{"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":"2026-07-17T06:54:00.057Z","server":{"name":"jp.addresstozip/address-to-zip","title":null,"description":"日本の住所と郵便番号を相互変換するMCPサーバー。住所から郵便番号を検索、郵便番号から住所を逆引きします。","version":"1.0.0","remote_url":"https://addresstozip.jp/mcp","repo_url":null},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":227,"tool_count":2,"probed_at":"2026-07-15T01:45:35.026Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 227ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo address-to-zip@1.0.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 2 tools e.g. \"search_address\"; 2/2 described, 2/2 fully-typed schemas, median description 117 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 227ms"},{"criterion":"provenance","points":12,"max":15,"evidence":"description present; no repository URL; version 1.0.0; namespace jp.addresstozip 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":"unaudited","observations":[],"response_benchmarks":[],"reviewed_field_reports":[],"interpretation":"Dimensions are independent; missing evidence is not a pass; field reports are qualitative, moderated and never votes."}