LibreAI / AI Agents / adk-java
// agents Β· google/adk-java

adk-java

A code-first Java toolkit for building AI agents.

πŸ’Ž Hidden gemβ˜… 1.7k starsβ‘‚ 431 forksApache-2.0updated 2026-10
β–¦ visual β€” this project's README ships no embeddable screenshot,
so here's a placeholder. The guide below is complete regardless.
// project facts

Project facts

adk-java is an open-source ai agents project by google (google/adk-java on GitHub). It has 1,744 GitHub stars and 431 forks, is released under the Apache-2.0 license, and was last updated on GitHub on 4 October 2026.

Repository
google/adk-java
GitHub stars
1,744
Forks
431
License
Apache-2.0
Last updated on GitHub
4 October 2026
Category
AI Agents
Listing
Hidden gem β€” a shorter page for a lesser-known project
Official site
Official docs
// how it works

How it works

  1. Clarify your goal

    Decide what you want the project to do before installing anything.

  2. Clone the repo

    Grab the source and skim the README for setup requirements.

  3. Install and configure

    Install dependencies and add any API keys or settings it needs.

  4. Run your first task

    Launch it and follow the example workflow from the docs.

// features

Why people love it

Multi-agent support

Coordinates several AI agents at once.

Open source

Audit the code and adapt it to your workflow.

Cross-platform

Runs on macOS and Linux out of the box.

Parallel agent sessions

Run several coding agents side by side, not one at a time.

Session management

Pause, resume, and inspect agent sessions on demand.

Works with your tools

Plays nicely with Claude Code, Codex, Cursor, and more.

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// run it

Run it yourself

  1. Step 1 β€” Clone the repo

    Download the source and move into the project folder.

    git clone https://github.com/google/adk-java.git
    cd adk-java
  2. Step 2 β€” Build the project

    Compile and package with Maven.

    mvn -q package -DskipTests
  3. Step 3 β€” Run it

    Launch the packaged jar.

    java -jar target/app.jar
// use cases

What you can build

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// faq

Questions, answered

Who maintains adk-java?

It is an open-source project at google/adk-java with 431 forks. Check the repo’s contributors and recent commits to judge how active maintenance is.

Is adk-java free to use?

Yes. It is Apache-2.0 licensed, so commercial use is allowed with attribution and license notices.

Do I need a paid API to use it?

Most of these tools work with local models or your own keys; check the README for the default provider.

Can it run multiple agents at once?

Yes β€” parallel sessions are the whole point, each isolated in its own workspace.

Is my code sent to the cloud?

Only if you configure a cloud model; local-first setups keep everything on your machine.

// keep exploring

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// alternatives

Alternatives in AI Agents

The most-starred other AI Agents projects in the LibreAI catalogue β€” the realistic shortlist if adk-java is not the right fit.

Get adk-java

Free and open β€” grab the source, star the repo, and start creating.