Mastodon Integration
Mastodon Video & Post Scheduler + MCP API Integration
Quick Summary (Reviewed 2026-10-15)
Reeling supports Mastodon publishing and scheduling via OAuth 2.0 / Authorized Platform Credentials in Connect Channels. Video status using an instance URL and access token; instance permissions and limits apply. Plans start at $2.99/month (Starter) and $5.99/month (Creator with full REST API & 14-tool MCP server access).
Mastodon Technical Specifications & Capabilities
| Connection Method | OAuth 2.0 / Authorized Platform Credentials in Connect Channels |
|---|---|
| Publishing Scope | Video status using an instance URL and access token; instance permissions and limits apply. |
| File & Text Limits | 40 MiB advertised capability; use that conservative cap. Text: 500 characters in this integration. |
| Spam & Pre-Flight Check | Pre-flight media, aspect-ratio, and character-limit verification |
| Unified Inbox | Not implemented. |
| Analytics Metrics | Not fetched. |
| AI Agent / MCP Support | Supported via reeling_publish_post and POST /api/v1/publish |
How to Schedule & Automate Mastodon Posts
- 1Connect your Mastodon account in Reeling → Connect Channels.
- 2Upload your video or generate an AI storyboard in Compose, and customize Mastodon-specific visibility and interaction settings.
- 3Publish immediately, schedule on the visual calendar, or automate via the Reeling REST API & MCP server.
Automate Mastodon via MCP Server (Claude, Cursor, OpenClaw)
Full MCP setup guide →{
"tool": "reeling_publish_post",
"arguments": {
"projectId": "YOUR_PROJECT_ID",
"platforms": ["mastodon"],
"caption": "New release walkthrough — prepared and scheduled with Reeling.",
"videoUrl": "https://cdn.example.com/demo.mp4"
}
}Frequently Asked Questions — Mastodon
What are the upload and text limits for Mastodon in Reeling?
40 MiB advertised capability; use that conservative cap. Text: 500 characters in this integration. Publishing scope: Video status using an instance URL and access token; instance permissions and limits apply.
Does Reeling support Mastodon analytics and comment inbox management?
Inbox support: Not implemented. Metrics support: Not fetched.
Explore All 15 Reeling Channel Integrations
Ready to connect your Mastodon account?
Start scheduling posts, running Pre-Publish Spam Checks, and automating with MCP.