AVOID AI SLOB: Build a n8n Social Media Automation That Actually Works

Automate social media reels with AI using n8n — without creating low-quality AI slop. In this step-by-step tutorial, you’ll learn how to build a fully automated social media workflow that generates, reviews, and posts short-form content across Instagram, TikTok, and LinkedIn. We’ll build an end-to-end automation that: • Generates AI-based reel content • Randomises assets from Google Drive • Creates structured prompts for video generation • Adds captions and text overlays automatically • Sends content for approval • Auto-posts to multiple platforms on a schedule This workflow uses n8n, OpenAI, SubMagic, and platform tools like Wavespeed and Blotato — designed for creators and businesses who want automation that actually works in production, not demos. If you’re a: • Creator tired of manual posting • Business owner scaling content • Automation builder using n8n This tutorial shows how to replace repetitive social media work with a reliable AI automation system. TIMESTAMPS 00:00 Why Most AI Social Media Automation Fails 00:20 Creating AI-Generated Social Media Reels 01:04 Building the n8n Automation Workflow 02:06 Randomising Assets from Google Drive 03:22 Generating AI Video Prompts 04:55 Connecting External APIs & Tools 09:16 Auto-Scheduling Reels (Blotato Setup) 19:11 Reel Generation Workflow Overview 19:46 Image + Prompt Configuration 20:29 Executing the Automation 20:59 Fetching & Handling Results 24:49 Adding Captions with SubMagic 29:45 Approval Flow via Gmail 33:04 Auto-Posting to Social Media 36:25 Cost Breakdown & Final Thoughts 🔗 Links and Resources n8n: https://n8n.partnerlinks.io/automatewithmarc Free Workflow Template: https://n8n.io/workflows/13110-generate-daily-ai-reels-from-google-drive-images-with-gpt51-wavespeed-and-submagic/ Free n8n Workflow Template library: https://n8n.io/creators/marconi/ Blotato for social media post scheduling: https://blotato.com/?ref=marconi Use code MARC20 for 20% OFF your first 3 months Submagic for caption editing: https://submagic.co/?via=marconi75 Use code AUTOMATEWITHMARC for 10% OFF 💡 Connect with me: Instagram: / automatewithmarc LinkedIn: / marconi-darmawan Email: automatewithmarc@gmail.com ☕️ Buy me Coffee: https://buymeacoffee.com/automatewithmarc #n8n #socialmediaautomation