MCP Collection

Radar CNPJ MCP Server

Brazilian company registry (Receita Federal) for agents: CNPJ lookup, sanctions, tax debt and company search.

Business & Payments MIT-0 license Added Oct 16, 2026 Hosted / remote

Radar CNPJ is a Business & Payments MCP (Model Context Protocol) server: Brazilian company registry (Receita Federal) for agents: CNPJ lookup, sanctions, tax debt and company search. It is MIT-0-licensed and available as a hosted endpoint, so it works with no local install. Listed on MCP Collection since October 2026.

About Radar CNPJ

Look up any Brazilian company by CNPJ (including the new alphanumeric format): Receita Federal record, partners, sanctions (CEIS, CNEP), federal tax debt, installment plans and government contracts. Search and autocomplete by name, CNAE activity or location. 15 tools, English descriptions. Remote streamable HTTP, no auth, free with a daily fair-use limit.

How to connect Radar CNPJ to Claude, Cursor or VS Code

Radar CNPJ runs as a hosted remote MCP server at https://radar-cnpj.com/mcp. Add that URL to your MCP client's config (Claude Code, Cursor, Windsurf or VS Code) and the tools appear immediately, no install required.

{
  "mcpServers": {
    "radar-cnpj": {
      "url": "https://radar-cnpj.com/mcp"
    }
  }
}

Claude Code: claude mcp add --transport http radar-cnpj https://radar-cnpj.com/mcp. Servers that require OAuth or an API key will prompt on first use.

Radar CNPJ FAQ

What is Radar CNPJ?

Radar CNPJ is a Model Context Protocol (MCP) server in the Business & Payments category. Brazilian company registry (Receita Federal) for agents: CNPJ lookup, sanctions, tax debt and company search. MCP servers expose tools that AI assistants like Claude can call during a conversation.

How do I use Radar CNPJ with Claude or Cursor?

Radar CNPJ runs as a hosted remote MCP server at https://radar-cnpj.com/mcp. Add that URL to your MCP client's config (Claude Code, Cursor, Windsurf or VS Code) and the tools appear immediately, no install required.

Is Radar CNPJ free to use?

Radar CNPJ is published under the MIT-0 license, so the software itself is free to run. Hosted or API-backed servers may have their own usage tiers; check the project homepage.

Where is the source code for Radar CNPJ?

The source is at github.com/wrpbr/radar-cnpj.

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