Langchain4j

vector_database

langchain4j/langchain4j is an open source AI vector_database. 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. Built with Java, 11,565 GitHub stars.