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cnpj.ia.br

Official registry Other

Empresas do Brasil (CNPJ): consulta por CNPJ, busca por filtros e uso da conta.

Source code Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http cnpj-ia-br 'https://mcp.cnpj.ia.br' --header 'Authorization: <Opcional: Bearer cnpj_live_… (chave criada em app.cnpj.ia.br); clientes compatíveis autenticam por OAuth.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "cnpj-ia-br": {
            "type": "http",
            "url": "https://mcp.cnpj.ia.br",
            "headers": {
                "Authorization": "<Opcional: Bearer cnpj_live_… (chave criada em app.cnpj.ia.br); clientes compatíveis autenticam por OAuth.>"
            }
        }
    }
}

Frequently asked questions

What is cnpj.ia.br?

Empresas do Brasil (CNPJ): consulta por CNPJ, busca por filtros e uso da conta.

How do I install cnpj.ia.br?

It runs as a remote server. In Claude Code: claude mcp add --transport http cnpj-ia-br 'https://mcp.cnpj.ia.br' --header 'Authorization: <Opcional: Bearer cnpj_live_… (chave criada em app.cnpj.ia.br); clientes compatíveis autenticam por OAuth.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does cnpj.ia.br need an API key?

Yes. It expects Authorization, which you set in its configuration.

Is cnpj.ia.br open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains cnpj.ia.br?

It is published by Atmosphere-Technologies. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.