LLM Video Generation and Publishing for YouTube, Instagram, and TikTok

This workflow automates AI-driven video content creation for social media, replacing manual ideation, scripting, and posting that consumes 10-20 hours weekly for content teams. The Schedule Trigger node runs every 8 hours, the Execution Validator If node ensures business hours, the Content History Reader Google Sheets node fetches past content for variety, the Data Aggregator Aggregate node summarizes data, the Content Context Builder Set node prepares prompts, the Content Ideation Agent LangChain Agent node generates concepts using OpenAI, the Content Concept Parser LangChain Output Parser node structures outputs, the Content Quality Gate If node filters low-engagement ideas, the Video Production Agent LangChain Agent node crafts prompts, the Video Generation API HTTP Request node creates videos via Fal.ai Veo3, the Generation Tracker Set node logs progress, the Generation Timer Wait node pauses, the Video Status Checker HTTP Request node monitors, the Completion Validator If node checks success with Retry Timer Wait for failures, the Video Result Processor Set node formats, the Media Uploader HTTP Request node stores, parallel YouTube/Instagram/TikTok Publisher HTTP Request nodes post content, the Archive Manager Google Sheets node prunes history, the Content Archive Writer Google Sheets node logs new content, the Success Notification HTTP Request node alerts via Slack, and the Final Success Response Set node summarizes. It aids social media managers in small agencies (10-30 staff) producing 50+ videos monthly, ensuring consistent, viral content without burnout.\n\nThis workflow saves 10-15 hours weekly generating 50 videos, boosting output by 80%. Use cases include TikTok trends, Instagram Reels, YouTube Shorts for digital agencies. Suitable for creative teams. Requires OpenAI ($0.03/1k tokens), Fal.ai Veo3 ($4-$6/video), Google Sheets (free), Blotato publishing ($0.10/post). Scalable to 200 videos/month with paid tiers.\n\nInstall n8n via n8n.io or cloud.n8n.io. Get OpenAI API key at platform.openai.com. For Fal.ai, sign up at fal.ai, get API key. Configure Google Sheets OAuth at console.cloud.google.com. For Blotato, get API key at blotato.com. Set env vars: OPENAI_API_KEY, FALAI_API_KEY, GOOGLE_SHEETS_CREDENTIALS, BLOTATO_API_KEY. Import JSON, update Schedule Trigger for 8-hour intervals. Configure Content History Reader/Content Archive Writer Google Sheets nodes with spreadsheet ID.\n\nTest manually: Execute workflow, check logs for ideation, video URL, posts. Verify social media. Errors: Invalid OpenAI key (regenerate), Fal.ai timeout (increase wait), Sheets auth (renew OAuth). Activate by enabling Schedule Trigger. Monitor dashboard weekly. Optimize by adjusting quality gate score; refresh tokens quarterly.", "businessValue": "Saves 10-15 hours/week generating 50 AI videos", "setupTime": "45-60 minutes", "difficulty": "Intermediate", "requirements": ["OpenAI ($0.03/1k tokens)", "Fal.ai Veo3 ($4-$6/video)", "Google Sheets (free)", "Blotato ($0.10/post)", "n8n instance"], "useCase": "Automated AI video creation and multi-platform posting"