<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>LangChain on YennJ12 Engineering Blog</title><link>https://yennj12.js.org/yennj12_blog_V4/categories/langchain/</link><description>Recent content in LangChain on YennJ12 Engineering Blog</description><generator>Hugo -- gohugo.io</generator><language>en-us</language><lastBuildDate>Sat, 11 Apr 2026 10:00:00 +0800</lastBuildDate><atom:link href="https://yennj12.js.org/yennj12_blog_V4/categories/langchain/feed.xml" rel="self" type="application/rss+xml"/><item><title>LangGraph + LangChain 完全入門指南：從基礎到生產</title><link>https://yennj12.js.org/yennj12_blog_V4/posts/langgraph-langchain-intro-zh/</link><pubDate>Sat, 11 Apr 2026 10:00:00 +0800</pubDate><guid>https://yennj12.js.org/yennj12_blog_V4/posts/langgraph-langchain-intro-zh/</guid><description>全面介紹 LangChain 和 LangGraph 的核心概念、架構和實戰應用，涵蓋從簡單的 Chain 到複雜的多 Agent 工作流，幫助開發者快速掌握現代 AI 應用開發框架。</description></item></channel></rss>