Ever wished AI could do more than just talk? This guide is your answer. We provide a complete, beginner-friendly blueprint for constructing an AI agent that takes real action. Learn to connect an LLM's brain to your apps like Google Sheets, all within the powerful n8n platform. ✨

We'll talk about:

• What an AI Agent is and its core components (Brain, Tools, Brain Stem).
• Setting up your environment with n8n, OpenAI, and Google Sheets.
• Building the Brain by connecting a Large Language Model and adding memory.
• Equipping your Agent with Tools to interact with real-world applications.
• Crafting the perfect System Prompt to instruct and control your agent's behavior.
• Testing, troubleshooting, and improving your new AI assistant.

Keywords: AI Agent, n8n Tutorial, OpenAI, AI Workflow, AI Automation, LLM, Google Sheets.

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