{"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":"2026-10-10T12:44:26.192Z","server":{"name":"io.github.code0xff/1gateway","title":"1gateway","description":"x402 pay-per-call API gateway for AI agents (USDC on Base): Korean real estate, weather, holidays.","version":"0.1.0","remote_url":"https://1gateway.dev/mcp","repo_url":null},"operational_grade":{"grade":"B","score":87,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":1199,"tool_count":14,"probed_at":"2026-10-10T09:01:37.956Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 1199ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo 1gateway@0.1.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 14 tools e.g. \"kr_apartment_trades\"; 14/14 described, 14/14 fully-typed schemas, median description 485 chars"},{"criterion":"latency","points":7,"max":10,"evidence":"initialize round-trip 1199ms"},{"criterion":"provenance","points":5,"max":15,"evidence":"description present; no repository URL; version 0.1.0; namespace io.github.code0xff does NOT match remote host (expected *.code0xff.github.io)"}],"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: data Use when an agent needs to know what a URL is before reading it, or to build a link preview or citation | Source: ECB statistics, updated each TARGET day ~16:00 CET; reference only. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-10T09:01:37.956Z","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":"2026-10-10T09:01:37.956Z","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."}