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langgraph4j
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langgraph4j

🚀 LangGraph for Java. A library for develop AI Agentic Architectures in the Java ecosystem. Designed to work seamlessly with both Langchain4j and Spring AI.

by langgraph4j · GitHub
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agentsailangchain4jMITJava
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Build applications that use multiple AI agents to work together in Java, compatible with existing frameworks.

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2.0k1.8k
2026-07-202026-08-31
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📄 About

🚀 LangGraph for Java. A library for develop AI Agentic Architectures in the Java ecosystem. Designed to work seamlessly with both Langchain4j and Spring AI.

langgraph4j has 2k stars on GitHub. It has been forked 275 times. langgraph4j is written mainly in Java. It has been in active development since 2024. langgraph4j is available under the MIT license. Its main topics are agents, ai, langchain4j, langgraph.

Frequently asked questions

What is langgraph4j?

🚀 LangGraph for Java. A library for develop AI Agentic Architectures in the Java ecosystem. Designed to work seamlessly with both Langchain4j and Spring AI.

Is langgraph4j open source?

langgraph4j is an open-source project. It is released under the MIT license.

Is langgraph4j free?

Yes. langgraph4j is free and open source — you can use, modify and self-host it.

What license does langgraph4j use?

langgraph4j is available under the MIT license.

What language is langgraph4j written in?

langgraph4j is written mainly in Java.

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