i've actually been using jcink's multimods for a good few months now! it's.... got some pros and cons.

it's good for things like archiving threads (since jcink moves threads in two screens normally but the multimod bypasses the screen to select where you pick where you're moving the thread) and approving apps (since it can post the approval message, lock the thread,and move the thread to the right board all in one go rather than four or five actions). i like it. i'm probably going to keep using it as a tool going forward. but it's also a little limited (like you can't post as a specific account if you want all your approvals on the placeholder account, i think, nor can you do custom approval messages if you still do those).

i also kind of like jcink's shop item that can sort an account into a member group when used, since you can pretty easily set it up so that filing your claims upon acceptance will give you the points without giving you the increase in post count, but the animanga rpc isn't as used to it as the rl one is, so people are kind of thrown off by it. i think it's neat, i'd like to give it more of a shot (and i think it's a good way to set up a site so it's still functional for people to make new characters on sites that the staff aren't maintaining anymore, but that's just me).

i know it also has a user-created group option that i've not explored (it might not be as effective as actual membergroups), so i can't speak for it. but it might be a similar thing. and i think there's a few other things you can do via the site store (like unlocking threads) that might also be fun to test out, if a little worrying for potential security issues.