{"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":"2026-08-28T23:09:11.669Z","server":{"name":"io.github.SidneyBissoli/bcb-br-mcp","title":"Banco Central do Brasil (BCB) — SGS Time Series MCP Server","description":"Banco Central do Brasil (BCB): SGS series, Focus expectations, PTAX, stats + provenance. 15 tools.","version":"1.9.3","remote_url":"https://bcb.sidneybissoli.com/mcp","repo_url":"https://github.com/SidneyBissoli/bcb-br-mcp"},"operational_grade":{"grade":"A","score":100,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":197,"tool_count":15,"probed_at":"2026-08-28T12:45:35.055Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 197ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo bcb-br-mcp@1.9.3"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 15 tools e.g. \"bcb_serie_valores\"; 15/15 described, 15/15 fully-typed schemas, median description 1455 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 197ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.9.3; namespace io.github.SidneyBissoli 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":"2026-08-28T12:45:35.055Z","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."}