https://latent-site.pages.dev/tags/langchain/ Recent content in LangChain on Latent Hugo zh 2026 Latent Mon, 06 Jul 2026 00:00:00 +0000 https://latent-site.pages.dev/posts/2026/07/08-%E5%AE%9E%E6%88%98%E7%94%A8-langchain-%E6%9E%84%E5%BB%BA%E4%B8%80%E4%B8%AA-react-agent/ Mon, 06 Jul 2026 00:00:00 +0000 https://latent-site.pages.dev/posts/2026/07/08-%E5%AE%9E%E6%88%98%E7%94%A8-langchain-%E6%9E%84%E5%BB%BA%E4%B8%80%E4%B8%AA-react-agent/ 用 LangChain 从零构建一个带工具调用的 ReAct Agent。包括创建 Agent、添加工具、观察循环日志、把多个工具组合成 Skill。完整可运行代码，跟着做就能跑起来。