generated: '2026-09-05' method: probed source: https://radar-cnpj.com/mcp name: Radar CNPJ MCP Server description: Official hosted MCP server for Radar CNPJ (Streamable HTTP, JSON-RPC 2.0). GET /mcp returns a server card; POST /mcp answers initialize, tools/list and tools/call with no authentication. Every tool is a thin binding onto the same public REST API (the MCP has no backend of its own); credentials (x-radar-session, Authorization, X-PAYMENT) are passed through as headers, and exhausted quotas surface as HTTP 402 x402 accepts[] inside the tool result. Advertised in the RFC 9727 api-catalog linkset and llms.txt, with an MCP-registry ed25519 key published at /.well-known/mcp-registry-auth. status: official deployment: mode: remote endpoint: https://radar-cnpj.com/mcp auth: none verified: probed probe_prior: (never probed) probe: live probe_why: live checked: '2026-09-11' source: claimed-backlog re-probe 2026-09-11 transport: streamable-http protocol_version: '2024-11-05' server: name: Radar CNPJ version: 2d690e87 tools_count: 13 tools_file: mcp/radar-cnpj-mcp-tools.json server_card_file: mcp/radar-cnpj-mcp-server-card.json x-evidence: fetched: '2026-09-05' tools_list: url: https://radar-cnpj.com/mcp request: POST {"jsonrpc":"2.0","id":1,"method":"tools/list"} http_status: 200 tools_returned: 13 server_card: url: https://radar-cnpj.com/mcp request: GET http_status: 200 tools: - api_index - health - get_cnpj - search - suggest - ref - avaliar - ia_filters - local - contact - monitor_session - list_watches - add_watch