Build An AI Agent From Scratch MEAP V3 (Jungjun Hur and Younghee Song)

English | 2026 | ISBN: 9781633434615 | 266 Pages | PDF, EPUB + Source | 18.2 MB

Build a working AI agent that can reason, plan, and execute multi-step tasks!

LLM-powered AI agents are the next leap in applied AI, capable of reasoning and collaboration to achieve even complex, multi-step goals. Using new protocols like MCP and A2A, agents can use software tools, retrieve relevant knowledge, and adapt to feedback. This book guides you step by step in creating an AI agent from the ground up, with clear, detailed explanations you can follow to build your own custom assistants!

In Build an AI Agent (From Scratch) you will learn how to
Implement a ReAct (Thought → Action → Observation) loop
Use MCP to integrate tools calls into your agent’s workflow
Agentic RAG for relevant responses
Create memory modules that store facts, context, and evolving goals
Enable agents to plan, reflect, and self-correct
Build specialized agents, including a code execution agent
Design multi-agent systems

In Build an AI Agent (From Scratch), bestselling author Jungjun Hur and AI expert Younghee Song guide you through creating a complete research assistant agent framework. You’ll learn how agents function under the hood-all without hidden abstractions, black boxes, or framework lock-in. You will implement each piece as you develop a mental model of how agents really work.

about the book
Build an AI Agent (From Scratch) is a step-by-step guide to creating a working AI agent, starting with the bare essentials and growing your AI into a full-featured, real-world system. You will connect your agent to powerful software tools, implement a reasoning loop, and then extend your agent with retrieval, memory, planning, reflection, and even multi-agent coordination. Along the way, you will work through production-grade code snippets, full prompts and configs, and “make it better” exercises that encourage you to extend and improve your system. By the final chapter, you will have built an end-to-end AI agent that you can use as a foundation for your own projects.

about the reader
For Python developers and AI practitioners. All examples run on a standard laptop.

about the authors
Jungjun Hur is an AI and data engineer with experience in e-commerce and AI industries, where he has built production-ready AI applications and LLM-powered features. He is the author of the bestselling book Practical AI Application Development Using LLMs.

Younghee Song is an AI consultant at PwC. She graduated from Hanyang University with a degree in Economics and Finance and holds a Master’s in Human Factors Engineering from Seoul National University.

Contents of Download:

📌 Build An AI Agent From Scratch V3 MEAP.epub (Jungjun Hur and Younghee Song) (2026) (7.23 MB)
📌 Build An AI Agent From Scratch V3 MEAP.pdf (Jungjun Hur and Younghee Song) (10.8 MB)

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⭐️ Build An AI Agent From Scratch MEAP V3 ✅ (19.22 MB)
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