{"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":"2026-07-17T02:51:56.217Z","server":{"name":"xyz.558686.gpt55/token-gateway","title":"GPT-5.5 x402 Low Cost Agent Tools","description":"Remote MCP gateway for low-cost x402-paid GPT-5.5 and utility tools.","version":"1.0.0","remote_url":"https://gpt55.558686.xyz/mcp","repo_url":"https://github.com/go165/gpt55-x402-gateway"},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":789,"tool_count":214,"probed_at":"2026-07-15T05:15:34.274Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 789ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo gpt55-x402-gateway@2026.06.21"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 214 tools e.g. \"gpt55_x402_ping\"; 214/214 described, 210/214 fully-typed schemas, median description 600 chars"},{"criterion":"latency","points":7,"max":10,"evidence":"initialize round-trip 789ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.0.0; namespace xyz.558686.gpt55 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."}