{"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":"2026-10-11T10:51:25.162Z","server":{"name":"io.github.Dansgit2b/lumenworks-decoder","title":"Lumen Agent Utilities","description":"x402 agent tools: calldata/EIP-712/x402 decoders, web→MD, ENS, DNS, PubMed, arXiv, SEC, weather","version":"1.4.0","remote_url":"https://lumenworks-x402-decoder.onrender.com/mcp","repo_url":"https://github.com/Dansgit2b/lumenworks-x402-api"},"operational_grade":{"grade":"A","score":99,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":197,"tool_count":14,"probed_at":"2026-10-11T07:15:53.761Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 197ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo lumen-agent-utilities@1.4.0"},{"criterion":"tooling","points":34,"max":35,"evidence":"tools/list OK: 14 tools e.g. \"x402_lint\"; 14/14 described, 13/14 fully-typed schemas, median description 228 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 197ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.4.0; namespace io.github.Dansgit2b 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: Lumen Agent Utilities x402 agent tools: calldata/EIP-712/x402 decoders, web→MD, ENS, DNS, PubMed, arXiv, SEC, weather x402_lint Decode and lint an x402 PAYMENT-REQUIRED / PAYMENT-SIGNATURE / PAYMENT-RESPONSE header (base64 or JSON): kind, decoded object, e | Agent policy: abo pubmed_search Search PubMed (36M+ biomedical citations): PMID, title, journal, date, authors, DOI, URL and abstract. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-11T07:15:53.761Z","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":"2026-10-11T07:15:53.761Z","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."}