
Strengths
- LangChain official authoritative document
- Contains numerous code examples and tutorials
- Covers all LangChain components
- Updated regularly to reflect the latest version
- Provides interactive notebook examples
Best for
- Learn how to use the LangChain framework
- Find API documentation for a specific component
- Understand how functions such as RAG and Agent are implemented
- Learn best practices from LangChain
- Troubleshooting issues in using LangChain
Document structure navigation
The LangChain documentation is rich in content, and you can quickly find the information you need by mastering the navigation method.
Get started quickly
Main parts of LangChain documentation: 1. Get Started - Installation and configuration - The first LangChain application 2. Tutorials - Build simple LLM applications - Build chatbots - Build RAG applications - Build Agent 3. How-to Guides - How specific tasks are accomplished - Solutions to common problems 4. Conceptual Guide - Core concepts of LangChain - Architectural design description 5. API Reference - Complete documentation of all classes and functions
LangChain is updated frequently. When encountering problems, please check whether the document version is consistent with the installed version.
Find documentation for a specific feature
Document locations for commonly used functions: Document Loaders: python.langchain.com/docs/integrations/document_loaders/ Vector Stores: python.langchain.com/docs/integrations/vectorstores/ LLM integration: python.langchain.com/docs/integrations/llms/ Tools: python.langchain.com/docs/integrations/tools/ Search tips: - Use Ctrl+K to search quickly - Search GitHub Issues for specific issues
If you can't find the answer in the documentation, LangChain's GitHub Issues and Discord communities can often solve the problem.