About this ebook
AI Agents From Zero is a practical, visual guide to understanding, building, and using agentic AI. It explains complex concepts through clear language, visual explanations, architecture diagrams, workflows, and real-world examples.
You will learn how AI agents understand goals, reason about tasks, plan actions, use tools, access information, remember context, make decisions, and take action.
Inside the book, you'll learn:
• What an AI agent actually is and how it differs from a chatbot
• How large language models, prompts, context, reasoning, and planning work together
• How AI agents use tools, APIs, files, databases, and the web
• How memory, RAG, embeddings, and vector databases give agents access to knowledge
• How to design and build practical AI agents
• How agentic AI can be used for research, customer support, data analysis, coding, and personal assistance
• How the major components of an AI agent architecture work together
• Practical workflows and examples to help you move from concepts to implementation
Whether you are new to AI, a developer exploring agentic systems, or a professional looking to understand how AI agents can be applied to real-world problems, this book provides a straightforward path from fundamentals to practical understanding.
No unnecessary jargon. No complicated theory. Just clear explanations, visual learning, and practical examples.
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About the author
TEJAS PATTHI is an author focused on making complex ideas easier to understand through clear explanations, practical examples, and visual learning. His work explores technology, artificial intelligence, personal development, and practical ideas that can help readers understand and apply new concepts in the real world.
In AI Agents From Zero, he presents agentic AI in a straightforward, visual format designed to help beginners, professionals, and developers understand how AI agents work and how they can be applied to practical problems.
