CND Federal for ChatGPT

io.github.mcp-dir/cnd_federal-mcp

Issues the federal tax clearance certificate (CND) for a person or company from the CPF or CNPJ. Pla

client:ChatGPT transport:streamable-http tools:7

Install CND Federal in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api.mcp.ai/p_cnd_federal

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs