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Found 20 Skills
Explains how to add and debug playwright MCP tools and CLI commands.
Use when writing E2E tests with Playwright, setting up test infrastructure, or debugging flaky browser tests. Invoke for browser automation, E2E tests, Page Object Model, test flakiness, visual testing.
Use when feature flag tests fail, flags need updating, understanding @gate pragmas, debugging channel-specific test failures, or adding new flags to React.
Systematically trace bugs backward through call stack to find original trigger. Use when errors occur deep in execution and you need to trace back to find the original trigger.
Dispatch and coordinate parallel agent execution. Manages concurrent task processing with result aggregation and error handling.
This skill should be used when the user asks to "write tests", "add tests", "test coverage", "run tests", "debug failing tests", "mock functions", or mentions Vitest, unit tests, component tests, test-driven development, or testing utilities. Provides comprehensive Vitest v4 guidance for TypeScript React/Next.js projects.
Use when writing, reviewing, or debugging Jest + React Testing Library tests, before writing test code or when tests fail
Set up and run Playwright tests with Replay Browser to record test executions for debugging and performance analysis.
Testing guide using Vitest. Use when writing tests (.test.ts, .test.tsx), fixing failing tests, improving test coverage, or debugging test issues. Triggers on test creation, test debugging, mock setup, or test-related questions.
Run e2e tests in the Studio app. Use when asked to run e2e tests, run studio tests, playwright tests, or test the feature.
Use when errors occur deep in execution and you need to trace back to find the original trigger - systematically traces bugs backward through call stack, adding instrumentation when needed, to identify source of invalid data or incorrect behavior
DART testing patterns - unit tests, integration tests, CI validation