Nota Fiscal for ChatGPT
io.github.mcp-dir/notafiscal-mcp
Issue and manage Brazilian service invoices (NFS-e) by chatting with your agent, platform-hosted, no
client:ChatGPT
transport:streamable-http
tools:12
Install Nota Fiscal in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://api.mcp.ai/p_notafiscal
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs