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Chapter 1Start coding with Claude
Chapter 2Checking and evaluations
Lesson 1A check that can fail
Lesson 2Write the evals first
Lesson 3A separate reviewer
Lesson 4Our own test behind a claim
Chapter 3Hooks
Chapter 4From idea to product
Chapter 5Skills and subagents
Chapter 6A secure setup
Chapter 7Many agents, one job

A check that can fail

Read
Break it on purpose
Task 1
Task 2
Make it fail on the wrong result
Task 3
Task 4
Video recap
Takeaway

Workshop · Task 4 of 4

Catch the empty list

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