Mastodon scheduler
Schedule Mastodon posts with your AI agent.
Schedule public Mastodon posts and threads with images, video and alt text; PostQueen waits for your server to process video before posting. Your AI agent can schedule them for you.
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Post types on Mastodon.
- PostAlways public
- Images and videoWith alt text; your server sets how many
- ThreadEach part replies to the one before, with an optional delay
- Unlisted, followers-only or directEvery post is public
- Content warnings and pollsNot available
- Accounts on other serversOne Mastodon server only
Mastodon limits.
| Post text | 500 characters | DocsOfficial docs |
|---|---|---|
| Media per post | Usually 4 images or 1 video; your server decides | DocsOfficial docs |
| Video | MP4, within your server’s video size limit | DocsOfficial docs |
| Posting rate | 300 posts per 3 hours per account | DocsOfficial docs |
From each network’s documentation and PostQueen’s own checks.
How to connect
- Open Add Channel and pick Mastodon.
- Sign in to your Mastodon account on the login page that opens, and approve access.
Settings in PostQueen
- Part delay
- Give each part of a thread its own delay after the part before.
From your agent
Post to Mastodon by asking.
Ask Grok Bot, Muse, Claude, ChatGPT or any AI agent, and the post lands on your calendar.
Good to know
- PostQueen connects accounts on one Mastodon server, the one its login page opens. Other servers can’t connect.
- Every post goes out as public. Unlisted, followers-only and direct visibility are not available.
- PostQueen waits for your server to finish processing a video before the post goes out.
Mastodon questions, answered.
Anything else? Write to support@postqueen.ai and a person answers.
No. PostQueen connects accounts on one Mastodon server, the one shown when the login page opens. Accounts on other servers can’t be connected.
Every post PostQueen publishes to Mastodon is public. Unlisted, followers-only and direct visibility, content warnings and polls are not available.
Yes. Add follow-up parts and they are published as a native reply chain, with an optional delay between parts. Each part can carry images or video with alt text.
Yes. Once PostQueen is added to your AI agent through the MCP server or the CLI, it can schedule posts or threads, with image descriptions, to your connected Mastodon account.
Not the post itself. PostQueen sends it with Mastodon’s protection against double posting, so a retry does not publish it twice. Replies in a thread are sent without that protection.
Anything else? Write to support@postqueen.ai and a person answers.
Bluesky
Threads
Lemmy
NostrPut Mastodon on autopilot, your way.
Schedule from the calendar or ask your agent.Schedule from the calendar or ask your agent. Every post lands on the calendar first.
Start 7-day trial for $0$0 due today. Cancel in one click.