> However, even after browsing their site, is contacting them the only way to get something up and running?

Yes, per this post:

> I don’t think we would ever do a “self-service” thing where you could just sign up and immediately make a wiki. We want to do projects where we get to know the community, and closely support every wiki we host.

...

> If you liked this and want to talk to me about wiki things, please come say hi[1]

1: https://weirdgloop.org/contact