# Awesome A2A Directory **Published by:** [czmilo](https://paragraph.com/@zhangcheng/) **Published on:** 2025-04-19 **URL:** https://paragraph.com/@zhangcheng/awesome-a2a-directory ## Content https://github.com/sing1ee/a2a-directory.git A2A (Agent2Agent) is an open protocol from Google enabling AI agents to communicate securely and collaborate. It breaks down silos between isolated agent systems, allowing for complex cross-application automation. https://a2aprotocol.ai/ Check a2aprotocol to dive into the protocol. ## Publication Information - [czmilo](https://paragraph.com/@zhangcheng/): Publication homepage - [All Posts](https://paragraph.com/@zhangcheng/): More posts from this publication - [RSS Feed](https://api.paragraph.com/blogs/rss/@zhangcheng): Subscribe to updates