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CNPJ

mcp-dir/cnpj-mcp
HTTPregistry active
Summary

Connects Claude and other MCP clients to Brazil's Federal Revenue public CNPJ registry and the national court diary (DJEN). Two tools: cnpj_consultar pulls company registration data including legal name, status, tax classification, and the full shareholder list (QSA), while cnpj_processos discovers lawsuits by resolving the CNPJ to names and searching the court diary. No authentication required, read-only operations on public data. Useful for due diligence workflows when you need to verify a Brazilian company's registration or find litigation history for both the entity and its partners. Works well alongside DataJud for enriching case numbers with full docket details.

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Categories
Data & Analytics
Registryactive
TransportHTTP
UpdatedJun 10, 2026
View on GitHub

CNPJ

Consulta de CNPJ e descoberta de processos para Claude, Cursor e agentes de IA

Consulta cadastral pública de CNPJ (razão social, nome fantasia, situação, CNAE, porte e sócios) e descoberta dos processos da empresa e dos sócios no Diário de Justiça (DJEN). Dados públicos da Receita Federal, grátis, sem login.

  • 🇧🇷 Dados públicos da Receita Federal
  • 🏢 Cadastro completo: razão social, nome fantasia, situação, CNAE, porte, município/UF e sócios (QSA)
  • ⚖️ Descobre processos da empresa (e dos sócios) por nome no Diário de Justiça (DJEN)
  • 🔒 Somente leitura
  • ⚡ Grátis, sem login, sem credencial, funciona assim que instala
  • 💬 Funciona com qualquer cliente MCP: Claude Desktop, Cursor, VS Code, Cline, Continue

English version · Documentação completa · Skill pra agentes


Instalar em 1 clique

Claude (Web e Desktop)

A Anthropic unificou a instalação de MCPs em claude.ai/customize/connectors. O mesmo link serve pra Claude Web e Claude Desktop (basta estar logado):

➕ Abrir no Claude e conectar

Manual (se o deeplink não abrir): claude.ai/customize/connectors → + → Adicionar conector personalizado → cole Nome CNPJ e URL https://api.mcp.ai/p_cnpj.

Cursor

➕ Instalar CNPJ no Cursor

VS Code (Copilot Chat)

➕ Instalar CNPJ no VS Code

ChatGPT, Manus, OpenClaw e mais 40+ clientes

Funciona em qualquer cliente MCP que suporte MCP over HTTP. A URL do servidor é sempre:

https://api.mcp.ai/p_cnpj

Detalhes por cliente: INSTALL.md.


Exemplos de uso

Consulte o CNPJ 33.000.167/0001-01 e liste os sócios
Quais processos da empresa do CNPJ 33.000.167/0001-01?
Inclua também os processos dos sócios
Qual a situação cadastral e o CNAE principal desse CNPJ?

2 ferramentas disponíveis

ToolDescrição
cnpj_consultarConsulta cadastral de um CNPJ (grátis): razão social, nome fantasia, situação cadastral, CNAE principal, porte, município/UF e SÓCIOS (QSA). Útil pra identificar a empresa e seus sócios antes de buscar processos.
cnpj_processosDESCOBERTA por CNPJ: resolve o CNPJ em razão social (e sócios) e busca os processos por NOME no Diário (DJEN) — grátis, com número de processo completo. Opcionalmente inclui os processos dos sócios. Com os números, enriqueça com as tools datajud.

Detalhe de cada tool: docs/ferramentas.md


Como funciona

1. Instala o MCP no seu cliente (Claude / Cursor / VS Code)
2. Pergunta sobre qualquer CNPJ — sem login, sem cadastro
3. cnpj_consultar traz o cadastro + sócios (dados públicos da Receita Federal)
4. cnpj_processos resolve o CNPJ em nome e acha os processos no DJEN
5. Com os números de processo, enriqueça com as tools datajud

Combina bem com o Legal MCP e o DataJud MCP pra due diligence completa.


Preços

Grátis.


Privacidade & LGPD

  • Somente leitura, nenhuma ferramenta altera dados na origem.
  • Sub-processadores: o LLM host que você escolher (Claude, ChatGPT, Cursor, agente próprio). Lista completa em docs/privacidade-lgpd.md.
  • Os dados retornados pelas tools são enviados ao LLM host que você escolher, sub-processador fora do nosso controle. Recomendamos planos com opt-out de treinamento.

Perguntas frequentes

Precisa de login ou cadastro? Não. É grátis e funciona sem login, os dados de CNPJ são públicos da Receita Federal.

De onde vêm os dados? Cadastro: base pública da Receita Federal. Processos: Diário de Justiça Eletrônico Nacional (DJEN), busca por nome.

Acha TODOS os processos da empresa? A busca é por nome no DJEN (descoberta), ótima pra achar números de processo. Pra histórico completo de um processo, use o número com as tools do DataJud.

O servidor é open source? O servidor é proprietário (hosted). Este repositório é o wrapper público com manifestos, docs e skills, tudo MIT.


Suporte

  • 📧 cnpj@mcp.ai
  • 🐛 GitHub Issues
  • 📄 docs/

Licença

MIT — veja LICENSE. O servidor MCP em api.mcp.ai/p_cnpj é proprietário (hosted); este repositório (manifestos, docs, skills) é MIT.

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