action .new

Run a command in a fresh cloud VM.

Type any shell command. action.new boots a disposable Linux machine (4 vCPU, 8 GB), runs it, and shows you the output. Sign in with your cmux account; your command runs right after.

Disposable by defaultEvery run gets its own VM. No state leaks between runs.
Keep the machinePromote any run to a live web terminal with one click.
Real Linuxgit, node, python, claude, and codex preinstalled.

Powered by cmux · runs on Freestyle VMs · want a full machine? try devbox.new