@sharpsphere @Jdreben There’s no way yet. I’m hopeful that a Lemmy or Mastodon updates adds some sort of flag for top level posts to allow them to be filtered.

As it stands, I just browse lemmy with my lemmy account, and then copy the link and paste it into my Masto instance if I want to comment.
Like I’m doing now!

@sharpsphere lmk if you find out because I’m having the same problem

I don’t know if this will work, and I’m going to have to try it, but Mastodon has a feature when looking at someone’s profile to ignore boosts. My understanding of how Lemmy federated to other platforms is that the comments appear as boosts by the community, so turning on that option might do what you want.

(This is also why I stopped following communities through Mastodon, but I only thought of the no-boost idea just now when I saw your comment!)

Edit: It doesn’t seem to work. The top-level posts don’t show up in Mastodon either, which makes sense, because now that I look at it again, they’re also federated as boosts.

Yeah despite being able to see communities and tops ok either platform, I have seperate lemmy and mastodon accounts for this reason. I want to keep forum style conversation seperate from a stream of toots.