{"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":"2026-10-12T10:20:10.732Z","server":{"name":"cloud.atatravel/travel-agency","title":"ATA Travel","description":"ATA Travel: agent-first direct booking for accommodations, hotels, and vacation rentals.","version":"2.4.0","remote_url":"https://atatravel.cloud/mcp","repo_url":null},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":384,"tool_count":25,"probed_at":"2026-10-07T07:01:40.025Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 384ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo ATA Agentic Travel Agency@2.4.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 25 tools e.g. \"ping\"; 25/25 described, 24/25 fully-typed schemas, median description 214 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 384ms"},{"criterion":"provenance","points":12,"max":15,"evidence":"description present; no repository URL; version 2.4.0; namespace cloud.atatravel 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: If verification is needed, keep  create_quote Generate a non-binding reference quote for a traveler. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-07T07:01:40.025Z","methodology_version":"trust-v1"},{"dimension":"security","metric":"sensitive_capabilities_declared","status":"concern","value_text":"verify_traveler_code","evidence":"1 discovered tool(s) advertise potentially state-changing or privileged capabilities. Tool names: verify_traveler_code. Classification is description-based and does not prove exploitability.","source_type":"live_probe","sample_size":1,"observed_at":"2026-10-07T07:01:40.025Z","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":"2026-10-07T07:01:40.025Z","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."}