{"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":"2026-09-10T06:49:35.259Z","server":{"name":"com.mcp-revenue-empire/japan-public-ledgers","title":"Japan Public Ledgers MCP","description":"Tamper-evident daily ledgers of 12 Japanese public-data domains, with cross-ledger entity search.","version":"0.1.2","remote_url":"https://mcp.mcp-revenue-empire.com/mcp","repo_url":null},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":156,"tool_count":172,"probed_at":"2026-09-06T09:00:28.614Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 156ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-03-26, serverInfo mcp-rs-phase1-mcp@0.1.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 172 tools e.g. \"verify_receipt\"; 172/172 described, 169/172 fully-typed schemas, median description 150 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 156ms"},{"criterion":"provenance","points":12,"max":15,"evidence":"description present; no repository URL; version 0.1.2; namespace com.mcp-revenue-empire 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":"citation_quality","metric":"citation_capability_advertised","status":"unverified","value_text":null,"evidence":"Metadata/tool descriptions advertise citation or evidence capability: ignature, checks the intra-receipt chain linkage, and — when the receipt carries an external anchor reference — confirms it against the published F-028 anchor | price_oracle_fx_rate Fiat FX rate via the Frankfurter / ECB reference API | Returns the to units per one from unit plus the reference date. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-09-06T09:00:28.614Z","methodology_version":"trust-v1"},{"dimension":"security","metric":"sensitive_capabilities_declared","status":"concern","value_text":"agent_memory_delete, alerts_delete_watch, freshness_subscribe, freshness_list, freshness_unsubscribe","evidence":"5 discovered tool(s) advertise potentially state-changing or privileged capabilities. Tool names: agent_memory_delete, alerts_delete_watch, freshness_subscribe, freshness_list, freshness_unsubscribe. Classification is description-based and does not prove exploitability.","source_type":"live_probe","sample_size":5,"observed_at":"2026-09-06T09:00:28.614Z","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":"2026-09-06T09:00:28.614Z","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."}