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Coding Agents
Tier 4
Google ADK (Python)
Summary
Google's Agent Development Kit: a code-first Python toolkit for building, evaluating, and deploying agents with hierarchical multi-agent composition, tool ecosystems, and built-in evaluation.
Key Takeaways
- Code-first agent definition with built-in eval hooks
- Hierarchical composition: agents as tools of other agents
Reliability Note
Official Google repository.
Flows informed by this source
1Harness Engineering
Evals for Your Harness
Build the eval suite that tells you whether harness changes help: task sets, graded rubrics, and regression discipline.
01Design the task set
02Implement graders
03Run honestly: variance and the results store
+1 more steps to Done
Best forproduction-grade builds with strict verification
4 steps90-150 minutesAdvanced