{"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":"2026-07-17T04:09:28.965Z","server":{"name":"tools.ref/ref-tools-mcp","title":null,"description":"Token-efficient search for coding agents over public and private documentation.","version":"3.0.1","remote_url":"https://api.ref.tools/mcp","repo_url":"https://github.com/ref-tools/ref-tools-mcp"},"operational_grade":{"grade":"D","score":54,"provisional":1,"reachable":1,"auth_state":"auth-bare","latency_ms":277,"tool_count":null,"probed_at":"2026-07-15T05:00:34.695Z","evidence":[{"criterion":"reachability","points":10,"max":25,"evidence":"HTTP 401 in 277ms — 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 277ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 3.0.1; namespace tools.ref 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."}