Brazil CNPJ company registry for Claude.ai

io.github.bnovarini/cnpj-mcp

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

client:Claude.ai transport:streamable-http tools:8

Install Brazil CNPJ company registry in Claude.ai

Settings → Connectors → Add custom connector

https://cnpj-mcp.fly.dev/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

dataset_info
search_companies
count_companies
get_company
list_partners
search_partners
companies_at_address
lookup_codes

Brazil CNPJ company registry in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

Brazil CNPJ company registry MCP server