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lookup_codes — Brazil CNPJ company registry MCP Tool Read-only

lookup_codes (lookup codes) is one of 8 tools on the Brazil CNPJ company registry MCP server. Connect the server and your client discovers it on the handshake.

by client

How to call lookup_codes from your client

Fastest route

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

Other tools on this server

This list was read from the server itself, by connecting to it and calling tools/list on 8 October 2026. It is what the server actually exposes, not what its listing claims.

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.