I have my own feed setup with sites I like to frequent [1].
[0] https://hackaday.com/blog/feed/
[1] https://mechaelephant.com/feed
[0] https://github.com/abetusk/www.mechaelephant.com/tree/releas...
how did you filter which posts appear in the feed?
EDIT: I was able to make it work, I replaced the node module xmltojson with xq (python lib available from pip)
Also, a lot of subject matter experts hang out here so it just happens a lot :)