testing▌

Use agent-browser as the default CLI for deterministic UI checks.

Write the test first. Watch it fail. Write minimal code to pass.

Guides giveaway and contest pages for promotional campaigns. Drives signups, engagement, and viral sharing. Often uses Gleam, Woobox, Viralsweep, or similar. Common for e-commerce, SaaS launches, and community growth.

Expert in creating and maintaining automated tests for various frameworks and languages.

Security testing identifies vulnerabilities, weaknesses, and threats in applications to ensure data protection, prevent unauthorized access, and maintain system integrity. It combines automated scanning (SAST, DAST) with manual penetration testing and code review.

<default_to_action> When testing APIs or designing API test strategy:

vitest-testing

To test local web applications, write native Python Playwright scripts.

Use this skill to generate comprehensive Vitest tests for all code examples in a concept documentation page. Tests verify that code examples in the documentation are accurate and work as described.

Install: npm install --save-dev @testing-library/react @testing-library/dom. Recommended extras: @testing-library/user-event and @testing-library/jest-dom. React 19 requires v16.1.0+.