# Look up CNPJ records in Claude Code and Cursor via MCP

Connect the Radar MCP server to your agent and ask for the lookup in plain language.

Radar CNPJ · Updated 2026-10-14

## Step 1. In Claude Code

Run the command in the terminal.

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

## Step 2. In Cursor

Add the server to .cursor/mcp.json.

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

## Step 3. Ask the agent

Ask: look up CNPJ 00.000.000/0001-91 on Radar CNPJ.

[Open a record](https://radar-cnpj.com/en/?cnpj=00000000000191)

[Look up CNPJ records in Claude Code and Cursor via MCP](https://radar-cnpj.com/en/guias/claude-code-cursor)