Vibe Check: Planning a Sailing Trip with AI Agents | ADK Go in Action

Terry Ryan from Google walks us through Naval Plan, a real app he built (and actually uses) to plan sailing trips using ADK Go. The app combines agentic research, pulling from old sailing forums and local knowledge, with deterministic API calls for tides, weather, and sunrise/sunset data. We dig into how the agents are architected, the quirks of working with Google Search as a tool in ADK, and Terry's dev workflow using Gemini CLI.

Topics covered:
- Building Naval Plan: an agentic sailing trip planner with ADK Go
- Mixing agentic research with deterministic API tools (tides, weather, sunrise/sunset)
- ADK agent architecture: subagents, tool composition, and the Google Search tool workaround
- Structured JSON output from agents and how to make it reliable
- Dev workflow: Gemini CLI in YOLO mode, git-based rollback, and prompt management
- Using LiteLLM for multi-model support in ADK
- Tool count limits and context window considerations
- Upcoming Temporal + ADK integration

Links mentioned:
- ADK: https://adk.dev
- Naval Plan walkthrough video: https://www.youtube.com/watch?v=kwSVtQ7dziU
- Charm (Go terminal UI libraries): https://charm.sh
- Google Cloud Next (Las Vegas): https://www.googlecloudevents.com/next-vegas

Drop your questions below and let us know how you are building with AI.

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