langchain-ai/langchain
The agent engineering platform.
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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Agent instructions and tool configuration found in this repository.
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The agent engineering platform.
The agent engineering platform
Overview and tutorial of the LangChain Library
🧬 The open source chat-ai toolkit
Build resilient agents.
🚀 LangChain for Swift. Optimized for iOS, macOS, watchOS (part) and visionOS.(beta)