UISandbox for Claude Code

io.github.ideelab/uisandbox

Play with your app's design in the browser: load a build, turn the knobs, export the code.

client:Claude Code transport:stdio runtime:npm

Install UISandbox in Claude Code

run in your project directory

claude mcp add uisandbox -e UISANDBOX_URL=<UISANDBOX_URL> -- npx -y uisandbox-mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs