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