{"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":"2026-07-17T07:20:08.478Z","server":{"name":"io.github.russellshen1992/2o","title":null,"description":"Human intelligence API — AI agents verify facts with human domain experts via MCP","version":"1.0.0","remote_url":"https://www.2oapi.xyz/api/mcp","repo_url":"https://github.com/russellshen1992/2o"},"operational_grade":{"grade":"D","score":49,"provisional":1,"reachable":1,"auth_state":"auth-bare","latency_ms":907,"tool_count":null,"probed_at":"2026-07-14T19:45:34.672Z","evidence":[{"criterion":"reachability","points":10,"max":25,"evidence":"HTTP 401 in 907ms — 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":7,"max":10,"evidence":"initialize round-trip 907ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.0.0; namespace io.github.russellshen1992 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."}