It might be helpful if the GET URL for the add site dialog - http://www.newsblur.com/?url=%u - were more prominently linked somewhere - I didn’t notice it until I was glancing through the API docs here: https://dev.newsblur.com/api#/reader/…
…once found, it occurred to me I could drop it in Google’s RSS Subscription Extension for Chrome, which doesn’t appear to be going away and works well enough for what it does.
It’s small potatoes and I know you’ve got much bigger problems to solve, but I figured I’d mention it. Keep up the good work.