Ask for an app.
Type a request below — a dice roller, a tip calculator,
a color palette generator — and Claude builds it as an interactive window
right here. Click around inside a generated app and it talks back to the model.
Type a request below — a dice roller, a tip calculator,
a color palette generator — and Claude builds it as an interactive window
right here. Click around inside a generated app and it talks back to the model.
This tool calls Claude directly from your browser. Bring your own key.
localStorage and sent straight to
api.anthropic.com — nowhere else. This site is static; there is no backend to receive it.A generative-UI prototype for whatupwolf.com/lab.
You type a request. Claude answers by calling tools that create and edit app windows on the canvas — each window is a small self-contained HTML app it writes on the fly. When you interact with a generated app (click a button, submit a form), that event is posted back to the model, which updates the window. The model, its tools, and the canvas form a loop.
allow-scripts only, no same-origin — so it
can run but cannot reach this page, its storage, or your key. All app↔page messages go over postMessage.