automation

adk-java: Build, test and launch AI agents fast

Use this Java SDK to design, evaluate, and deploy AI agents with full control—perfect for founders building AI‑driven products. 1.7k+ GitHub stars.

From the repo · “An open-source, code-first Java toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.”

1,754 stars+2★ this week439 forksJavaGuide quality 9/10 · reviewed Oct 12Updated 10/23/2026100% free · open source
What it does

The adk-java toolkit allows founders to build, evaluate, and deploy sophisticated AI agents with flexibility and control using Java.

When to use it
  • •You need to integrate AI decision-making into a custom Java application
  • •Your startup requires a high degree of control over AI agent behavior and training
  • •You're looking for an open-source Java library with a large community and 1.6k+ GitHub stars
Ready-to-paste prompt
java -cp ./adk-java/target/adk-java-1.0.0.jar com.google.adk.examples.MyAgent --eval my_eval_config.json
Heads up: Ensure you have Java 11 or later installed, as adk-java is not compatible with earlier versions of Java
Saves to your device
Use with Claude
New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

🛠️ Technical setup

Expect 20–40 minutes in a terminal — or let your AI agent drive it.

Try it instantly — no install
Claude Code
mkdir -p ~/.claude/skills/adk-java && curl -fsSL https://workflowstacks.com/api/skills/adk-java/claude-skill -o ~/.claude/skills/adk-java/SKILL.md
Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)
claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

How adk-java: Build, test and launch AI agents fast works
Codeflow
Free to inspect

Adk-java: Build, test and launch AI agents fast is a very large Java project (~80k lines across 439 code files, plus 256 test files). It is a full software project: use it through its install path rather than reading it end to end. Last commit this month, Apache-2.0 license, has a test suite.

Size
Very large codebase
~80k lines · 439 code files · days to read — use, don't read
Setup
Developer setup
A real software project. Use it via its install path; don't expect to read it all.
Runs on
Java/JVM
No API keys detected
Java 94%Kotlin 6%HTML 1%
Where to start reading
  1. 1
    README.md
    Start here — what it does and how to install it
  2. 2
    AGENTS.md
    The instructions the AI actually follows
  3. 3
    core/README.md
    Inside core/ — the main logic begins here
  4. 4
    examples/README.md
    A worked example — copy this to get going
What's in each folder
core/Core code — the actual logic449 files
examples/Examples you can copy46 files
tutorials/Examples you can copy8 files
contrib/Community contributions98 files
dev/Folder93 files
tokt/Folder48 files
a2a/Folder20 files
maven_plugin/Folder17 files
READMEHas testsDocumentedCI checksExamples includedApache-2.0 licenseUpdated this month
Quick Actions
Details
Creator
google
Language
Java
Category
automation
Published
5/5/2025

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Featured on WorkflowStacks
[![Featured on WorkflowStacks](https://workflowstacks.com/api/badge/adk-java.svg)](https://workflowstacks.com/skills/adk-java?utm_source=github&utm_medium=badge)
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