Ultrademo turns Claude Code into a web app demo video maker
Ultrademo is a that creates s for web apps. It was made for teams that often need walkthrough videos for app flows, new features, and special use cases, where manual recording can take many repeated attempts. It installs with `npx skills add new-xp/ultrademo`; on the first run, it prepares a workspace and installs tools such as and Remotion.
The user asks Claude for a , gives a short brief such as a two-minute walkthrough, and provides either an app URL or a local app . If the app requires sign-in, the login details go in a .env file. Claude then explores the app and writes a scene-by-scene script, which can be edited before moving on.
The tool is free, released under , and runs on the user’s own machine.
Key points
- Ultrademo is a for automatic web app s.
- The install command is `npx skills add new-xp/ultrademo`.
- The first run installs needed tools such as and Remotion.
- The user provides a short brief and either an app URL or a local .
- Apps that need sign-in require login details in a .env file.