Google ADK

Comprehensive reference for Google's Agent Development Kit. Use this skill when:

• Creating or configuring any ADK agent (LlmAgent, SequentialAgent, LoopAgent, ParallelAgent, custom agents)
• Wiring tools to agents (function tools, built-in tools, MCP, OpenAPI, tool authentication)
• Managing sessions, state, and memory
• Building multi-agent systems or agent pipelines
• Integrating the Gemini Live API or building streaming agents
• Deploying agents to Cloud Run, GKE, or Vertex AI Agent Engine
• Evaluating agent behavior or writing agent tests
• Using the A2A (Agent-to-Agent) protocol for inter-agent communication
• Configuring callbacks, grounding, context caching, or observability

How to Use This Skill

1. Identify the task from the Quick Reference table below
2. Load the concept reference file (prose, architecture, API parameters)
3. If you need runnable code, also load the matching language sidecar: filename-python.md, filename-typescript.md, filename-go.md, or filename-java.md