{"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":"2026-09-12T00:28:38.830Z","server":{"name":"systems.phion/evidence-engine","title":"PHION Agent Trust Infrastructure","description":"Trust, evidence, due diligence and payment safety for AI agents, with signed x402 receipts.","version":"0.8.0","remote_url":"https://phion.systems/mcp","repo_url":null},"operational_grade":{"grade":"A","score":92,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":866,"tool_count":8,"probed_at":"2026-09-11T20:01:11.887Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 866ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo phion-evidence@0.8.0"},{"criterion":"tooling","points":33,"max":35,"evidence":"tools/list OK: 8 tools e.g. \"preflight\"; 8/8 described, 6/8 fully-typed schemas, median description 55 chars"},{"criterion":"latency","points":7,"max":10,"evidence":"initialize round-trip 866ms"},{"criterion":"provenance","points":12,"max":15,"evidence":"description present; no repository URL; version 0.8.0; namespace systems.phion 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":"2026-09-11T20:01:11.887Z","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."}