Generate & optimize brand stories with Ollama LLMs and Google Sheets

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-triggered brand story request

Guides the user to generate a structured brand story

Evaluates the story for tone, uniqueness, quote inclusion, and emoji removal

Loops through optimization until the story is finalized

Saves the final story to Google Sheets

Target Users Startup founders