Function Call

Java AI application development framework (supports LLM-tool,skill; RAG; MCP; Agent-ReAct,Team-Agent). Compatible with java8 ~ java26. It can also be embedded in SpringBoot, jFinal, Vert.x, Quarkus, and other frameworks.

Higher performance OpenAI LLM service than vLLM serve: A pure C++ high-performance OpenAI LLM service implemented with GPRS+TensorRT-LLM+Tokenizers.cpp, supporting chat and function call, AI agents, distributed multi-GPU inference, multimodal capabilities, and a Gradio chat interface.

Collection of production-ready Gemini function calling schemas, audio/video analysis skills, and structured JSON generation templates.

AgentChat 是一个基于 LLM 的智能体交流平台，内置默认 Agent 并支持用户自定义 Agent。通过多轮对话和任务协作，Agent 可以理解并协助完成复杂任务。项目集成 LangChain、Function Call、MCP 协议、RAG、Memory、HITL、Skill、Milvus 和 ElasticSearch 等技术，实现高效的知识检索与工具调用，使用 FastAPI 构建高性能后端服务。

Dive is an open-source MCP Host Desktop Application that seamlessly integrates with any LLMs supporting function calling capabilities. ✨

Protocol-agnostic CesiumJS AI control runtime for MCP, WebMCP, function calling, and browser agents.

Learn AI Agents step by step, from scratch - from function calling to agent loops to multi-agent systems, orchestration, and evaluation.

Alice is a voice-first desktop AI assistant application built with Vue.js, Vite, and Electron. Advanced memory system, function calling, MCP support, optional fully local use, and more.

100+ AI Agents, Agent Skills and RAG Apps - Free and Open Source.

Learn AI Engineering! Learn it. Build it. Ship it for others.

The open source autonomous coding agent built for full codebase refactoring, multi-file editing, test generation, and automated terminal execution.

Hugging Face's lightweight Python library for autonomous CodeAgents that write and execute actions in plain Python syntax instead of cumbersome JSON.

Standardized tool use definitions and execution harnesses for Claude models, including Computer Use, Bash execution, and text editing skills.

Source-available agent platform for Global × China enterprises — wire every system through one agent core. Self-hosted, any LLM.

An Autonomous AI Software Engineer

Lightweight UE5 plugin that exposes Unreal Engine's reflection system over TCP+JSON — let AI agents call UFunctions, read/write UProperties, and inspect any UObject in a running editor, zero engine modification required.

一款开源、基于昔涟开发的桌面 AI 智能体/An open-source desktop AI agent based on Cyrene.

Versatile Almost Local, Eventually Reasonable Assistant 🔫

What The Function: your AI agent decompiles games you own into C that compiles to the exact same bytes. Runs locally.

Official DIDA Hotel Booking MCP Server. 14-year travel tech data stack, 2M+ hotels at wholesale rates, 40+ LLM compatible. Free unlimited calls for businesses & individual devs. Filter by location, date, star grade, guests & tags; pull real-time room types, pricing & cancellation rules.

Introducing the Assistant Swarm. An extension to the OpenAI Node SDK to automatically delegate work to any assistant you create in OpenAi through one united interface and manager. Now you can delegate work to a swarm of assistant all specialized with specific tasks you define.

Python CLI + UE plugin that lets Claude Code (AI coding agent) control Unreal Engine in real time. Spawn actors, edit blueprints, call functions, capture screenshots, manage PIE sessions, and more -- all from the terminal. Works with UE5 editor and packaged builds via an in-process HTTP bridge.

CoexistAI is a modular, developer-friendly research assistant framework . It enables you to build, search, summarize, and automate research workflows using LLMs, web search, Reddit, YouTube, and mapping tools—all with simple MCP tool calls or API calls or Python functions.

🤖 Desktop AI Assistant with Local Model Support - OpenAI SDK compatible agent with memory system, file operations, web search, and modern UI. Supports vLLM, Ollama, Qwen, Llama, and more.