{"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":"2026-09-20T02:09:05.749Z","server":{"name":"io.github.agenttrust-ai/agenttrust","title":"AgentTrust — AI Agent Trust, Reliability & Reputation Checks","description":"Trust infrastructure for AI agents: check reliability, verification, and trustDecision by URL.","version":"1.0.1","remote_url":"https://agenttrust-umber.vercel.app/api/mcp","repo_url":"https://github.com/agenttrust-ai/agenttrust"},"operational_grade":{"grade":"A","score":94,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":1744,"tool_count":5,"probed_at":"2026-09-19T22:00:54.146Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 1744ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo agenttrust@1.0.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 5 tools e.g. \"list_agents\"; 5/5 described, 5/5 fully-typed schemas, median description 221 chars"},{"criterion":"latency","points":4,"max":10,"evidence":"initialize round-trip 1744ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.0.1; namespace io.github.agenttrust-ai 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":"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":"2026-09-19T22:00:54.146Z","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."}