{"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":"2026-08-14T08:53:17.145Z","server":{"name":"io.github.geoacpfilho/paygate-monetize-monetization-x402","title":"PayGate MCP — Monetization Gateway for AI Agents","description":"Monetize any MCP server: x402 paywall, pay-per-call billing in USDC on Base, agent marketplace.","version":"0.3.1","remote_url":"https://paygate-mcp.rendercriativo.workers.dev/mcp","repo_url":"https://github.com/geoacpfilho/paygate-mcp"},"operational_grade":{"grade":"A","score":100,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":113,"tool_count":6,"probed_at":"2026-08-14T06:30:37.957Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 113ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-11-25, serverInfo paygate-mcp@0.3.1"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 6 tools e.g. \"list_registered_servers\"; 6/6 described, 6/6 fully-typed schemas, median description 326 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 113ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 0.3.1; namespace io.github.geoacpfilho 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":"sensitive_capabilities_declared","status":"concern","value_text":"register_server","evidence":"1 discovered tool(s) advertise potentially state-changing or privileged capabilities. Tool names: register_server. Classification is description-based and does not prove exploitability.","source_type":"live_probe","sample_size":1,"observed_at":"2026-08-14T06:30:37.957Z","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":"2026-08-14T06:30:37.957Z","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."}