{"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":"2026-10-19T11:56:34.389Z","server":{"name":"app.gigxchange/gigxchange","title":"GigXchange","description":"UK live music: gigs, open mics, venues, musician profiles, GX Index gig rates and member bookings.","version":"0.1.0","remote_url":"https://mcp.gigxchange.app/mcp","repo_url":null},"operational_grade":{"grade":"A","score":94,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":877,"tool_count":39,"probed_at":"2026-10-19T04:01:02.826Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 877ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo gigxchange@0.1.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 39 tools e.g. \"search_gigs\"; 39/39 described, 39/39 fully-typed schemas, median description 221 chars"},{"criterion":"latency","points":7,"max":10,"evidence":"initialize round-trip 877ms"},{"criterion":"provenance","points":12,"max":15,"evidence":"description present; no repository URL; version 0.1.0; namespace app.gigxchange matches endpoint/repo"}],"protocol_access":"open"},"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":"observations_published","observations":[{"dimension":"citation_quality","metric":"citation_capability_advertised","status":"unverified","value_text":null,"evidence":"Metadata/tool descriptions advertise citation or evidence capability: hed monthly issue (slug, title, url), the latest issue's open datasets (HuggingFace, Kaggle, Zenodo DOI) and the city average-fee league behind the Pint Index | ine description, key figures, context, FAQ, PDF and open-dataset links (HuggingFace, Kaggle, Zenodo DOI). No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-19T04:01:02.826Z","methodology_version":"trust-v1"},{"dimension":"security","metric":"authentication_boundary","status":"observed","value_text":"open","evidence":"Live protocol probe observed auth_state=open. This describes discovery/access behavior; it is not by itself a vulnerability finding.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-19T04:01:02.826Z","methodology_version":"trust-v1"}],"response_benchmarks":[],"reviewed_field_reports":[],"interpretation":"Dimensions are independent; missing evidence is not a pass; field reports are qualitative, moderated and never votes."}