{"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":"2026-07-23T15:56:18.098Z","server":{"name":"com.devvizion/x402-research","title":"Money-Engine x402 Research","description":"Free agent discovery + paid x402 research (outline 0.01 / brief 0.02 USDC Base).","version":"0.1.1","remote_url":"https://x402.devvizion.com/mcp","repo_url":null},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":84,"tool_count":5,"probed_at":"2026-07-23T13:45:28.265Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 84ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2024-11-05, serverInfo money-engine-x402-research@0.3.67"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 5 tools e.g. \"x402_health\"; 5/5 described, 5/5 fully-typed schemas, median description 100 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 84ms"},{"criterion":"provenance","points":12,"max":15,"evidence":"description present; no repository URL; version 0.1.1; namespace com.devvizion 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":"2026-07-23T13:45:28.265Z","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."}