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Every box is a Linux VM with a curated set of tools available from the moment you SSH in. Nothing to install before you start working.

Pre-installed tools

AI & automation

Languages & runtimes

Version control

Utilities

Desktop access

Every box has a browser-based desktop stream. Open it with:
Useful for tools that need a GUI — browsers, Electron apps, visual debugging.

SSH access

Boxes accept connections over standard SSH. The CLI manages your key automatically at ~/.ssh/ascii_box_ed25519, but you can also retrieve the private key for use with external tools:

Port forwarding

Forward any port from the box to your local machine:
See CLI Reference for full options.