Radar CNPJ MCP MCP server

Official MCP server for Radar CNPJ, a Brazilian company registry service. It enables AI agents to perform CNPJ lookups, CNAE searches, business idea evaluation, and corporate monitoring by integrating directly with the vendor's API infrastructure.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by Radar CNPJ

MCP endpoint (Streamable HTTP)

https://radar-cnpj.com/mcp

Vendor documentation

What you can do with it

Lookup Brazilian company details via CNPJ
Search business activities by CNAE code
Evaluate business ideas using registry data
Monitor corporate status changes

Tools advertised by the last live check:

api_index
health
get_cnpj
reveal_cnpj
dossier_cnpj
search
suggest
ref
avaliar
ia_filters
local
contact
list_watches
add_watch
consulta_cnpj
consulta_cep
consulta_planos
consulta_comprar
consulta_lote
api_access
api_access_buy
pricing
billing

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http radar-cnpj-mcp https://radar-cnpj.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add radar-cnpj-mcp --url https://radar-cnpj.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable radar-cnpj-mcp in your MCP settings.

Cursor configuration

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

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "radar-cnpj-mcp": {
      "type": "streamableHttp",
      "url": "https://radar-cnpj.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start radar-cnpj-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "radar-cnpj-mcp": {
      "type": "http",
      "url": "https://radar-cnpj.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http radar-cnpj-mcp https://radar-cnpj.com/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

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

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

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

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