I'm working on one that's a little bit different but still uses RSS (and also supports discord). It even works for videos. Still tweaking but it's almost there. Here's one of its recent posts. It follows about 50 accounts so far. 🤷‍♂️

nostr:nevent1qqsye3k3lntvd463s3p86e4v09nunzyzx9hrj0a92quh0xwnqgzqpmgpzemhxue69uhkummnw3ezumtfde5kueewwd3j7q3qxqj6h3g3vuhfx5qa5faguq837x5k699gmpf9vd3rsdesmnfr2clqxpqqqqqqz7ft5rf