Curious if AI could really replace you? In this talk, we dive into the fast-evolving world of AI agents and their powerful capabilities. Starting with a comprehensive introduction, we'll explore the core concepts involved in designing the system powering an AI agent. We then discover the different architectures leveraging Vertex AI, and evaluate the challenges and solutions for each. Finally, we'll wrap up with some real-world examples and a live demo, showcasing the power and versatility of AI agents in action.