The Postiz MCP server provides a comprehensive suite of tools for automating social media management across 30+ networks, including X, LinkedIn, Instagram, Facebook, TikTok, YouTube, Reddit, Threads, Bluesky, Mastodon, and many more. Postiz is an open-source, AI-powered social media scheduling platform that lets users plan, generate, and schedule posts automatically, then review and edit everything in a visual calendar.
The tools fall into several main categories: account management (listing integrations and customer groups), content scheduling (understanding platform schemas and scheduling posts with comments), and AI media generation (creating images and videos to attach to posts). There are also supporting utilities for uploading external media and triggering platform-specific data lookups.
Together, these tools enable a fully agentic workflow — you can draft content, generate matching visuals, and schedule everything end-to-end across multiple platforms and client workspaces, all through natural conversation with the built-in "postiz" agent.
1. Cross-posting content to multiple platforms Write content once and schedule it simultaneously across several networks, with the schema tool ensuring each platform's requirements are met.
Schedule a post on LinkedIn, X, and Threads announcing our new product launch this Thursday at 10am UTC, with the text "Excited to introduce our latest feature!"2. Scheduling posts with comments/threads Create a main post plus follow-up comments (useful for threads or adding links in the first comment).
Post a tweet on X saying "Big news coming tomorrow 🚀" and add a first comment with the link to our blog at example.com/blog3. Generating AI images for posts Create visuals from a text prompt and attach them directly to a scheduled post when no media is provided.
Generate an image of a golden retriever wearing sunglasses on a beach and attach it to an Instagram post scheduled for Saturday morning4. Generating AI videos (UGC / Veo3 / slides) Produce short AI-generated video clips (image-text slides or audio+video) for platforms that require video attachments.
Create a vertical Veo3 video promoting our coffee brand and schedule it as a TikTok post for next Monday at 6pm5. Managing multiple brands/clients (customer groups) List customer groups and filter integrations belonging to a specific brand, ideal for agencies handling several clients.
Show me all the connected social accounts for my client "Acme Corp" and schedule a Facebook post for them6. Uploading external media before scheduling Import an image or video from a public URL into the media library so it passes upload validation before being attached.
Take this image URL https://example.com/photo.jpg and use it as the attachment for a Pinterest post scheduled tomorrow7. Bulk scheduling across days Schedule many individual posts spread across different days in a single request.
Schedule 7 different motivational quote posts on X, one each day for the next week starting Monday at 9am UTC8. Saving posts as drafts for review Create draft posts that can be reviewed and edited in the visual calendar before publishing.
Draft a LinkedIn post about the benefits of remote work so I can review it before it goes live9. Conversational end-to-end scheduling via the agent Delegate an entire multi-step workflow to the built-in "postiz" agent that drafts copy, generates media, and schedules it.
Ask the postiz agent to write a LinkedIn post about AI productivity tools, generate a matching image, and schedule it for Tuesday at 9am10. Discovering available accounts before posting List all available integrations to confirm which channels are connected and pick the right one.
List all my connected social media accounts so I can decide where to post my announcement