Fediverse

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A community to talk about the Fediverse and all it's related services using ActivityPub (Mastodon, Lemmy, KBin, etc).

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Are there ActivityPub servers that can see others without necessarily connecting to them to better enable connections? (lemm.ee)

submitted 6 months ago by [email protected] to c/[email protected]

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By this I sort of mean like, in the case of Lemmy for example, something like a built-in Lemmyverse of sorts.

It wouldn't be pulling in data yet from other instances, but it would enable seeing that their communities were out there so you could then tell your server you'd like to subscribe/follow/etc. their community/channel/account.

Tbh despite having been around the fediverse for awhile, I'm not sure how else ActivityPub servers were supposed to have these different things found to start with.

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[–] [email protected] 2 points 6 months ago

Yeah, I know what you mean. I originally typed out a reply based on that assumption, but then re-read the post, and decided against it, in case I was assuming the wrong thing.

Currently, if you bring in a remote community, your instance fetches the details of: the community; its moderators (including their avatars and banners); the instance the community is on; the admins of that instance (including their avatars and banners); and the last 50 posts.

If you separated that into tiers, tier 1 could just be the community details (inc. the sidebar), and the instance name, and you could maybe skip the rest until someone subscribed to it. I don't think you'd want to bring in every available community, even for tier 1, because of the 29k communities listed on lemmyverse.net, at least 20k are completely dead (about 6k of that is just spam from a disgruntled lemmy.world user). The advantage of this is that a local user could find the community based on a local search. They'd be greeted by an empty-looking community though, so they'd have to know that subscribing to it would be worthwhile (probably by visiting it on its host instance, although apps can make that process difficult by being a bit too clever for their own good).

There's an Issue for PieFed that been raised about using something like lemmyverse to 'know' about remote communities. I'm 'freamon' in that discussion, but neither me or PieFed's developer have pursued it much further.