https://www.thebuddyforum.com/exilebuddy-forum/exilebuddy-profiles/157663-bot-exiledfollower.html I dont think this guy is active anymore but if you could add this onto your list for the future it would be amazing.
Now that OldGrindBot's source is included, it should be more viable for someone to do this using OGB as the base, then ripping out a lot of the unneeded stuff. However, a few APIs like Social aren't supported yet, but they will be in the near future.