langchain4j
模型生态LangChain4j 是一个面向 JVM 的开源 Java 库,用统一 API 屏蔽各家 LLM 与向量库差异,让开发者用熟悉的 Java 写 LLM 应用。最典型的场景是搭建 RAG:接入向量库检索知识,再交给模型生成回答。
查看 GitHub 原始描述(英文)
LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.
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