MCP 2026-07-28 Spec Finalized; New Tool Scores Server Compliance in Seconds

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The Model Context Protocol's 2026-07-28 revision was officially finalized on July 28, introducing a shift to stateless request lifecycles. A new open-source command-line tool called mcpscore lets developers audit any MCP server instantly without installation or an API key. It evaluates servers across 72 deterministic rules covering protocol correctness, tool quality, security, and readiness for the new spec, returning a 0–100 score. The tool supports both remote and local servers in any programming language, and can perform partial audits of auth-gated servers even without credentials. It also integrates with CI pipelines via a GitHub Action that comments audit reports on pull requests and fails checks below a user-defined score threshold.

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