React · Unit testing

A skill your agent uses when you need to write, review, or debug automated tests for applications built on the Jazz framework.

garden-co/classic-jazz

Chooses the right verification step after a code change in Pierre's monorepo: format and lint, a typecheck, Bun unit tests, snapshots, or Playwright E2E.

pierrecomputer/pierre

Write idiomatic Effect v4 TypeScript verified against the pinned effect@4.0.0-rc.112 source.

tellahq/opensession

Test @data-client/react with renderDataHook and mountDataClient - jest unit tests, fixtures, interceptors, MockResolver, mock responses, nock HTTP mocking, fake timers for polling/subscription…

reactive/data-client

Jest + React Testing Library best practices for Wonder Blocks unit tests.

Khan/wonder-blocks

Reference patterns for REST APIs, pytest/vitest testing, Docker multi-stage builds, GitHub Actions CI/CD, PostgreSQL, TypeScript generics, Python async, and React Server Components.

Aedelon/claude-code-blueprint

Write tests using React Native Testing Library (RNTL) v13 and v14 (@testing-library/react-native).

callstackincubator/agent-skills

Write and review React/TypeScript tests for Sentry's frontend using Jest and React Testing Library.

getsentry/sentry

Server rendering and testing for react-horizontal-scrolling-menu: the library is client-only ('use client' required in React Server Components, else "createContext is not a function"), SSR first…

asmyshlyaev177/react-horizontal-scrolling-menu

Implement or refactor Formax tool transcript UI using the Tool UI Blocks (C-lite) pattern (ToolUiBlocks renderer + blocks presenters) to avoid touching many tool presenter files; use when adjusting…

yusifeng/formax

Use the shared TestProvider in workflowsmanagement Jest tests instead of hand-wiring KibanaContextProvider, QueryClientProvider, WorkflowsContextProvider, MemoryRouter, I18nProvider, and the Redux…

elastic/kibana

React component testing with React Testing Library, Vitest/Jest, MSW for network mocking, accessibility assertions with axe, and the decision boundary between component tests and Playwright/Cypress…

affaan-m/ECC

Helps write unit tests for UUI components using Jest, jsdom, and @epam/uui-test-utils.

epam/UUI

Generates unit tests, integration tests, and E2E tests for React/Next.js applications.

alirezarezvani/claude-skills

Test building block catalog — typed patterns for Storybook play-function tests, Vitest hook tests, Vitest unit tests, MSW handlers, and test data fixtures.

bartstc/vite-ts-react-template

Designs frontend tests using the repository's configured React test and browser harnesses, including RTL, MSW, Vitest, and Playwright when present.

shinpr/ai-coding-project-boilerplate

Set up Vitest testing in any project — detects type (Cloudflare Workers, React, Node, library), generates vitest.config.ts, test setup, utilities, and a sample test.

jezweb/claude-skills

Build React 19 components and hooks under React Compiler: state, Effects, memoization, props/refs, Actions, use(), compiler/lint setup, and Vitest tests.

pedronauck/skills

React component testing patterns including components, hooks, context, and forms.

citypaul/.dotfiles

Behavior-driven UI testing patterns across Vitest Browser Mode, Playwright E2E evidence boundaries, and DOM Testing Library.

citypaul/.dotfiles

Creates tests for Hilla use cases on both sides of the browser boundary: Vitest + React Testing Library tests for the React/TypeScript view (with the generated endpoint clients mocked) and Spring…

AI-Unified-Process/marketplace

Testing for React/Next.js with Jest, React Testing Library, and Playwright.

borghei/Claude-Skills

Test a React app that embeds CometChat v7 — what to mock vs exercise for real, rendering kit components under a test provider, waiting out the async init→login gate, and a lean E2E smoke.

cometchat/cometchat-skills

Automatically activated when user works with Jest tests, mentions Jest configuration, asks about Jest matchers/mocks, or has files matching .test.js, .test.ts, jest.config..

aiskillstore/marketplace

リポジトリで設定済みのReactテスト・ブラウザハーネスを使用してフロントエンドテストを設計。RTL、MSW、Vitest、Playwrightが存在する場合に適用。コンポーネント、loading/error state、統合、フロントエンドE2Eテストの追加・レビュー時に使用。

shinpr/ai-coding-project-boilerplate

使用仓库已配置的 React 测试与浏览器测试工具（包括 RTL、MSW、Vitest，以及存在时的 Playwright）设计前端测试。适用于新增或评审组件测试、加载/错误状态测试、集成测试或前端 E2E 测试时。

shinpr/ai-coding-project-boilerplate

A skill your agent uses when writing or fixing frontend unit, component or custom-hook tests with Vitest or Jest plus Testing Library — rendering a component in jsdom, testing a hook in isolation…

ericrisco/rsc-harness

Test React components with RTL and Jest/Vitest. An agent skill from HoangNguyen0403/agent-skills-standard.

HoangNguyen0403/agent-skills-standard

通过 Context7 MCP 获取库和框架的实时最新文档，而非依赖训练数据，防止 API 幻觉。适用于查询任何库或框架的用法、配置、示例代码。触发词：怎么用、怎么配置、API参考、文档、示例代码、用法、接口、库文档、框架文档、documentation、docs、how to use、API…

ProgrammerAnthony/Expert-Coding-Harness

TypeScript/JavaScript coding rules: style, patterns, security, testing.

softspark/ai-toolkit

Effect-TS library usage in TypeScript — Effect.gen generators, Schema.Struct/Schema.Class definitions, Layer/Context.Tag/Service patterns, Effect.pipe pipelines, Data.TaggedError/Data.Class error…

pproenca/dot-skills

A skill your agent uses when setting up new projects or updating tool configurations.

MadAppGang/claude-code