{"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":"2026-07-17T08:40:35.700Z","server":{"name":"net.checkmyvin/checkmyvin","title":"CheckMyVIN","description":"Decode any VIN and check open NHTSA safety recalls. Free official US government data, no auth.","version":"1.0.0","remote_url":"https://checkmyvin.net/api/mcp","repo_url":null},"operational_grade":{"grade":"A","score":94,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":563,"tool_count":2,"probed_at":"2026-07-15T02:30:34.806Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 563ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo checkmyvin@1.0.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 2 tools e.g. \"decode_vin\"; 2/2 described, 2/2 fully-typed schemas, median description 529 chars"},{"criterion":"latency","points":7,"max":10,"evidence":"initialize round-trip 563ms"},{"criterion":"provenance","points":12,"max":15,"evidence":"description present; no repository URL; version 1.0.0; namespace net.checkmyvin 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."}