Nice! Love your reply! ok so, since I deleted the random button from Kolony, I can offer an alternative. This other app hosted I have hosted on GitHub has similar functionality. https://hiveuprss.github.io/randomhive/
I remembered I also love the random post feature. I'll add it to the Kolony to-do list. I found your post because I've been actively rebuilding Kolony and making it more usable.