📖 项目简介
LangChain 是当前最流行的 LLM 应用开发框架，支持 Python 和 JavaScript。它提供了链式调用、智能代理、记忆管理、向量检索等核心模块，让开发者可以快速构建基于 GPT、Claude、Llama 等大模型的应用。
🔗 GitHub 项目地址
https://github.com/langchain-ai/langchain
🔄 可替代的商用软件
商业 AI 开发平台
📝 项目原文介绍（英文）
The agent engineering platform. LangChain is a framework for building agents and LLM-powered applications. It helps you chain together interoperable components and third-party integrations to simplify AI application development — all while future-proofing decisions as the underlying technology evolves. [!TIP] Just getting started? Check out Deep Agents — a higher-level package built on LangChain for agents that have built-in capabilites for common usage patterns such as planning, subagents, file
💬 社区讨论
📌 Making it easier to contribute to LangChain — 由 mdrxy 发布于 2026-03-09
📌 New first-party packages: `langchain-openrouter` and `langchain-litellm` — 由 mdrxy 发布于 2026-03-08
📌 Deprecation Notice: LangSmith Tracing Changes — 由 mdrxy 发布于 2026-01-09
📌 Discussions have moved to the LangChain Forum! — 由 eyurtsev 发布于 2025-07-11