oh my god https://omar.website/tabfs/

“TabFS is a browser extension that mounts your browser tabs as a filesystem on your computer.”

“Now you don't need to code up a browser extension from scratch every time you want to do anything. You can write a script that talks to your browser in, like, a melange of Python and bash, and you can save it as a single ordinary file that you can run whenever, and it's no different from scripting any other part of your computer.”