Evaluating AI Agents with Google ADK
2h 17mIntermediate2026-06-30
Authors

Jigyasa Grover
Course details
AI agents are transforming how organizations automate complex workflows, but deploying them reliably requires rigorous evaluation methods that go beyond traditional testing. In this course, instructor Jigyasa Grover teaches you how to build production-grade AI agents using the Google Agent Development Kit (ADK) with a focus on deterministic evaluation, trace analysis, and safety guardrails. Learn how to design eval-ready architectures using structured tool interfaces and Pydantic schemas, then audit agent reasoning through trajectory matching and Golden Trace baselines. Jigyasa shows you how to implement scalable benchmarking with headless batch evaluations, Pass@k reliability tests, and LLM-as-a-Judge scoring systems. Explore production safety patterns, including groundedness checks, negative logic guardrails, and CI/CD regression gates that ensure your agents behave reliably at scale. By the end of this course, you'll be equipped with hands-on experience architecting, debugging, and evaluating AI agents ready for real-world deployment.
Learning objectives
Architect eval‑ready AI agents using structured tool interfaces, Pydantic schemas, and reproducible ADK project templates through hands‑on GitHub Codespaces labs.
Audit and debug agent reasoning using ADK trace viewers, trajectory matching, and reusable Golden Traces through interactive code walkthroughs and failure‑mode demos.
Evaluate agents at scale by running headless batch evaluations, Pass@k reliability tests, and statistical performance metrics through live CLI demonstrations.
Implement production safety patterns—LLM‑as‑a‑judge rubrics, groundedness checks, negative logic guardrails, and CI/CD regression gates—using realistic challenge scenarios and rubric‑coding exercises.
Learning objectives
Architect eval‑ready AI agents using structured tool interfaces, Pydantic schemas, and reproducible ADK project templates through hands‑on GitHub Codespaces labs.
Audit and debug agent reasoning using ADK trace viewers, trajectory matching, and reusable Golden Traces through interactive code walkthroughs and failure‑mode demos.
Evaluate agents at scale by running headless batch evaluations, Pass@k reliability tests, and statistical performance metrics through live CLI demonstrations.
Implement production safety patterns—LLM‑as‑a‑judge rubrics, groundedness checks, negative logic guardrails, and CI/CD regression gates—using realistic challenge scenarios and rubric‑coding exercises.
Concepts
Introduction
- Kickstart evaluation of AI agents with Google ADK
Evaluate a Working AI Agent
- Project kickoff - Running a procurement agent
- When correct is dangerous - A policy violation demo
- Why final answers lie for agents
- Paths, not strings - Execution trajectories
Make the Agent Eval Ready
- ADK project structure and agent.yaml
- Binding tools to the agent
- Schema as a contract - Pydantic enforcement
- First eval - Did the agent call the right tool
Expose Logic Failures
- Trap mocks - Forcing the agent to reason
- Anatomy of a trace - Thought, action, observation
- Visual debugging with ADK Trace View
Formalizing Evaluation
- Capturing golden traces
- Trajectory matching rules
- Testing memory - Context persistence
- Organizing EvalSets for scale
Scaling Evaluation with Metrics
- Running headless eval batches
- Interpreting scores - Trajectory vs. semantic
- Pass@k and non determinism
- Reliability vs luck
Judges, Guardrails, and Production Readiness
- LLM as a judge - Custom rubrics
- Groundedness and faithfulness checks
- Safe refusal via negative logic
- Regression gates in CI CD
Synthesis and Next Steps
- Debugging playbook - Prompt vs. tool vs. model
- From vibe checks to verifiable agents
- Congratulations and keep going
Related courses
- Building Agents with the Google Agent Developer Kit
- Google Gemini for Developers
- Advanced Gemini for Developers (2024)
- AI Agents in Your Browser: Boosting Productivity with Gemini in Chrome
- Build with AI: Create a Context-Aware Multi-Agent System Using LLMs + MCP
- Claude with Google Cloud Vertex AI by Anthropic
- Google Gemini for Developers (2024)
- AI Evaluations: Foundations and Practical Examples
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