apipj · API de CNPJ MCP Server

by com-apipj Your server? Claim it

answering

apipj · API de CNPJ is answering right now. Last checked 4 min ago. It exposes 3 tools.

CNPJ API: Brazilian company records (Receita Federal open data). Google sign-in or API key

Uptime history 13 days of history

13 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

877 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check apipj · API de CNPJ every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 4 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

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

Settings → Connectors → Add custom connector, then paste this address

https://apipj.com.br/mcp

~/.codex/config.toml

[mcp_servers.cnpj]
url = "https://apipj.com.br/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "cnpj": {
      "url": "https://apipj.com.br/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "cnpj": {
      "type": "http",
      "url": "https://apipj.com.br/mcp"
    }
  }
}

Available tools 3

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

consultar

consultar_cnpj

Dados cadastrais públicos de um CNPJ na base da Receita Federal (lote mensal): razão social, nome fantasia, situação cadastral, endereço, telefones, e-mail, atividades CNAE, natureza jurídica, porte, capital social, Simples/MEI e sócios (CPF mascarado). Exige uma conta apipj: o cliente pede para conectar e entrar com o Google (OAuth) ou envia uma chave de API; cada consulta conta no limite por minuto e na cota mensal do plano da conta.

status

status_base

Status do serviço e da base de CNPJ: mês do lote da Receita Federal carregado, data de geração e quantidade de CNPJs. Sem chave e sem consumo de cota.

validar

validar_cnpj

Confere formato e dígitos verificadores de um CNPJ (numérico ou alfanumérico) sem consultar a base. Devolve cnpj, valido, formatado, alfanumerico e erro. Sem chave e sem consumo de cota.

Endpoints

URL	Transport	State	Latency	Checked
https://apipj.com.br/mcp	streamable-http	answering	834 ms	4 min ago

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apipj · API de CNPJ — questions

Answers built from our own checks of this server.

What can apipj · API de CNPJ do?

It exposes 3 tools, read directly from the server on our last check. Among them: consultar_cnpj, status_base, validar_cnpj. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is apipj · API de CNPJ working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 877 ms. The bar chart above shows every period we have measured.

How do I connect apipj · API de CNPJ?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does apipj · API de CNPJ need an API key?

No. apipj · API de CNPJ completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is apipj · API de CNPJ?

It answers our handshake in 877 ms on average, which is faster than 9% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.