Generate blogs with GPT-4o prompt chaining: outline, evaluate & publish to Sheets

Description This n8n automation template delivers a full-stack AI content pipeline designed for marketing teams, content creators, SaaS founders, and growth hackers. It combines prompt chaining, GPT-4o agents, and Google Sheets to generate engaging, SEO-friendly blogs—end to end. What This Template Does: 📝 Generates blog topic ideas using a domain-specific AI agent (e.g., for Sparrow API testing) 📄 Creates a blog outline with key sections and headings ✅ Evaluates & refines the outline to ensure clarity, flow, and engagement 🧾 Writes the full blog content in structured, long-form paragraphs 📥 Appends the blog to Google Sheets with the current date Built With: - GPT-4o (via Azure OpenAI) - LangChain Agents for task-specialized prompt chaining - Google Sheets integration for automatic publishing - Schedule Trigger for periodic content generation Ideal Use Cases: - SaaS teams looking to scale inbound content - API platforms (like Sparrow) publishing technical how-tos - SEO agencies automating client blog content - Solo founders growing product visibility via thought leadership