Google Agent Development Kit
Google's open-source agent framework with multi-agent, A2A protocol, and production deployment.
Open source
Best for teams in the Google Cloud ecosystem that want a native agent framework with multi-agent orchestration, evaluation, and deployment tooling.
Selection advice
Choose Google ADK when your stack is Google Cloud and you need multi-agent orchestration with production deployment paths. The A2A protocol is the interoperability story.
Best for
- Google Cloud teams
- multi-agent systems
- A2A protocol
- production deployment
Not ideal for
- multi-cloud teams avoiding Google lock-in
- simple single-agent use cases
Core concepts
agentstoolsmulti-agentA2A protocoldeployment
Minimal implementation shape
Define an agent with Gemini, add tools, orchestrate multi-agent flows with A2A protocol, then deploy via Google Cloud.