Brazil CNPJ company registry

io.github.bnovariniv0.1.0Updated Oct 8, 2026

Brazil's open CNPJ registry: filter and count companies by sector, place, size, MEI, partners.

VerifiedStreamable HTTPWeb executableBusiness & Commerce

Overview

AI-generated overview

Lets an assistant query Brazil's open CNPJ company registry to filter and count companies by sector, location, size, MEI status, and partners.

What it does
This remote MCP server exposes Brazil's public CNPJ company registry, letting an assistant filter and count registered companies. According to the registry description, filtering and counting can be done by sector, place, size, MEI status, and partners. No individual tools are listed in the manifest, so the exact operations are not documented here.
When to use it
Use it when you need quick lookups or aggregate counts of Brazilian companies, for example market research, lead qualification, or checking how many firms match a sector and region. It is not intended for general web search or non-Brazilian company data.
Requirements
A remote streamable HTTP endpoint at no package installation is needed. The manifest declares no authentication, environment variables, or headers, so no credentials appear to be required. Network access to the endpoint is necessary.
Before you install
The manifest declares no authentication, so queries are sent to a third-party hosted endpoint and may be logged there. The registry description mentions partner data, which can involve personal information about company partners; treat results accordingly. No write, delete, or payment actions are indicated.

Installation

In SourceWeft

  1. Open Brazil CNPJ company registry in the dashboard and add it to a workspace.
  2. Enable the server for the chats that should use its tools.

Web executable via Streamable HTTP. Remote servers run from the web runtime once configured in a workspace.

Other MCP clients

Add this to your client's mcpServers config.

{
  "mcpServers": {
    "cnpj-mcp": {
      "type": "http",
      "url": "https://cnpj-mcp.fly.dev/mcp"
    }
  }
}

README

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Tools

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Version history

1
  1. v0.1.0LatestOct 8, 2026