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automation

adk-java: Build AI Agents

Get a Java toolkit for building sophisticated AI agents. For founders needing flexibility and control, with 1.6k+ GitHub stars.
1,638 stars375 forksJavaQuality 9/10Updated 7/13/2026100% 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.

Install / run
git clone https://github.com/google/adk-java.git
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
Quick start
  1. 1Import the adk-java library into your Java project using the cloned repository
  2. 2Create a new Java class that extends the Agent class from the adk-java library
  3. 3Override the act() method to define your agent's behavior, using methods like perceive() and efect%
  4. 4Use the adk-java Evaluation API to assess your agent's performance and make data-driven decisions
  5. 5Deploy your trained agent to a production environment using the adk-java Deployment API
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

Topics

agent
agentic
agentic-ai
agentic-workflow
agents
agents-sdk
ai
ai-agents
aiagentframework
genai
genai-chatbot
llm
llms
multi-agent
multi-agent-system
multi-agent-systems
multi-agents
multi-agents-collaboration
What's inside — free to inspect
No purchase needed

Read the entire source before you build — unlike paid marketplaces that hide it behind a buy button.

15
top-level files
10
folders
16.0M
repo size
Apache-2.0
license
Key files
AGENTS.md
README.md
release-please-config.json
File tree
.devcontainer/
.github/
.mvn/
.vscode/
a2a/
contrib/
core/
dev/
maven_plugin/
tutorials/
.gitattributes
.gitignore
.release-please-manifest.json
AGENTS.md
CHANGELOG.md
CONTRIBUTING.md
GEMINI.md
java.header
LICENSE
license-checks.xml
mvnw
mvnw.cmd
pom.xml
README.md
Quick Actions
Details
Creator
google
Language
Java
Category
automation
Published
5/5/2025

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