Google Ships ADK for Java 1.0.0: Agent Development Kit Expands to Java with A2A Native Support and ComputerUseTool

Google Developers Blog·medium signal

Google released Agent Development Kit for Java 1.0.0 on March 30, bringing the Gemini agent framework to the Java ecosystem with native Agent-to-Agent (A2A) protocol support via the official A2A Java SDK Client. Key capabilities include ComputerUseTool for browser/computer control abstraction, ContainerCodeExecutor and VertexAiCodeExecutor for sandboxed code execution, GoogleMapsTool and UrlContextTool, human-in-the-loop ToolConfirmation workflows, and plugin architecture with LoggingPlugin, ContextFilterPlugin, and GlobalInstructionPlugin. Event compaction enables context window management through summarization, and state persistence supports InMemory, VertexAi, and Firestore backends.