{"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":"2026-09-10T07:03:18.562Z","server":{"name":"cloud.nttzen.secdb/zen-secdb","title":"ZEN SecDB","description":"ZEN SecDB MCP server for CVE intelligence, CVSS/EPSS scoring, advisories, SSVC, and package audits.","version":"1.0.0","remote_url":"https://secdb.nttzen.cloud/mcp","repo_url":null},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":165,"tool_count":11,"probed_at":"2026-09-05T21:15:22.700Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 165ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-11-25, serverInfo NTT DATA ZEN SecDB Portal - MCP Server@26.8.1"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 11 tools e.g. \"epss_timeseries\"; 11/11 described, 11/11 fully-typed schemas, median description 1483 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 165ms"},{"criterion":"provenance","points":12,"max":15,"evidence":"description present; no repository URL; version 1.0.0; namespace cloud.nttzen.secdb 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: loit modules, PoCs\n- Scanner plugins (Nessus, OpenVAS/Greenbone)\n- Vendor advisories\n- Social/media references (Reddit, Mastodon, Bluesky)\n- MISP threat-intel sightings\n\n## When to use this tool\nUse this tool when the user asks:\n- \"Is this CVE exploited in the wild | lable)\n- EPSS metadata (if present)\n- affected products and versions\n- vendor/security advisories\n- references and upstream sources\n- weakness classification (CWE)\n- exploit and patch information (if included in the record)\n\nAll information is returned in a structured M | ## What this tool does\nSearches across:\n- CVE entries\n- Security advisories\n- Exploit references\n- Product and vendor vulnerability data\n\nResults are formatted in Markdown and include a search summary. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-09-05T21:15:22.700Z","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":"2026-09-05T21:15:22.700Z","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."}