I created [1]: you put a couple of CSS selectors into a config file, push it up to GitHub, and then GitHub actions will run twice a day to update the feed, and host it on GitHub Pages.
oh this is really cool. It requires zero infrastructure on the user's part (just a github repo) and does exactly what it advertises. Great job. I'm going to start using this.
[1] https://feed-me-up-scotty.vincenttunru.com/