There are multiple ways for interacting with Jupiter.
The Web App
There is a Jupiter web app that you can access online. It only works in hosted mode and will store all the account's and workspace's data on infrastructure run by the Jupiter organisation. This is the preffered way to use the system, both for ergonomic and ease of access reasons.
The CLI App
You can run
To get online help from the app.
A typical command interaction might look like:
jupiter inbox-task-update --id 5 --status done