Play with MPV is a Chrome extension and Python server that allows users to play videos in webpages using the MPV player. With this extension, users can simply right-click on links and pages to play videos in MPV, or use the Ctrl+Space shortcut. This extension works on nearly every website, thanks to the integration of youtube-dl.

To start using Play with MPV, users need to follow a few simple steps. First, they need to install the MPV player. Then, they need to install Python 2 or 3 and pip. After that, they can install the Play with MPV Chrome extension. Finally, users need to install the server by running the command `pip install git+git://github.com/thann/play-with-mpv --user` in the terminal.

Overall, Play with MPV provides a convenient way to watch videos in the MPV player directly from Chrome. It offers a seamless integration with webpages and supports a wide range of websites. Users can enjoy their favorite videos in high quality with the MPV player, making for a great video viewing experience.