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Explore the A2A (Agent-to-Agent) protocol in this 30-minute conference talk that demonstrates how to build truly interoperable AI agents capable of discovering, communicating, and collaborating across different ecosystems. Learn why previous attempts to enable agent collaboration using repurposed protocols like MCP fell short, as MCP was designed for connecting language models to tools and data rather than facilitating agent-to-agent communication. Discover how Google and its partners addressed this critical gap by announcing the A2A protocol in April as an open standard specifically engineered for agent collaboration. Understand the core principles of A2A including open standards, secure communication, and capability discovery through Agent Cards, while seeing practical demonstrations of how agents negotiate tasks, exchange context and artifacts, and coordinate user experiences in multi-agent, multi-modal, and long-running scenarios. Examine how A2A complements existing protocols like MCP by enabling agents to orchestrate one another while maintaining internal MCP usage for tool and data access. Gain insights into the problems A2A solves, its position within the broader agent ecosystem, and its improvements over previous collaboration approaches, equipping you with the knowledge to design agents that can effectively contribute to the emerging Internet of Agents.
