Screenshot of a Kbin magazine's address as viewed from within Mastodon, where it looks like a Mastodon account labelled as a group.
https://media.mstdn.social/media_attachments/files/110/536/171/231/550/092/original/46ebd94fe0f3f3f2.png
Yes, you can do this from within Mastodon, but at the moment the current Kbin servers are so totally overwhelmed that this may not work.
Every person and group on the Fediverse has an account address which you can copy and paste into the search box in order to follow and interact with it. There's more info here:
I've attached a screenshot of what happens when I paste a Kbin address into Mastodon.
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