critical concern before real-world deployment. A DEV Community article outlines seven essential controls, starting with robust authentication that validates credentials on the server side rather than relying solely on the client. Beyond authentication, the article stresses per-tool authorization, where each tool carries its own required permission and access is denied by default if no policy is defined. High-impact actions such as deploying releases or deleting environments are recommended to require additional safeguards like multi-factor authentication or a second approver. The guide also highlights input validation, tenant isolation, and audit logging as necessary layers for a secure production-grade MCP deployment.

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