This pre-built n8n workflow runs every 5 hours and automatically fetches every comment across all your YouTube videos, generates an AI-powered on-brand reply using GPT-4o, posts it directly back to YouTube, and logs each comment to prevent duplicate replies — completely hands-free. Perfect for creators who want an always-active, always-engaged channel without spending hours in the comments section. Just import the JSON, connect your credentials, and never miss a comment again. Includes the complete setup guide.