Agent Development Kit: Making it easy to build multi-agent applications

Google has introduced the Agent Development Kit (ADK), an open-source framework aimed at simplifying the development of intelligent, autonomous multi-agent systems, as announced at Google Cloud NEXT 2025. ADK empowers developers by providing a comprehensive suite of tools for building production-ready agentic applications with modular, scalable, and flexible designs that support diverse deployment environments. It features a rich model and tool ecosystem, enabling integration with various models and libraries, and supports natural, multimodal interactions through bidirectional streaming. ADK is structured to facilitate complex coordination and delegation among agents, making it suitable for creating collaborative multi-agent systems. Additionally, it offers an integrated developer experience, allowing for local development, testing, and debugging, with built-in evaluation tools to assess agent performance systematically. While optimized for Google Cloud and specifically designed to leverage the capabilities of Gemini models and Vertex AI, ADK provides extensive connectivity options across advanced AI models, scalable deployment environments, and existing APIs, making it a powerful tool within the Google Cloud ecosystem.

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