{"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":"2026-07-17T00:19:09.238Z","server":{"name":"dev.goldprice/mcp","title":"goldprice.dev","description":"Gold/silver/copper spot & futures, per-country dealer prices, options-implied probability surface.","version":"1.0.3","remote_url":"https://api.goldprice.dev/v1/mcp/","repo_url":null},"operational_grade":{"grade":"F","score":12,"provisional":0,"reachable":0,"auth_state":"unreachable","latency_ms":177,"tool_count":null,"probed_at":"2026-07-16T05:45:51.057Z","evidence":[{"criterion":"reachability","points":0,"max":25,"evidence":"HTTP 429 in 177ms — JSON-RPC error: \"quota_exceeded\""},{"criterion":"protocol","points":0,"max":15,"evidence":"no handshake"},{"criterion":"tooling","points":0,"max":35,"evidence":"unreachable — no tooling to assess"},{"criterion":"latency","points":0,"max":10,"evidence":"not measurable"},{"criterion":"provenance","points":12,"max":15,"evidence":"description present; no repository URL; version 1.0.3; namespace dev.goldprice matches endpoint/repo"}],"protocol_access":"unreachable"},"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."}