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mcp/harbor
Verified official

Brazil CNPJ company registry MCP

v0.1.0

io.github.bnovarini/cnpj-mcp

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

transport:streamable-http tools:8
View source

Target client

run in your project directory 

claude mcp add --transport http cnpj-mcp https://cnpj-mcp.fly.dev/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

dataset_info

dataset info

search_companies Read-only

search companies

count_companies Read-only

count companies

get_company Read-only

get company

list_partners Read-only

list partners

search_partners Read-only

search partners

companies_at_address

companies at address

lookup_codes Read-only

lookup codes

All 8 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.