As such I thought it would be nice to implement JSON feed here on this blog. Unfortunately there isn't yet a JSON feed plugin for Grav, however there is a feed plugin - which I was already using to provide RSS. As such I decided to do a bit of playing with it, and a pull request or two later there will be a JSON feed! In the mean time I've already implemented it locally.
And just for fun, I made a workflow where you can read JSON feeds: JSON Feed Reader, to keep the Workflow from getting too long (and because it was just a proof of concept), the article you select is opened in the in app Safari window and there's no tracking which articles you have or haven't read.