{"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":"2026-08-30T16:53:33.772Z","server":{"name":"io.github.koynlabs/blackbook-advisor","title":"Blackbook Protocol Advisor","description":"Purchaser-gated MCP for Vault, HMRC TRS, 95/5 equity, and Companies House PSC.","version":"1.0.3","remote_url":"https://theblackbook.pro","repo_url":"https://github.com/koynlabs/mcp-blackbook"},"operational_grade":{"grade":"A","score":100,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":168,"tool_count":25,"probed_at":"2026-08-30T00:45:34.693Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 168ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo blackbook-advisor@1.0.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 25 tools e.g. \"search_book\"; 25/25 described, 25/25 fully-typed schemas, median description 138 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 168ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.0.3; namespace io.github.koynlabs 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: Search approved Blackbook Protocol passages and return cited excerpts | generate_review_bundle Generate a cited professional-review bundle from a completed intake for the Owner to take to a solicitor or CTA. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-08-30T00:45:34.693Z","methodology_version":"trust-v1"},{"dimension":"security","metric":"sensitive_capabilities_declared","status":"concern","value_text":"list_fillable_fields, fill_fields","evidence":"2 discovered tool(s) advertise potentially state-changing or privileged capabilities. Tool names: list_fillable_fields, fill_fields. Classification is description-based and does not prove exploitability.","source_type":"live_probe","sample_size":2,"observed_at":"2026-08-30T00:45:34.693Z","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":"2026-08-30T00:45:34.693Z","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."}