It's a fast starting and fast pausing persistent VM, with a ton of built in developer tools (including a preconfigured Claude Code) and an extra JSON API for executing commands within it so you can treat it as a sandbox.
You may find my writeup here useful: https://simonwillison.net/2026/Jan/9/sprites-dev/
It's a fast starting and fast pausing persistent VM, with a ton of built in developer tools (including a preconfigured Claude Code) and an extra JSON API for executing commands within it so you can treat it as a sandbox.
You may find my writeup here useful: https://simonwillison.net/2026/Jan/9/sprites-dev/