{"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":"2026-08-28T12:26:38.849Z","server":{"name":"app.frtracker/regulatory-research","title":"FRTracker — Federal Regulatory Research","description":"Source-linked US federal regulations: CFR provision history, obligations, rules, comments.","version":"1.0.0","remote_url":"https://frtracker.app/mcp","repo_url":"https://github.com/ajleahey/frtracker"},"operational_grade":{"grade":"A","score":100,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":244,"tool_count":9,"probed_at":"2026-08-26T23:00:33.759Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 244ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-03-26, serverInfo frtracker@1.0.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 9 tools e.g. \"lookup_provision\"; 9/9 described, 9/9 fully-typed schemas, median description 167 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 244ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.0.0; namespace app.frtracker 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: lookup_provision Look up a CFR provision by citation (e | get_requirement Detail for one extracted obligation by id, including its source rule and citation URL. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-08-26T23:00:33.759Z","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":"2026-08-26T23:00:33.759Z","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."}