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CNPJ logo
Health: ActiveRecent health check succeeded.Last checked 9/7/2026, 9:42:18 PM

CNPJ

User RatingsBe the first to rate and review this MCP server! Enrichment pendingWe haven’t run our AI enrichment pass on this listing yet, so the overview, use cases, and FAQ below may be sparse or missing. We work through the catalog over time — check back soon.
View Repository1 GitHub StarsTotal stargazers on GitHub for the source repository (1 stars).Visit Website

Free Brazilian CNPJ lookup (legal name, status, partners) + lawsuit discovery. Public data, no login

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to CursorAdd to VS Code
Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Remote HTTP
Choose your client or environment
Target File:~/Library/Application Support/Claude/claude_desktop_config.json
claude_desktop_config.json
{
  "mcpServers": {
    "cnpj": {
      "url": "https://claude.ai/customize/connectors?modal=add-custom-connector&mcpName=CNPJ&mcpServerUrl=https%3A%2F%2Fapi.mcp.ai%2Fp_cnpj"
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Install Directory Badge Claim listing Alternatives⚖️ More in Legal

Documentation Overview

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:

Code
https://api.mcp.ai/p_cnpj

Detalhes por cliente: INSTALL.md.


Exemplos de uso

Code
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

Code
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.

Read the full README →View source on GitHub →

Related MCP Servers

View all in Legal View all alternatives
  • Cadastro PJ Básico logoCadastro PJ Básico

    Basic registration data for a company from a CNPJ: legal name, registration status, and legal nature

    ⚖️ Legal0 views
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  • DataJud (CNJ) logoDataJud (CNJ)

    Public lookup of Brazilian court cases (metadata + docket) via the CNJ/DataJud API. Free, no login.

    ⚖️ Legal0 views
    Compare vs DataJud (CNJ) →
  • LibreJustice logoLibreJustice

    Search French and European case law and French legal texts (codes, statutes, treaties).

    ⚖️ Legal1 views
    Compare vs LibreJustice →
  • Legal MCP (alternativa ao Jusbrasil) logoLegal MCP (alternativa ao Jusbrasil)

    Open-source alternative to Jusbrasil for AI: find lawsuits by name, CPF, CNPJ or case number and bui

    ⚖️ Legal0 views
    Compare vs Legal MCP (alternativa ao Jusbrasil) →

Reviews

No reviews yet — be the first to share how this listing worked for you.

Frequently Asked Questions about CNPJ

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "cnpj": { "command": "npx", "args": ["-y", "CNPJ"] } }

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Technical Specs & Signals

Category⚖️Legal
More technical detailsExpand ▾
TransportSSE (Remote)
RuntimeNode.js
Last updatedSep 7, 2026
Views0
Unique ViewsTotal visits recorded for this listing page on AllMCPs.
Installs0
Installs & Copy ActionsTotal times users copied install commands or configuration snippets for this server.
GitHub stars1
GitHub Star CountTotal stargazers on GitHub representing community popularity (1 stars).
36Quality signal: Fair · 36/100How this signal is calculated ▾
Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20
Documentation & tools16/30
Adoption & activity1/15
Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

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