近日， Mastra AI 创始人 Sam Bhagwat 在 X 上发布了一条推文，称其中提到大约 60~70% 的 YC X25 Agent 公司正在使用 TypeScript 构建他们的 AI Agent。 这个数据让人很惊讶，因为像 LangChain 这样的早期框架最初都是 Python 优先的。那么，为什么现在要转向 TypeScript 来构建 AI Agent？

本文详述了如何通过检索增强生成(RAG)技术构建一个能够利用特定文档集合回答问题的AI系统。通过LangChain框架，可以实现超越预训练模型知识范围的定制化问答能力，适用于专业领域的精准信息检索与生成。 RAG技术概述及其重要性 在深入技术实现前，需要理解 ...

LangChain is a modular framework for Python and JavaScript that simplifies the development of applications that are powered by generative AI language models. Using large language models (LLMs) is ...

The team behind the LangChain framework has developed a lightweight wrapper for MCP that integrates the protocol into LangChain and LangGraph applications. LangChain is a framework for orchestrating ...

The emerging field of AI orchestration just got an additional boost of confidence with the alpha release of LangChain’s two flagship platforms, LangGraph and LangChain version 1.0. Graduating to a 1.0 ...

LangChain raised $125 million at a $1.25 billion valuation, the company announced on Monday. TechCrunch reported in July that the provider of a popular open source framework for building AI agents was ...