Mastodon connections are not available yet
Publishing to Mastodon is built, but you cannot connect a Mastodon account in PostAI today, so nothing on this page is usable yet. Everything else below describes how it will work once connections ship.
schedule Mastodon posts across any instance
Connect any Mastodon instance via per-instance OAuth. Schedule posts with content warnings and visibility controls.
start free — schedule the platforms we support today7-day trial · no credit card · all 8 platforms included
how to schedule Mastodon posts with PostAI
Mastodon's federated design means your account lives on a specific instance, and most schedulers don't handle that well. PostAI connects to any Mastodon instance via per-instance OAuth and schedules your posts with full support for the controls that matter on the fediverse: content warnings, visibility settings, and media attachments.
Schedule public posts, unlisted posts, or followers-only posts, attach images with alt text, and set content warnings where appropriate — all on a queue that publishes automatically. Cross-post from X or Bluesky to reach the Mastodon audience without copy-pasting between apps.
why PostAI for Mastodon?
PostAI isn't just a Mastodon scheduler. when you connect your Mastodon account, you get the full scheduler plus an AI writer guided by your voice profile, plus growth tools tailored to the platform. all 8 platforms are included in every plan — you're not paying extra for Mastodon.
Mastodon scheduler — frequently asked questions
Can I schedule Mastodon posts on any instance?
Yes. PostAI connects to any Mastodon instance via per-instance OAuth and schedules posts with content warnings, visibility controls, and media attachments.
Does PostAI support Mastodon content warnings and visibility?
Yes. You can set content warnings and choose public, unlisted, or followers-only visibility on every scheduled Mastodon post.
schedule your other platforms too
looking for a free Mastodon tool? try our free Mastodon tool →
want to grow your Mastodon following? How to Build a Social Media Content Calendar That You'll Actually Use (Template Included) →