| name | langchain-docs |
| description | Local LangChain AI documentation reference. Use when asked about LangChain, LangGraph, agents, chains, prompts, memory, tools, retrieval, RAG, vector stores, document loaders, or building LLM applications. |
LangChain Documentation
LangChain is a framework for building LLM-powered applications. It provides components for chains, agents, RAG, memory, and tools. LangGraph extends this with stateful multi-agent orchestration.
Navigation Guide
LangChain: references/langchain/ - Core framework docs (51 files)
- Agents, chains, RAG, memory, tools, models, guardrails
- Key files:
overview.mdx, agents.mdx, knowledge-base.mdx
LangGraph: references/langgraph/ - Multi-agent orchestration (35 files)
- Graph API, memory, interrupts, durable execution
- Key files:
graph-api.mdx, memory.mdx, agentic-rag.mdx
Python SDK: references/python/ - Python API reference (1283 files)
- Complete API docs for langchain-core, langchain, langgraph
JavaScript SDK: references/javascript/ - JS/TS API reference (299 files)
- Complete API docs for @langchain/core, langchain, langgraph
Concepts: references/concepts/ - Foundational concepts (2 files)
Deep Agents: references/deepagents/ - Advanced agent patterns (10 files)
Key Entry Points
| Task | Start Here |
|---|
| Getting started | references/learn.mdx |
| LangChain overview | references/langchain/overview.mdx |
| Build an agent | references/langchain/agents.mdx |
| RAG implementation | references/langchain/knowledge-base.mdx |
| LangGraph intro | references/langgraph/graph-api.mdx |
| Memory & state | references/langgraph/memory.mdx |
| Python API | references/python/ |
| JavaScript API | references/javascript/ |
When to use
Use this skill when the user asks about:
- LangChain chains, agents, or components
- LangGraph multi-agent orchestration
- RAG (Retrieval Augmented Generation)
- Memory and conversation history
- Tools and tool calling
- Vector stores and embeddings
- Building LLM applications
How to find information
- First, read
references/STRUCTURE.md to see all 1688 documentation files organized by directory
- Use Navigation Guide to find the section
- Check Key Entry Points for common tasks
- For API details:
references/python/ or references/javascript/
STRUCTURE.md contains a complete file listing - always check it first when searching for specific topics.
