Catch regressions before they ship — unit tests with Vitest + Testing Library, visual snapshots with Chromatic, isolated stories in Storybook, end-to-end with Playwright.
5 skills · Works with Claude Code, Codex, Cursor & more
Write fast unit tests with Vitest — the Vite-native test runner. Generates test suites with mocking, spying, snapshot testing, code coverage, and in-source testing with native ESM and TypeScript support.
claude install-skill Jeffallan/claude-skills/test-master Write component tests the way users use the app with React/Vue/Svelte Testing Library. Enforces accessibility-first queries (getByRole, getByLabelText), userEvent over fireEvent, and resilient async assertions.
claude install-skill community/testing-library Build, document, and test UI components in isolation with Storybook 8. Generates stories, interaction tests, accessibility checks, visual regression configs, and auto-generated documentation.
claude install-skill nicholasoxford/claude-code-skills/storybook Catch every pixel regression with Chromatic. Configures Storybook visual snapshots, cross-browser captures, interaction tests, and TurboSnap to only re-test what changed.
claude install-skill community/chromatic-visual Write and maintain end-to-end tests with Playwright. Generates test suites with proper page objects, fixtures, visual regression checks, and CI integration for cross-browser testing.
claude install-skill Jeffallan/claude-skills/playwright-expert Build AI-powered applications with RAG, multi-agent systems, prompt engineering, and MCP integrations
Modern warehouse-native data engineering — dbt for transformations, Dagster for orchestration, DuckDB and Polars for fast local analytics, plus pipeline and SQL fundamentals
End-to-end deployment, monitoring, and infrastructure skills for shipping and operating production systems