Skip to main content

LangGraph Platform is now part of LangSmith. Check out the Changelog for more information.

Docs by LangChain home page

GitHub
Try LangSmith
Try LangSmith

Overview

LangChain v1.0

Release notes
Migration guide

Get started

Install
Quickstart
Philosophy

Core components

Agents
Models
Messages
Tools
Short-term memory
Streaming

Advanced usage

Middleware
Guardrails
Structured output
Runtime
Context engineering
Model Context Protocol (MCP)
Human-in-the-loop
Multi-agent
Retrieval
Long-term memory

Use in production

Studio
Test
Deploy
Agent Chat UI
Observability

404

Page not found

We couldn’t find the page you were looking for.

Embedding models Overview Build a RAG agent with LangChain