Generate & Optimize Brand Stories with Ollama LLMs and Google Sheets

About

Overview This n8n automation template allows marketers, branding teams, and creative professionals to auto-generate, evaluate, and iteratively optimize brand stories using Ollama-hosted LLMs and LangChain agents. Each story is refined until it meets quality criteria and is then saved to Google Sheets for publishing or reuse. ⚠️ Note: This template uses community nodes and requires a self-hosted n8n instance with LangChain and Ollama integrations. What the Workflow Does Receives a chat-triggere