Comment by tenebrisalietum

> they could have an endpoint “/following.json”, containing an array of urls from people whose stuff they like to read.

I'm game. This will work with Gemini too. Literally just an array of URLs? Don't you want at least a name for the array? Or does that make it took complex?

    { "following": [
      "https://news.ycombinator.com", 
      "https://aol.com"
      ]
     }