Embabel Agent

Spring AI Alibaba 是面向 Java 开发者的 Agentic AI 框架，基于 Spring 生态提供多智能体协作、工作流编排和 RAG 能力。

A JVM framework by JetBrains for building predictable, fault-tolerant, enterprise-ready AI agents across all platforms — from backend services to Android, iOS, and in-browser environments, with built-in MCP and multi-provider LLM support.

Google ADK Java 版是 Google 提供的 Java Agent 开发工具包，支持构建、评估和部署复杂的 AI Agent 系统，填补了 Java 生态的 Agent 框架空白。

Real-time transport layer for Java AI agents supporting WebSocket, SSE, gRPC, and WebTransport/HTTP3, with native MCP, A2A, and AG-UI protocol support for building event-driven AI agent communication architectures.