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Join this new short course on A2A: The Agent2Agent Protocol, built in partnership with Google Cloud and IBM Research, and taught by Holt Skinner, Ivan Nardini, and Sandi Besen.
Connecting agents built with different frameworks typically requires extensive custom integration. A2A provides an open protocol that standardizes how agents discover each other and communicate. Launched by Google Cloud in April 2025 and donated to the Linux Foundation, with IBM’s Agent Communication Protocol merging shortly after, A2A is emerging as the industry standard for agent collaboration.
In this course, you’ll build a healthcare multi-agent system with three specialized agents using different frameworks. You’ll wrap each agent in an A2A server, build A2A clients to communicate with them, and orchestrate them into sequential and hierarchical workflows. You’ll see how A2A complements MCP: while MCP connects agents to external data systems, A2A enables agents to collaborate with each other.