{"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":"2026-10-19T14:20:18.603Z","server":{"name":"io.github.Blackwood-State/blackwood-state","title":"Blackwood State","description":"Blackwood State: pay-per-call tools for agents (web, SEC, PDF, domain), USDC over x402","version":"1.0.0","remote_url":"https://x402-gateway.blackwoodstate8.workers.dev/mcp","repo_url":null},"operational_grade":{"grade":"B","score":84,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":1508,"tool_count":37,"probed_at":"2026-10-18T06:15:59.212Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 1508ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo blackwood-state@1.0.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 37 tools e.g. \"blackwood_credits_balance\"; 37/37 described, 37/37 fully-typed schemas, median description 461 chars"},{"criterion":"latency","points":4,"max":10,"evidence":"initialize round-trip 1508ms"},{"criterion":"provenance","points":5,"max":15,"evidence":"description present; no repository URL; version 1.0.0; namespace io.github.Blackwood-State does NOT match remote host (expected *.blackwood-state.github.io)"}],"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: Do not use for uRLs or PDFs (extract the text first), exact quotes or citations | blackwood_fx_rates Use when you need currency exchange rates, forex conversion of an amount or a reference rate between two currencies | Returns JSON with the ECB euro reference rates (free at ecb. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-18T06:15:59.212Z","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":"2026-10-18T06:15:59.212Z","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."}