The Missing Piece in AI Agent Ecosystems: An Agent Search Engine & Centralized Registry The A2A (Agent2Agent) protocol, introduced by Google Cloud, is a significant step forward. It standardizes how agents communicate, enabling them to securely exchange information and collaborate across different platforms. Currently, there's no universal, centralized registry or search engine for AI agents. While the A2A protocol supports decentralized discovery via Agent Cards and multiple registries, this fragmentation makes it hard for developers and agents to automatically find the right capabilities without manual configuration . Imagine building a movie suggestion agent that needs to query a movie data provider agent. If you don’t know where to find that agent, or if it’s listed in some obscure registry, your automation breaks down. This limits the power of AI agents to truly automate complex workflows.
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