Google Releases Python Agent Development Kit 2.0 with Major Architecture Upgrades

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Google has launched Python ADK 2.0 (google-adk>=2.0.0), a significant update to its Agent Development Kit for building AI agents, officially available at adk.dev/2.0/. The new version introduces a unified google.adk namespace, replacing legacy module imports, and adds a standardized tool_context parameter for consistent session state and user identity management across tools. ADK 2.0 supports both Python code-defined agents and declarative YAML-configured agents, while also introducing native directed acyclic graph (DAG) workflows for multi-step agent pipelines. A unified CLI consolidates commands for running, testing, and deploying agents, including streamlined serverless deployment to Google Cloud Run. The release also brings auto-detected Vertex AI authentication, async session persistence, and framework-managed retry and human-in-the-loop capabilities that previously required manual implementation.

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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