Social Publish
https://github.com/alexandru/social-publish/actions/workflows/build.yaml https://github.com/alexandru/social-publish/actions/workflows/deploy.yml
In implementing POSSE (publish on your own site, syndicate elsewhere), I need to publish to multiple social networks. Social Publish provides direct API integration for X (Twitter), Mastodon, Bluesky, and LinkedIn, plus an RSS feed for automation.