{"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":"2026-08-17T14:03:10.311Z","server":{"name":"io.github.evolutionlabs-dev/signal-bureau","title":null,"description":"Calibrated probability reads on world events - source-traced, publicly graded, free to query.","version":"1.0.0","remote_url":"https://api.signalbureau.ai/api/mcp","repo_url":"https://github.com/evolutionlabs-dev/cognitive-investor"},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":605,"tool_count":21,"probed_at":"2026-08-17T03:45:34.516Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 605ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo signal-bureau@0.6.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 21 tools e.g. \"top_accelerating\"; 21/21 described, 21/21 fully-typed schemas, median description 365 chars"},{"criterion":"latency","points":7,"max":10,"evidence":"initialize round-trip 605ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.0.0; namespace io.github.evolutionlabs-dev 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: t you filed via send_feedback, by its feedbackId: filed, working, or resolved — with its work-order reference. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-08-17T03:45:34.516Z","methodology_version":"trust-v1"},{"dimension":"security","metric":"sensitive_capabilities_declared","status":"concern","value_text":"get_account","evidence":"1 discovered tool(s) advertise potentially state-changing or privileged capabilities. Tool names: get_account. Classification is description-based and does not prove exploitability.","source_type":"live_probe","sample_size":1,"observed_at":"2026-08-17T03:45:34.516Z","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":"2026-08-17T03:45:34.516Z","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."}