Jest agent skills, page 2

Test-writing patterns for JS/TS, Python, Go, and Rust (unit, integration, E2E, visual regression).

travisjneuman/.claude

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

Write unit and integration tests for Ts.ED v8 applications with Vitest (Jest as a fallback) - vitest.config with unplugin-swc, PlatformTest.create/invoke/reset from @tsed/platform-http/testing…

tsedio/tsed

Create backend tests for Rundeck (unit, API, functional). An agent skill from rundeck/rundeck.

rundeck/rundeck

Detect drift across ALL the sync surfaces /init vendors into a project — .adlc/templates/.md, .adlc/partials/.sh, .adlc/ETHOS.md, and the workflow runtime (.adlc/workflows/adlc-sprint.workflow.js +…

atelier-fashion/adlc-toolkit

Verify a Nexus change — pick a Jest lane, write a test that can actually fail, run the in-app Obsidian CLI loop, drive the eval harness, or fix a shipped-docs drift failure.

ProfSynapse/nexus

Conventions for Handsontable's Jest unit and TypeScript type tests: where files go, how to run them, mocking limits and when to write an E2E test instead.

handsontable/handsontable

Migrate an Nx repo package's unit tests from Jest to Vitest, reusing the shared setup that packages/workspace established.

nrwl/nx

Repo-specific guide to the Ever Works monorepo (ever-works/ever-works) — its pnpm + Turborepo layout, the per-workspace test runners (Jest vs Vitest vs Playwright), file-naming and import-alias…

ever-works/ever-works

Design CI/CD pipelines that run test suites. An agent skill from petrkindlmann/qa-skills.

petrkindlmann/qa-skills

Run local validation checks for ZenUML web-sequence before pushing, opening a PR, or merging.

ZenUml/web-sequence

Lightning Web Components with PICKLES methodology and 165-point scoring.

forcedotcom/sf-skills

Writes and reviews modern JavaScript: ES2023+ syntax, async/await, ESM modules, Node.js and browser APIs, with linting, leak checks and Jest tests.

Jeffallan/claude-skills

Explains how the @handsontable/react-wrapper package is built, from its components and settings mapping to selection handling and the generated TypeScript declarations.

handsontable/handsontable

Explains how to run and write tests for Handsontable's Walkontable rendering engine, which has its own Jasmine, Puppeteer and Jest pipelines apart from the main E2E tests.

handsontable/handsontable

The test-driven development workflow for ZettelFlow — write a failing test first, run jest, use the Obsidian mock and the bare-specifier alias mappings, and know which code is unit-testable.

RafaelGB/Obsidian-ZettelFlow

Implement comprehensive testing strategies with pytest, fixtures, mocking, and test-driven development.

jh941213/my-cc-harness

Applies proven testing patterns — Arrange-Act-Assert (AAA), Given-When-Then, Test Data Builders, Object Mother, parameterized tests, fixtures, spies, and test doubles — to help write maintainable…

rohitg00/skillkit

Add or update Jest unit tests for fe-tools utilities. An agent skill from MichealWayne/fe-tools.

MichealWayne/fe-tools

Nest.js framework expert specializing in module architecture, dependency injection, middleware, guards, interceptors, testing with Jest/Supertest, TypeORM/Mongoose integration, and Passport.js…

davila7/claude-code-templates

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

Diagnose and fix tests that pass in isolation but fail when run concurrently.

rileyhilliard/claude-essentials

Guides test strategy for unit, integration, and E2E testing.

DanielPodolsky/ownyourcode

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

Automatically suggest tests for new functions and components.

alirezarezvani/claude-code-tresor

Write adversarial test cases that break production code instead of producing false confidence.

theexperiencecompany/gaia

Generates Jest unit and integration tests in JavaScript or TypeScript.

sickn33/agentic-awesome-skills

Generates Vitest tests in JavaScript/TypeScript with Vite-native speed.

sickn33/agentic-awesome-skills

Test-driven development skill for writing unit tests, generating test fixtures and mocks, analyzing coverage gaps, and guiding red-green-refactor workflows across Jest, Pytest, JUnit, Vitest, and…

alirezarezvani/claude-skills

Write and run automated tests with Jest and Testing Library in the browser.

live-codes/livecodes

Autonomous maintenance routine that root-causes intermittently failing CI tests — mining GitHub Actions history for same-commit red-to-green reruns, reproducing locally with repeated runs, fixing…

bex-co/beancount-io

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

Lightning Web Components with PICKLES methodology and 165-point scoring.

Jaganpro/sf-skills

Apex test execution, coverage analysis, and test-fix loops with 120-point scoring.

Jaganpro/sf-skills

Generate unit, integration, E2E, and visual regression tests following the Testing Trophy methodology (80% integration).

EliasOulkadi/shokunin

Apex test execution, coverage analysis, and test-fix loops with 120-point scoring.

forcedotcom/sf-skills

E2E test automation using agent-browser CLI. An agent skill from jh941213/my-cc-harness.

jh941213/my-cc-harness

Generate failing tests for the TDD red phase to define expected behavior and edge cases.

aiskillstore/marketplace

Write unit and integration tests for Ledger Wallet apps. An agent skill from LedgerHQ/ledger-live.

LedgerHQ/ledger-live

A skill your agent uses for anything about testing FrontMCP servers: writing or running unit, integration, and E2E tests and reaching the 95%+ coverage bar.

agentfront/frontmcp

Testing patterns for Jest and Playwright. An agent skill from bybren-llc/safe-agentic-workflow.

bybren-llc/safe-agentic-workflow

Testing patterns for Jest and Playwright. An agent skill from bybren-llc/safe-agentic-workflow.

bybren-llc/safe-agentic-workflow

A skill your agent uses when writing, fixing, reviewing, or planning tests in any project, in whatever runner the project already uses.

WrongStack/WrongStack

Test or validate Supercheck changes using package checks, Jest, Playwright UI/API E2E, recorder browser tests, contract tests, AI SRE acceptance, release evidence, and commit/merge readiness gates.

supercheck-io/supercheck

Parse build errors, test failures, type-check output, and validation logs into structured data.

maslennikov-ig/claude-code-orchestrator-kit

Test-driven development skill for writing unit tests, generating test fixtures and mocks, analyzing coverage gaps, and guiding red-green-refactor workflows across Jest, Pytest, JUnit, Vitest, and…

LeoYeAI/openclaw-master-skills

Long-term technology stack review using State of JS, State of CSS, and Thoughtworks Technology Radar — satisfaction×usage matrix, ADOPT/TRIAL/ASSESS/HOLD mapping, P0–P3 migration priority.

mizchi/skills