{"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":"2026-08-28T21:11:26.572Z","server":{"name":"com.bluepillow/hotels","title":"Blue Pillow Hotels & Stays","description":"Neutral hotel & stay price comparison for AI agents: live prices from 16+ booking sites. No signup.","version":"1.0.0","remote_url":"https://mcp.b2a.bluepillow.com/","repo_url":null},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":74,"tool_count":6,"probed_at":"2026-08-26T08:00:36.383Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 74ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo bluepillow-hotels@1.27.1"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 6 tools e.g. \"search_stays\"; 6/6 described, 6/6 fully-typed schemas, median description 3805 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 74ms"},{"criterion":"provenance","points":12,"max":15,"evidence":"description present; no repository URL; version 1.0.0; namespace com.bluepillow 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: Natural-language date references — \"tonight\", \"this weekend\", \"next\nweekend\", \"the weekend of July 4\", \"Memorial Day weekend\", \"long\nweekend in May\" — translate to concrete check_in / check_ou. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-08-26T08:00:36.383Z","methodology_version":"trust-v1"},{"dimension":"security","metric":"sensitive_capabilities_declared","status":"concern","value_text":"b2a_get_key","evidence":"1 discovered tool(s) advertise potentially state-changing or privileged capabilities. Tool names: b2a_get_key. Classification is description-based and does not prove exploitability.","source_type":"live_probe","sample_size":1,"observed_at":"2026-08-26T08:00:36.383Z","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":"2026-08-26T08:00:36.383Z","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."}