Google Agent Development Kit (ADK)

The Google Agent Development Kit (ADK) is an open-source, code-first Python framework for building, evaluating, and deploying sophisticated AI agents. It provides a flexible and modular approach to developing multi-agent systems, optimized for Gemini and the Google ecosystem but designed to be model-agnostic. Currently at version 1.28.1, ADK features a rich tool ecosystem, robust debugging capabilities, and support for orchestrating complex agent workflows. It maintains an active release cadence with frequent updates and new features.