This server
Identifies this PC or service: it shows in the installed app, the tab and the notifications.
Color
If the app is already installed, its name and icon may take a while to update (or uninstall and install it again).
Terminal
Colors of the terminal and of the key bar. They stay as you choose, whatever the light or dark mode of the interface. Only on this device.
Notifications
You are told when Claude finishes or is waiting for you, even with the app closed.