{"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":"2026-09-08T20:04:20.687Z","server":{"name":"xyz.kadec0/web-search-data-api","title":"Web Search & Data API","description":"Web search, scraping, Google Trends and data lookups. Paid per call in USDC on Base via x402.","version":"1.0.0","remote_url":"https://api.kadec0.xyz/mcp","repo_url":null},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":375,"tool_count":23,"probed_at":"2026-09-08T14:30:50.887Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 375ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo Web Search & Data API@1.28.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 23 tools e.g. \"serp\"; 23/23 described, 23/23 fully-typed schemas, median description 556 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 375ms"},{"criterion":"provenance","points":12,"max":15,"evidence":"description present; no repository URL; version 1.0.0; namespace xyz.kadec0 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: Hub Security Advisories, each with CVSS score, severity, CWE weakness class, affected products, and references, filterable by severity and source | Search research papers and scholarly literature across arXiv, PubMed, OpenAlex, Crossref, and Semantic Scholar in one call, deduplicated into a ranked result set: title, authors, year, venue, abstract, citation count, DOI, and d | Query by keyword or restrict to one source; filter by year range; sort by relevance, recency, or citations. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-09-08T14:30:50.887Z","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":"2026-09-08T14:30:50.887Z","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."}