Skip to main content

We've raised a $125M Series B to build the platform for agent engineering. Read more.

Docs by LangChain home page

GitHub
Try LangSmith
Try LangSmith

概述

LangChain v1.0

Release notes
迁移指南

开始

安装
快速开始
设计理念

Core components

Agents 智能体
Models 模型
Messages 消息
Tools 工具
短期记忆
Streaming 流式传输
Middleware 中间件
Structured output 结构化输出

高级用法

Guardrails
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.

Trace with LangChain (Python and JS/TS)Use the graph API Implement a LangChain integration

⌘I