{"attribution":"MCP Queen — the evidence layer for MCP (https://mcpqueen.com)","license":"CC BY 4.0 — free to use with attribution and a link to mcpqueen.com","methodology":"https://mcpqueen.com/registry#methodology","docs":"https://mcpqueen.com/api","generated_at":"2026-07-18T02:20:59.847Z","server":{"name":"io.github.Contentrain/contentrain","title":"Contentrain","description":"Git-native content governance for AI agents — 24 deterministic MCP tools over stdio and HTTP.","version":"2.1.1","remote_url":"https://studio.contentrain.io/api/mcp/v1/{project_id}/mcp","repo_url":"https://github.com/Contentrain/ai"},"operational_grade":{"grade":"D","score":54,"provisional":1,"reachable":1,"auth_state":"auth-bare","latency_ms":129,"tool_count":null,"probed_at":"2026-07-16T14:31:29.680Z","evidence":[{"criterion":"reachability","points":10,"max":25,"evidence":"HTTP 401 in 129ms — auth required; WWW-Authenticate MISSING (no OAuth discovery hint for clients)"},{"criterion":"protocol","points":0,"max":15,"evidence":"handshake not reachable behind auth — unverified"},{"criterion":"tooling","points":0,"max":0,"evidence":"auth-gated — tooling unverifiable, excluded from score (grade marked provisional)"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 129ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.11.0; namespace io.github.Contentrain matches endpoint/repo"}],"protocol_access":"auth-bare"},"field_semantics":{"auth_state":"Deprecated name retained for compatibility. It means protocol handshake/discovery access only, not tool-level data entitlement.","protocol_access":"Preferred name for auth_state."},"audit_state":"unaudited","observations":[],"response_benchmarks":[],"reviewed_field_reports":[],"interpretation":"Dimensions are independent; missing evidence is not a pass; field reports are qualitative, moderated and never votes."}