"write my bio" prompt → "cold email" name: serge </> skill.md { run() }
MK
Marketing & Growth
Campaigns, SEO, Ads
LG
Legal & Finance
Contracts, CFO, Tax
Skill .md
For any AI
SK
AI Agents
End-to-end tasks
AG
Your inputs

Your test cases will appear here.
Describe a feature and click Generate.

Need executable test code, not just a plan?
Get an AI QA engineer that writes the actual test suite.
Mira, the QA Engineer Skill, turns Claude, ChatGPT, or any AI chat into a QA partner that writes executable test code, automation recommendations, and full coverage plans.
See the QA Engineer Skill →

What is a free test case generator?

This free test case generator builds a starter test suite — happy path, boundary, error handling, and permissions/security — for any feature or function you describe. Enter the feature name, a short description, and the test type, and it returns numbered test cases (TC-01, TC-02...) grouped by risk category.

Happy-path-only testing is the most common gap in real projects. This tool always includes boundary and error-handling cases by default, because that's where software most commonly breaks in production, not in the demo.

What this can't do

It doesn't know your actual codebase, so it can't generate precise assertions, mock data, or executable test code — it gives you the test plan, not the implementation. For full test suites with automation recommendations, executable code skeletons, and coverage tied to real requirements, a dedicated QA engineering skill picks up where this free tool stops.

Like this free tool? Get the full Claude skill.
A ready-to-load skill that does this and far more — 290+ roles for Claude & ChatGPT.

See the QA Engineer Skill → All skills All prompts