@tchambers Via the ActivityPub plugin. Friends does ship a bunch of AP functionality that is (currently) outside of AP’s scope: the ActivityPub plugin handles outgoing content and incoming replies, Friends handles all incoming content and interaction (i.e. following people, handling boosts, likes, and replying, adding support for https://wordpress.org/plugins/enable-mastodon-apps/ so that you can use Mastodon mobile apps to view your feed etc.)