{"repo":"a2ap/a2a4j","free":true,"listed":false,"github":"https://github.com/a2ap/a2a4j","clone":"git clone https://github.com/a2ap/a2a4j.git","description":"A2A4J is a comprehensive Java implementation of the Agent2Agent Protocol, including server, client, examples, and starters.","language":"Java","stars":59,"topics":["a2a","a2a-protocol","ai","llm","mcp","a2a-client","a2a-server","java","spring","springboot"],"license":"Apache-2.0","category":"ai-agents","readme_excerpt":"A2A4J - Agent2Agent Protocol for Java 📖 中文文档 Agent2Agent (A2A) providing an open standard for communication and interoperability between independent AI agent systems. A2A4J A2A4J is a comprehensive Java implementation of the Agent2Agent (A2A) Protocol, including server, client, examples, and starters. Built on Reactor for reactive programming support, A2A4J enables agents to discover each other's capabilities, collaborate on tasks, and securely exchange information without needing access to each other's internal state. 🚀 Features - ✅ Complete A2A Protocol Support - Full implementation of the Agent2Agent specification - ✅ JSON-RPC 2.0 Communication - Standards-based request/response messaging - ✅ Server-Sent Events Streaming - Real-time task updates and streaming responses - ✅ Task Lifecycle Management - Comprehensive task state management and monitoring - ✅ Spring Boot Integration - Easy integration with Spring Boot applications - ✅ Reactive Programming Support - Built on Reactor for scalable, non-blocking operations - ✅ Multiple Content Types - Support for text, files, and structured data exchange - ⚪️ Agent Card Discovery - Dynamic capability discovery mechanism - ⚪️ Push Notification Configuration - Asynchronous task updates via webhooks - ⚪️ Enterprise Security - Authentication and authorization support 📋 Prerequisites - Java 17+ - Required for running the application - Maven 3.6+ - Build tool 🏗️ Project Structure 🚀 Quick Start 1. Use A2Aj Build Agent Integrate A2A4j","default_branch":null,"files":null,"tree":[],"storefront":"/r/a2ap","claimed":false,"request_supported":{"post":"https://gitbuyer.com/r/a2ap/a2a4j/request-supported","requests":0},"note":"indexed from public GitHub; nothing is for sale on this page. Clone it from GitHub. Paid listings live at /search."}