An open-source, code-first Java toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.
ADK for Java is a code-first Java toolkit for building, evaluating, and deploying AI agents, including systems made from multiple cooperating agents and tools. Java developers use it to define agent behavior and orchestration in code, from local development through cloud deployment. The catalogue provides skills and instructions for working with the toolkit.
Latest release v1.14.0 · 2 Nov 2026
3 files for Gemini CLI, Codex, OpenCode and Claude Code: adk-java GEMINI.md, adk-java AGENTS.md, adk-java CLAUDE.md — 1,297 tokens loaded in every session.
GEMINI.md A 1,249 tok AGENTS.md A 23 tok CLAUDE.md A 25 tok These files are google/adk-java's own configuration — they tell Gemini CLI, Codex, OpenCode and Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.