Claude Code
Codex
Cursor
GitHub Copilot
Gemini CLIAbout this skill
Use when proposing, writing, or reviewing automated tests, defines what a good test is: behavior over implementation details, and the Testing Trophy with a hard floor on end-to-end coverage for user-facing features. Generalized to any language and any layer (frontend, backend, CLI, library), not just JS/React. REQUIRED BACKGROUND for skills that plan or review tests, atdd-plan, implementation-review, tdd-writer, wrap-up. Use when the user asks whether tests are good, what to test, why a test is brittle, or whether e2e is needed.
Quick start
- Copy the install prompt. Use the green button above this README.
- Send it to your agent. Paste it into your coding agent’s chat and send.
- Review the setup. Your agent checks the skill’s instructions, requirements, and installation scope.
Review, license & listing details
This is an imported listing. We haven’t certified its safety, license, or compatibility. Skills may include executable scripts.
Only SKILL.md was scanned. Supporting files and scripts were not checked. No safety grade has been assigned.
0 potential findings · Scanned 11/4/2026 · Scanner 0.2.1
Content SHA-256: 9ec90cfee47214b62f3cae372d15037d659b4ac0d92526dc8a254e2b08c3f4fd
About this listing
- Category
- Engineering
- Reported license
- Not specified
- Listing language (estimated)
- English
- Review status
- Not individually reviewed
- Agent compatibility
- Atlas installation supports Claude Code, Codex, and Cursor. Skill-specific dependencies and features are checked during setup.