1
Turn on Developer mode
On chatgpt.com, open your profile → Settings → Apps & Connectors (or Connectors / Apps) → Advanced settings, and turn on Developer mode.
2
Create the app
Back in Apps & Connectors, click Create and fill in:
Confirm that you trust the application and click Create.
3
Approve and sign in
ChatGPT opens LePosta’s consent page. Click Permitir (Allow), then sign in to GitHub and authorize LePosta.
4
Use it in a chat
In a new chat, enable LePosta from the + menu of the message box, then try “Do I have postas?”. ChatGPT may ask you to confirm each tool call that writes; that’s expected in Developer mode.
Status: expected to work, not yet tested with LePosta. If something fails, tell the person who invited you.