LangChain AI Handbook

James Briggs
Francisco Ingham
James Briggs, Francisco Ingham

The LangChain library empowers developers to create intelligent applications using large language models. It’s revolutionizing industries and technology, transforming our every interaction with technology.

Chapter 01

An Introduction to LangChain

An overview of the core components of LangChain.

Chapter 02

Prompt Templates and the Art of Prompts

The art and science behind designing better prompts.

Chapter 03

Building Composable Pipelines with Chains

Exploring how LangChain supports modularity and composability with chains.

Chapter 04

Conversational Memory

Enabling the next wave of intelligent chatbots using conversational memory.

Chapter 05

Retrieval Augmentation

Fighting hallucinations and keeping LLMs up-to-date with external knowledge bases.

Chapter 06

AI Agents

How ReAct and conversational agents can be used to supercharge LLMs with tools.

Chapter 07

Custom Tools

How we build custom tools for use with agents.

Chapter 08

Agents With Long-Term Memory

Exploring how we can build retrieval-augmented conversational agents.

Chapter 09

Streaming in LangChain

A guide covering simple streaming through to complex streaming of agents and tool.

Chapter 10

RAG Multi-Query

How to use multi-query in RAG pipelines.

Chapter 11

LangChain Expression Language

Understand what LCEL is and how it works.

Chapter 12

And more...

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