{"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":"2026-08-28T09:50:44.905Z","server":{"name":"io.github.epistemedeus/x402-data-gateway","title":null,"description":"Twenty-two paid x402 and MPP tools for agent discovery, payment safety, data, and DeFi.","version":"1.23.23","remote_url":"https://agents.samedaydesk.com/mcp","repo_url":"https://github.com/epistemedeus/x402-url-extractor"},"operational_grade":{"grade":"A","score":100,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":205,"tool_count":22,"probed_at":"2026-08-28T09:15:35.007Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 205ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo x402-data-gateway@1.23.24"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 22 tools e.g. \"extract\"; 22/22 described, 22/22 fully-typed schemas, median description 484 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 205ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.23.23; namespace io.github.epistemedeus 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":"observations_published","observations":[{"dimension":"citation_quality","metric":"citation_capability_advertised","status":"unverified","value_text":null,"evidence":"Metadata/tool descriptions advertise citation or evidence capability: st be replaced with real business values; this tool makes no site changes and does not guarantee AI citations | ders for real data; the score is diagnostic, no site changes are made, and it does not guarantee AI citations | ive limits, signed-but-unbroadcast accounting, ABI extraction, concurrent oversubscription, counter-reference failure, and application serialization. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-08-28T09:15:35.007Z","methodology_version":"trust-v1"},{"dimension":"security","metric":"sensitive_capabilities_declared","status":"concern","value_text":"extract, scan, payment_offer_preflight, seller_integrity_audit, contract_qualified_search, agent_surface_budget_audit","evidence":"6 discovered tool(s) advertise potentially state-changing or privileged capabilities. Tool names: extract, scan, payment_offer_preflight, seller_integrity_audit, contract_qualified_search, agent_surface_budget_audit. Classification is description-based and does not prove exploitability.","source_type":"live_probe","sample_size":6,"observed_at":"2026-08-28T09:15:35.007Z","methodology_version":"trust-v1"},{"dimension":"security","metric":"authentication_boundary","status":"observed","value_text":"open","evidence":"Live protocol probe observed auth_state=open. This describes discovery/access behavior; it is not by itself a vulnerability finding.","source_type":"live_probe","sample_size":null,"observed_at":"2026-08-28T09:15:35.007Z","methodology_version":"trust-v1"}],"response_benchmarks":[],"reviewed_field_reports":[],"interpretation":"Dimensions are independent; missing evidence is not a pass; field reports are qualitative, moderated and never votes."}