Libredirect seems more practical https://libredirect.github.io/
Discussion
Yes, libredirect bot that does everything the extension does just as kind1 notes.
Aight, it'd be useful if it replied with a bunch of different instances as some of them could be down or have too much latency (my particular issue here down south). And piped instances too.
Just FYI, you can set a custom instance in the noStrudel privacy settings, which does said replacement client-side. 