Description
E2E-tests-studio is an agent skill that sets the rules for end-to-end tests when someone changes the Mastra playground interface. It applies whenever a file in the playground UI or playground packages is created, modified or refactored, including React component work and UI changes. Its central principle is to test product behavior rather than interface states. The skill lists examples of what not to test, such as whether a dropdown opens, a modal appears, a spinner shows, form fields are visible or a sidebar collapses, because those checks pass without proving that the feature works. It asks the tests to confirm that the product feature itself works, not only that its controls appear. The skill is part of the Mastra repository and is published on skills.sh by the Mastra team. It is aimed at engineers who contribute to Mastra Studio and must keep its behavior tested after each change.…
Highlights
- Applies when playground UI or playground files change
- Tests product behavior rather than interface states
- Lists UI-state checks that do not prove a feature works
- Published by the Mastra team on skills.sh
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e2e-tests-studio FAQ
When should I use this skill?
When you modify any file in the Mastra playground UI or playground packages.
What does it test?
Product behavior, meaning whether a feature works, rather than whether UI elements render or open.
What does it say not to test?
UI states such as a dropdown opening, a modal appearing, a loading spinner or a sidebar collapsing.
Who is it for?
Engineers contributing to Mastra's playground and studio UI.
How do I install it?
Run npx skills add https://github.com/mastra-ai/mastra --skill e2e-tests-studio in your terminal.
Is it free?
The listing shows the skill as free.
What security audits has it passed?
skills.sh lists three audits: Gen Agent Trust Hub Pass, Socket Pass and Snyk Pass.
What are the best e2e-tests-studio alternatives?
Popular alternatives to e2e-tests-studio include webapp-testing, frontend-patterns and react-patterns. See all e2e-tests-studio alternatives