{"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":"2026-07-17T02:47:04.680Z","server":{"name":"ai.firmbrain/x402-services","title":"x402 Trading & On-Chain Intelligence","description":"77 pay-per-call x402 tools for AI trading & on-chain agents: prices, sniping, perps, RH Chain, MEV","version":"1.0.0","remote_url":"https://x402-services-production.up.railway.app/mcp","repo_url":null},"operational_grade":{"grade":"A","score":90,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":158,"tool_count":110,"probed_at":"2026-07-15T07:30:08.263Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 158ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo x402-services@1.0.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 110 tools e.g. \"markdown\"; 110/110 described, 110/110 fully-typed schemas, median description 228 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 158ms"},{"criterion":"provenance","points":5,"max":15,"evidence":"description present; no repository URL; version 1.0.0; namespace ai.firmbrain does NOT match remote host (expected *.firmbrain.ai)"}],"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."}