Bookipi by Cotlet for ChatGPT
dev.cotlet/bookipi
Bookipi's business records connect the client, estimate and invoice.
client:ChatGPT
transport:streamable-http
Install Bookipi by Cotlet in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://cotlet.dev/mcp/v1/bookipi/connect
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs