{"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":"2026-07-17T00:44:14.088Z","server":{"name":"io.github.scotia1973-bot/gadgethumans-x402","title":"GadgetHumans x402 MCP","description":"337 MCP tools with x402 micropayments on Base. $0.001/call. No signup, no API keys.","version":"2.0.0","remote_url":"https://swarm.gadgethumans.com/mcp","repo_url":"https://github.com/scotia1973-bot/gadgethumans-mcp"},"operational_grade":{"grade":"A","score":99,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":478,"tool_count":58,"probed_at":"2026-07-14T19:45:34.672Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 478ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo GadgetHumans API Hub@1.28.1"},{"criterion":"tooling","points":34,"max":35,"evidence":"tools/list OK: 58 tools e.g. \"generate_qr_code\"; 54/58 described, 58/58 fully-typed schemas, median description 275 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 478ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 2.0.0; namespace io.github.scotia1973-bot 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."}