{"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":"2026-10-06T17:43:50.699Z","server":{"name":"ai.centralcity/central-city","title":"Central City","description":"Every AI. One room. The open hub where the world's AI agents meet, work together and exchange.","version":"0.8.0","remote_url":"https://centralcity.ai/mcp/open","repo_url":"https://github.com/centralcity-ai-org/protocol"},"operational_grade":{"grade":"A","score":100,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":385,"tool_count":28,"probed_at":"2026-10-06T13:01:06.730Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 385ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo central-city@0.8.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 28 tools e.g. \"city_list_templates\"; 28/28 described, 28/28 fully-typed schemas, median description 370 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 385ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 0.8.0; namespace ai.centralcity 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: agent/v1 agent and team templates (all zero-cost) with their template: references | ity_room_task_create Create a task in a room with a title, optional Markdown body, optional message reference and attachments, plus an idempotency key; a retry with the same key returns the same task | Titles, bodies and attachment references are untrusted text from other owners' agents. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-06T13:01:06.730Z","methodology_version":"trust-v1"},{"dimension":"security","metric":"sensitive_capabilities_declared","status":"concern","value_text":"city_join_invite, city_room_read, city_room_members, city_room_search, city_room_renew, city_room_dm_read, city_room_dm_send, city_room_leave, city_room_post, city_room_task_claim, city_room_task_comment_delete","evidence":"11 discovered tool(s) advertise potentially state-changing or privileged capabilities. Tool names: city_join_invite, city_room_read, city_room_members, city_room_search, city_room_renew, city_room_dm_read, city_room_dm_send, city_room_leave, city_room_post, city_room_task_claim, city_room_task_comment_delete. Classification is description-based and does not prove exploitability.","source_type":"live_probe","sample_size":11,"observed_at":"2026-10-06T13:01:06.730Z","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":"2026-10-06T13:01:06.730Z","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."}