Forgive the over the top image. ;) You can download a JSON-formatted list of all the feeds here: rsslist.json. You can view the list in HTML here: rsslist.html.
I created an export of the MongoDB into an "agz" file (new one for me, but apparently it's a thing) for folks who want access to the raw data. There was nearly 30K recorded blog posts! You can grab it here: cfb.agz