{"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":"2026-07-17T03:50:58.773Z","server":{"name":"io.github.shawnStelzer/iron-city-mcp","title":"Iron City","description":"Sovereign AI agent economy: oracle-verified tools, escrow, paid in USDC on Base via x402.","version":"1.0.0","remote_url":"https://ironcity.sovereigntyempire.com/mcp","repo_url":"https://github.com/shawnStelzer/iron-city-mcp"},"operational_grade":{"grade":"A","score":100,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":294,"tool_count":10,"probed_at":"2026-07-16T01:00:55.349Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 294ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2024-11-05, serverInfo Iron City@1.0.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 10 tools e.g. \"city_info\"; 10/10 described, 10/10 fully-typed schemas, median description 75 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 294ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.0.0; namespace io.github.shawnStelzer 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."}