{"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":"2026-10-01T12:16:12.523Z","server":{"name":"ai.overwing/mcp","title":"Overwing","description":"Guardrails for LLM output: pass / fail / review verdicts and one recommended action. Hosted or npm.","version":"0.9.0","remote_url":"https://overwing.ai/mcp","repo_url":"https://github.com/frod27/overwing-mcp"},"operational_grade":{"grade":"A","score":100,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":239,"tool_count":27,"probed_at":"2026-10-01T08:00:29.847Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 239ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo overwing@1.0.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 27 tools e.g. \"evaluate\"; 27/27 described, 27/27 fully-typed schemas, median description 203 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 239ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 0.9.0; namespace ai.overwing 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: Rule instructions may reference `context. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-01T08:00:29.847Z","methodology_version":"trust-v1"},{"dimension":"security","metric":"sensitive_capabilities_declared","status":"concern","value_text":"beacon_report, tower_decide","evidence":"2 discovered tool(s) advertise potentially state-changing or privileged capabilities. Tool names: beacon_report, tower_decide. Classification is description-based and does not prove exploitability.","source_type":"live_probe","sample_size":2,"observed_at":"2026-10-01T08:00:29.847Z","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":"2026-10-01T08:00:29.847Z","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."}