{"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":"2026-08-14T16:30:23.080Z","server":{"name":"com.mcpscores/public-data-api","title":"MCPFax Public-Data Utility API","description":"31 tools: geocoding, weather, FX, SEC, ICD-10, DNS & more. x402 USDC on Base, $0.001+/call.","version":"1.0.3","remote_url":"https://mcpfax-utility.bowling-anthony.workers.dev/mcp","repo_url":null},"operational_grade":{"grade":"A","score":90,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":143,"tool_count":31,"probed_at":"2026-08-14T14:15:38.404Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 143ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo com.mcpscores/public-data-api@1.0.3"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 31 tools e.g. \"v1_geocode\"; 31/31 described, 31/31 fully-typed schemas, median description 240 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 143ms"},{"criterion":"provenance","points":5,"max":15,"evidence":"description present; no repository URL; version 1.0.3; namespace com.mcpscores does NOT match remote host (expected *.mcpscores.com)"}],"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: v1_fx Currency exchange rates: Reference FX rates (ECB) with optional amount conversion | v1_cfr CFR legal text: Fetch current Code of Federal Regulations text for a citation. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-08-14T14:15:38.404Z","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":"2026-08-14T14:15:38.404Z","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."}