Social media on autopilot, for free

What you'll see in this lesson

1. The complete system, from idea to publication

   Six chained pieces: a calendar, ComfyUI for images, a model for copy, your approval, Postiz and the networks.

2. The calendar: a table in charge

   Each row is a post: date, network, topic, format and status. n8n reads the pending rows and turns them into pieces.

3. Images: ComfyUI as a service

   You export your ComfyUI workflow in API format and n8n launches it over HTTP, changing only the text, seed and size.

4. Copy: a local model or a very cheap one

   With Ollama and a model like Gemma 4 or Qwen3.8 you write copy for free; via API, a small model costs pennies a month.

5. Human review: nothing goes out without your OK

   Before scheduling, n8n sends each piece to your phone and waits for you to tap Approve or Reject.

6. Postiz or Mixpost: the post scheduler

   Postiz is free and open, has an API, an n8n node and 30+ networks. Mixpost Lite is free, but publishes to only 3.

7. What each network allows via API

   Official APIs have caps and requirements worth knowing before building anything, especially TikTok and X.

8. How not to get banned

   Always post through the official API, at a human volume and with different content on each network and account.

9. Summary

   A calendar, locally generated pieces, your approval and a free scheduler: social media almost on autopilot.