Does what it says on the label

This plugin solves a core frustration in the fediverse: Sites have their own identities, but most of us already have separate identities in the fediverse, too. FediBoost automatically boosts posts from your site’s identity from your own identity in the fediverse.

It does what it says on the label, and it even works with custom post types if ActivityPub is enabled for them. It has wp-cli support, too.

If you federate your blog posts with the ActivityPub plugin and want to automatically boost them from your main account, give it a try!