CADIN São Paulo for ChatGPT

io.github.mcp-dir/cadin_sp-mcp

Status of a CPF or CNPJ in the São Paulo treasury default registry (CADIN). Platform-hosted, no cred

client:ChatGPT transport:streamable-http tools:7

Install CADIN São Paulo in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api.mcp.ai/p_cadin_sp

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