{"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":"2026-11-03T18:47:16.384Z","server":{"name":"io.github.greg-wilko/companyverify","title":"CompanyVerify","description":"UK company lookup, LEIs and sanctions name matching for agents, with source provenance.","version":"0.1.1","remote_url":"https://api.companyverify.uk/mcp","repo_url":null},"operational_grade":{"grade":"A","score":90,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":305,"tool_count":20,"probed_at":"2026-11-03T14:15:58.439Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 305ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo companyverify@0.1.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 20 tools e.g. \"uk_company_search\"; 20/20 described, 20/20 fully-typed schemas, median description 171 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 305ms"},{"criterion":"provenance","points":5,"max":15,"evidence":"description present; no repository URL; version 0.1.1; namespace io.github.greg-wilko does NOT match remote host (expected *.greg-wilko.github.io)"}],"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: entity_match Compare two company references using supplied company-number/LEI equality and normalised name similarity | When one reference has a UK company number and the other only a name, optionally corroborates against Companies House | adverse_media Roadmap probe, not yet served: adverse media screening with citations. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-11-03T14:15:58.439Z","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":"2026-11-03T14:15:58.439Z","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."}