n8n use cases for engineers (9)

9 depth-gated n8n use cases for engineers.

• Fetch Live ETF Metrics from JustETF to Excel with One-Click Updates
• Build a Knowledge Base Chatbot with Jotform, RAG Supabase, Together AI & Gemini
• Create Ken Burns zoom video clips from text prompts with Pollinations and FFmpeg
• Self-heal failed workflows from webhook errors using an external AI API
• Run synthetic regression tests for webhook and HTTP API workflows
• Find Microsoft 365 SMTP AUTH senders with Microsoft Graph, OpenAI and Google Sheets
• Monitor app errors and heartbeats with OpenAI triage and Gmail alerts
• Supervise ROV commands using multi-agent OpenAI planners and Telegram
• Update and roll back WordPress plugins and themes via SSH with Groq analysis