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My MCP Server Only Talks to Trusted APIs, But Is the Data Reliable?

MCP server security isn't enough; the reliability of returned data must be questioned.

While building my MCP server, I assumed that communicating with trusted APIs ensured data reliability. However, I realized that the data returned can contain unmoderated inputs from external users, potentially compromising the system. Now, I understand that evaluating server security must include questioning the reliability of the data flowing through it, not just the integrity of the server itself.