langchain4j

langchain4j

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 Jav

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12,995
Forks
2,519
Language
Java
Licence
Apache-2.0
Created 20 Jun 2023Last push 1 Sept 2026
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