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Langchain4j

Data

LangChain4j is an open-source Java library that simplifies the integration of LLMs into Java applications through a unified API, providing access to popular LLMs and vector databases. It makes implementing RAG, tool calling (including support for MCP), and agents easy. LangChain4j integrates seamlessly with various enterprise Java frameworks.

★ N/A0 reviews📥 28,504v1.0.0Updated Mar 31, 2026
FREE

About

LangChain4j is an open-source Java library that simplifies the integration of LLMs into Java applications through a unified API, providing access to popular LLMs and vector databases. It makes implementing RAG, tool calling (including support for MCP), and agents easy. LangChain4j integrates seamlessly with various enterprise Java frameworks. GitHub: https://github.com/langchain4j/langchain4j Stars: 11400 | Language: Java | License: Apache-2.0

Installation

🔗 Copy Link

https://mcplug.store/skills/langchain4j

💻 CLI

mcplug install langchain4j

🤖 MCP Config JSON

{
  "mcpServers": {
    "langchain4j": {
      "url": "https://mcplug.store/api/v1/mcp/langchain4j",
      "transport": "sse"
    }
  }
}

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