I use the Termius app on my phone, SSH to my workstation, run tmux attach -d to attach to the tmux session in which I'm running Claude, then tell it to do stuff. It can only do stuff that can be done via the command prompt, HTTP requests or MCP integrations (Gmail, Drive, Confluence, Jira, etc.), but that covers a lot of ground. "Only what I can do from the command prompt" is not much of a limitation.
I've told Claude to write a design doc in Confluence (which I reviewed and shared with others to get feedback); then implement the feature, including tests; build and run the code and tests on two hardware platforms (the host and an attached embedded QNX board); commit the code to a feature branch and push the branch upstream (where I reviewed it and told Claude what to fix); create a pull request; respond to reviewer comments; and merge the PR, all from my phone while a thousand miles from the workstation. I've only done the complete cycle from the phone once, but I've done pieces of it many times.
To make this work well, it helps to have a phone with a big screen. I have a Pixel 10 Fold, unfolded for Termius use. A tablet would be better... but if I'm going to lug a tablet around, my Macbook is better yet, since it's not that much bigger than a tablet and has a keyboard. And, obviously, I do reach for the laptop rather than the phone if I have it. But I can get a lot done from the phone.
This new feature is basically "Let poor GUI users do what command-line jockeys have been doing for a while".