{"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":"2026-07-17T03:13:58.281Z","server":{"name":"io.github.quizlar/mcp-server","title":"Quizlar — voice-powered AI flashcards with spaced repetition","description":"Voice-led, FSRS-scheduled flashcards from YouTube, PDFs, web, or text. Auto-graded quizzes.","version":"1.0.0","remote_url":"https://mcp.quizlar.app/mcp/","repo_url":"https://github.com/quizlar/mcp-server"},"operational_grade":{"grade":"C","score":66,"provisional":1,"reachable":1,"auth_state":"auth-wellbehaved","latency_ms":329,"tool_count":null,"probed_at":"2026-07-14T19:00:41.054Z","evidence":[{"criterion":"reachability","points":18,"max":25,"evidence":"HTTP 401 in 329ms — auth required; WWW-Authenticate present: \"Bearer error=\"invalid_token\", error_description=\"Authentication failed. The provided bearer token is invalid, expired, o\""},{"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 329ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.0.0; namespace io.github.quizlar matches endpoint/repo"}],"protocol_access":"auth-wellbehaved"},"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."}