Eddish Invoicing for ChatGPT

net.eddish/invoicing

Track time and expenses, approve timesheets, and draft and send invoices in Eddish.

client:ChatGPT transport:streamable-http

Install Eddish Invoicing in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://invoicing-api.eddish.app/mcp

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