Build code with tests that prove they catch bugs.
What it does
Guides code changes through failing tests, minimal implementations, and refactoring to verify real behavior.
When to use it
Use for new features, bug fixes, refactoring, and behavior changes; ask the user about exceptions.
How to use it
It changes how the agent implements project code by requiring a failing test before production code.
What you provide
- An existing project
Good to know
- cannot be undone: production code
Latest review
What you need · 0
No setup requirements listed.
Access · 1
This skill
production code
Write
Deletes code written before tests (irreversible)