Description
Automated error diagnostics and HTML reporting for n8n — powered by AI
📉 Stop manually debugging failed executions — this workflow turns error metadata into expert-level insights using GPT-4o
🧠 What Problem Does It Solve?
Manually troubleshooting failed n8n workflows is tedious, inconsistent, and slow to scale. This workflow automates the error analysis process and delivers GPT-powered diagnostics for:
🔹 Node-level failures
🔹 Execution metadata
🔹 Root cause explanations
🔹 Step-by-step resolutions
⚙️ How It Works
🛑 Listens to all workflow errors via the Error Trigger node
📦 Captures detailed failure metadata: execution ID, workflow name, node details
🧠 Sends error context to GPT-4o for root cause diagnosis
📄 Parses the AI response into a structured JSON
🎨 Generates a styled HTML email report with analysis + resolution
📧 Sends the report to your support/dev inbox via Gmail
✨ Key Features
🧲 Works across all workflows or specific ones of your choice
💬 Uses GPT-4o to provide expert-level suggestions and fixes
📨 Sends professional HTML reports to your inbox
🧱 Built-in filtering for manual runs, test mode, and noisy nodes
📊 Scales to teams — notify multiple recipients via To/CC/BCC
🔧 Easily customizable for branding, prompts, and formats
🧰 What You Need
✅ Self-hosted or cloud n8n with Error Trigger node
✅ OpenAI API Key with GPT-4o access
✅ Gmail (OAuth) credentials
✅ Admin/support email address
🛠️ Setup Instructions
🔗 Connect the Error Trigger to this diagnostic chain
🔐 Add your OpenAI and Gmail credentials
📧 Set your preferred recipients in the Set Email node
🧪 Customize prompt & styling in "Error Solver Agent" or "Generate Email" nodes
✅ Test with a failed workflow to see the full email output
🧩 Integrations
📬 Google Gmail
🧠 OpenAI GPT-4o
⚙️ n8n Workflows
