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Michelangelo renders your generated app in an inline sandbox so you can interact with it immediately, without leaving the app.

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Owner Preview

When you open one of your own projects, the editor shows:
  • A live sandbox preview in the center.
  • The project name in the header.
  • A settings button to rename, share, delete, or connect GitHub.
  • A prompt input at the bottom to keep iterating.
This is the central workspace for building and refining your app.

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Public Preview

When you open a project from the Explore feed, the app uses the read-only preview screen. You can interact with the app and see project info, but you cannot edit it. The public preview URL format is: 
https://michelangelo.land/preview/{projectId}

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Sandbox Behavior

The inline sandbox renders the generated source files inside a native view so you can tap, scroll, and test the app as if it were running on a device.

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Auto-Fix

If the sandbox throws a runtime error, Michelangelo can automatically send the error back to the AI and request a fix. This happens automatically during a session.

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Beta Builds

On beta builds, the editor may open the public preview page in a browser instead of rendering the sandbox inline. This is useful for testing distribution-related behavior.

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Loading States

While files are being fetched or generated, the editor shows:
  • A Creating… title during generation.
  • A loader while the project files are being prepared.
  • A skeleton placeholder if the sandbox fails to render.

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Next Steps

Share App

Share your app with a public link.

Explore

Discover what others are building.