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Mastering LangChain and LangGraph

Build RAG and Agentic AI Applications with LLMs, MCP, and LangChain Agents

Author Ankur Kulshreshtha
Publisher Springer Apress
ISBN 9798868829451
Framework Version LangChain/Graph v1.0
Format Print & eBook
All book code examples are fully tested against langchain==1.3.10 and langgraph==1.2.6
Mastering LangChain and LangGraph - Definitive LangChain Book Cover by Ankur Kulshreshtha
Mastering LangChain and LangGraph Book Spine - Springer Apress
Mastering LangChain and LangGraph - LangGraph Book Back Cover detailing course modules
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18
In-depth Chapters
6
Core Parts
v1.0
Production Ready
100%
Code-First Examples

What You'll Learn

Equip yourself with the skills to design, deploy, and scale robust agentic systems. This definitive LangChain and LangGraph book provides production-ready strategies for advanced AI orchestration.

AI & LLM Landscapes

Explore the core fundamentals of Large Language Models (LLMs), Retrieval Augmented Generation (RAG), and AI Agents. Discover how their limitations and challenges can be overcome with framework integrations.

LangChain Ecosystem

Gain absolute mastery over LangChain v1.0 concepts including Chat Models, Prompt Templates, Custom Output Parsers, Document Loaders, Text Splitters, Embeddings, Vector Stores, and Retrievers.

LangGraph Ecosystem

Dive deep into LangGraph v1.0. Build complex, cyclic, multi-agent pipelines leveraging checkpointers, state persistence, persistent human-in-the-loop controls, time-travel, and real-time streaming.

Enterprise Level Agentic Systems

Learn how to connect custom tools and APIs using the Model Context Protocol (MCP). Design and architect production-grade Agentic systems and stateful multi-agent workflows optimized for real-world enterprise constraints.

Open Source Companion Code

Official GitHub Repository

Explore, run, and experiment with the companion code repository for all 18 chapters. Fully tested with LangChain v1.3 and LangGraph v1.2.

bash — clone companion repository
$ git clone https://github.com/ankurkul86/mastering-langchain-langgraph-book.git

18 Chapter Modules

Organized directories containing modular Python scripts and Jupyter Notebooks matching every book chapter.

LangChain & Graph v1.0

Verified against langchain==1.3.10 and langgraph==1.2.6 with modern syntax and zero deprecation warnings.

Model Context Protocol

Complete working implementations for custom MCP tool servers, client integrations, and agentic toolsets.

Plug & Play Setup

Includes pre-configured requirements.txt, environment template (.env.example), and step-by-step setup instructions.

Table of Contents

A comprehensive chapter-by-chapter outline of this LangGraph and LangChain book. Explore how the material is structured from fundamentals to production-ready enterprise systems.

Part 1

Introduction

Chapter 01 Overview Of LLMs, RAG, & Agents
Chapter 02 Introduction To LangChain
Part 2

Integrations & Utilities For LLM In LangChain

Chapter 03 Chat Models
Chapter 04 Generating Structured Outputs
Chapter 05 Prompt Templates
Part 3

Integrations & Utilities For RAG In LangChain

Chapter 06 Document Loaders
Chapter 07 Text Splitters
Chapter 08 Embeddings & Vector Stores
Chapter 09 Retrievers
Part 4

Build Agents With LangGraph

Chapter 10 Fundamentals Of LangGraph
Chapter 11 Tools & Model Context Protocol (MCP)
Chapter 12 Checkpointers
Chapter 13 Implementing Memory
Chapter 14 Human-In-The-Loop, Time Travel & Streaming
Part 5

LangChain Agent

Chapter 15 Fundamentals Of LangChain Agents
Chapter 16 Middlewares
Part 6

Appendix

Chapter 17 Runnables & LCEL
Chapter 18 Python Typing & Pydantic

Who This Book Is For

Designed to level up engineers ready to build state-of-the-art AI orchestration pipelines.

AI Developers

Engineers ready to implement custom chatbots, data extraction tools, and interactive agents with sophisticated system-level frameworks.

System Architects

Architects looking to build reliable, stateful systems with advanced memory management, human verification steps, and multiple model integrations.

AI Enthusiasts

Tech leaders and builders looking to stay at the absolute forefront of developments, transitioning from basic prompt templates to automated agents.

Available Globally

Order Your Copy Today

Get the definitive guide to production-ready Agentic AI and RAG. Available in paperback and eBook through leading global publishers and retailers.

Global Delivery

Amazon

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Order seamlessly in your local currency with fast regional shipping, Prime delivery, or instant Kindle access.

  • Paperback (741 Pages) & Kindle Edition
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Official Publisher

Springer Nature / Apress

Official Academic & Professional Publisher

Purchase direct from the publisher. Includes DRM-free electronic formats and international softcover delivery.

  • DRM-Free PDF & EPUB downloads
  • High-quality softcover print edition
  • Institutional access via SpringerLink
Ankur Kulshreshtha
About the Author

Ankur Kulshreshtha

Ankur Kulshreshtha is an Architect at Infosys with 16 years of experience across Data Engineering, Machine Learning, and Generative AI. He is an expert in designing enterprise solutions for AI and data-driven projects and has worked with leading Telecom and Media clients from Europe, USA, Saudi Arabia, and Asia Pacific. Ankur is an AI Evangelist who creates awareness and consults with various project teams and clients on AI adoption. Ankur holds an M.Tech in Software Systems with a specialisation in Data from BITS Pilani. He also likes writing blogs and spreading knowledge on AI/ML through his blog website machinelearningknowledge.com, which receives thousands of views each month. Explore his portfolio at ankurkulshreshtha.com.