I made something similar a few years ago (https://github.com/danielecook/upvote.pub https://github.com/danielecook/upvote.pub) and it even hit the front of HN..

I made something similar a few years ago (https://github.com/danielecook/upvote.pub https://github.com/danielecook/upvote.pub) and it even hit the front of HN...but couldn't get enough traction. I hope yours sees more success.