In this tutorial video by Nate Herk, a complete workflow is built in n8n for creating an AI-powered email agent. The system combines an OpenAI chat model for processing user inputs, window buffer memory for maintaining conversation context, a Gmail tool for sending emails, and a Google Sheets contact database for dynamically retrieving recipient information. The video demonstrates setting up credentials, configuring dynamic expressions for email contents, and updating system prompts. Free access is provided via his free Skool community, where the workflow template is available.

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