QwenLM/Qwen-Agent

Agent framework and applications built upon Qwen>=3.0, featuring Function Calling, MCP, Code Interpreter, RAG, Chrome extension, etc.

⭐ 13407 | 🍴 1264

langchain4j/langchain4j

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.

⭐ 10842 | 🍴 1979

katanaml/sparrow

Structured data extraction and instruction calling with ML, LLM and Vision LLM

⭐ 5125 | 🍴 510

aipotheosis-labs/aci

ACI.dev is the open source tool-calling platform that hooks up 600+ tools into any agentic IDE or custom AI agent through direct function calling or a unified MCP server. The birthplace of VibeOps.

⭐ 4723 | 🍴 458