When I did a little bit of contracting for TigerBeetle, I was working on these learning exercises and came up with some fun ingredients that could be used if you're trying to push what's possible https://github.com/tigerbeetle/tigerlings/pull/2
There isn't a way to block feeds (yet), but you can subscribe to specific feeds, which basically acts like creating your own list of allowed feeds.
Separately, I'm going to be working on letting you exclude content from certain domains (which was requested in https://feedback.scour.ing/33).
The same day Cloudflare had its unwrap fiasco, I found a bug in my code because of a slice that in certain cases went past the end of a vector. Switched it to use iterators and will definitely be more careful with slices and array indexes in the future.
It ranks articles by how closely related they are to your interests. You can import a set of RSS feeds or scour all 15,000+ sources.
I built it because I wanted to find the good articles among noisy feeds like HN Newest. I've also avoided RSS readers in the past because of that feeling of having thousands of unread emails.
Claude code with sonnet was pretty good but needed a lot of back and forth to get to the right solution. Opus feels closer to a colleague, maybe not your absolute best colleague, but far from your worst.