Record before and after clips for pull request using Claude Code (www.pr-preview.com)

Claude Code has introduced a powerful new feature called PR Preview, designed to streamline code review by automatically generating before and after video clips for pull requests. By simply describing the desired flow, users can capture their application's behavior in a real Chrome window, producing polished MP4 clips that can be easily embedded into GitHub pull requests. This open-source tool operates locally and supports any web framework, ensuring developers can view how changes affect the user interface in a straightforward manner. The significance of PR Preview lies in its ability to enhance the code review process, making it more visual and intuitive. As AI-generated code becomes more prevalent, understanding how these changes impact the UI is crucial. PR Preview stands out by utilizing accessibility trees to guide the Chrome browser through user interactions, offering a detailed, step-by-step visual representation without relying on manual screen recording. By generating clean, professional clips automatically, PR Preview simplifies feedback and improves collaboration among developers, making it an essential tool in the AI and machine learning landscape.