{"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":"2026-10-20T11:20:14.501Z","server":{"name":"is.how/domain-intel","title":"how.is domain & IP intelligence","description":"Pay-per-call DNS, WHOIS, domain age, TLS, email auth, blocklists, IP intel. Free samples.","version":"1.1.0","remote_url":"https://how.is/mcp","repo_url":null},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":385,"tool_count":16,"probed_at":"2026-10-20T06:46:05.694Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 385ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo how.is@1.0.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 16 tools e.g. \"domain_profile\"; 16/16 described, 16/16 fully-typed schemas, median description 288 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 385ms"},{"criterion":"provenance","points":12,"max":15,"evidence":"description present; no repository URL; version 1.1.0; namespace is.how 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":"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":"2026-10-20T06:46:05.694Z","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."}