Generate workflows from natural language using GPT-4o Mini and n8nBuilder API

🤖 AI-Powered n8n Workflow Generator with n8nBuilder API Overview This workflow lets you generate complete n8n workflows from natural language descriptions using the n8nBuilder API. 🚀 Users submit a short description via a form, and the workflow returns a ready-to-import n8n workflow JSON. Why use it? - ⚡ AI-generated workflows from natural language - 🛠️ Production-ready patterns (triggers, error handling, best practices) - 🎯 Perfect for beginners who don't know which nodes to pick - 🔄 Two modes: Form-based and AI Chat Agent --- Prerequisites - 🔑 n8nBuilder account + API token — Get your free token at n8nbuilder.dev - 🏢 An n8n instance (Cloud or self-hosted) - 🤖 OpenAI API Key (Optional - to use with AI Agents) ⚠️ Important: Never expose your API key in public workflows. Use n8n Credentials for production setups. --- Setup Instructions 1. Get your n8nBuilder API token - Visit n8nbuilder.dev - Sign up or log in to your account - Navigate to Account → API to generate your token 2. Configure the Form The Form Trigger collects: - apitoken (required) — Your n8nBuilder API token - email (required) — Your email address - query (required) — Natural language description of the workflow (e.g., "Read RSS from https://n8nbuilder.dev/blog/feed.xml every hour and send Slack message if new post arrives") 3. Workflow Execution 1. User fills the form and submits 2. Workflow sends a POST request to https://api.n8nbuilder.dev/api/generate 3. n8nBuilder API processes the request and generates a complete workflow 4. Response is cleaned and formatted 5. User receives the generated workflow JSON ready to import 4. Outputs The workflow returns: - output — Complete n8n workflow JSON ready to import 💡 Tip: Copy the generated JSON and import it directly into your n8n instance via Settings → Workflows → Import from File. --- Customization Tips - 📝 Write clear descriptions: The more specific your query, the better the generated workflow - 🎨 Try different use cases: Data transformation, API integrations, scheduled tasks, webhooks, etc. - 🔧 Edit after generation: Generated workflows are production-ready but you can always customize them further - 🤖 Use AI Chat mode: Enable the AI Agent for conversational workflow generation --- Alternative: Use the n8nBuilder Community Node 🎁 Optional: Install the n8n-nodes-n8nbuilder community node if you prefer using a dedicated node instead of raw HTTP. See: GitHub Repository --- Troubleshooting - 401/403 Unauthorized → Check your API token in the form - Invalid JSON → Ensure your email and query are properly filled - No output returned → Verify your API token is valid and active - Slow response → Complex workflows may take a few seconds to generate --- Security Best Practices - 🔒 Do not hardcode API tokens in public workflows - 🔐 Use n8n Credentials for storing tokens securely - 🛡️ Keep your API token private and regenerate if compromised --- Learn More - 📚 n8nBuilder Documentation