Vitest · For developers

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

Development guide for the @arizeai/phoenix-client TypeScript SDK — run and resume experiments, manage OpenTelemetry tracer providers with stack-based attach/detach, and write vitest unit and…

Arize-ai/phoenix

Select and run TypeScript SDK verification for packages, examples, type checks, linting, builds, Vitest suites, Effect v4 CLI tests, and runtime E2E tests.

ComposioHQ/composio

Stabilizes one flaky test with the smallest possible fix, such as a longer timeout or a real wait, without weakening, skipping or deleting any assertion.

QwenLM/qwen-code

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

Generate comprehensive test suites for existing code. An agent skill from agulli/atlas-agents.

agulli/atlas-agents

Choose and run the appropriate eXeLearning checks for a diff, including the final code gates or guidance-only validation.

exelearning/exelearning

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

DanielPodolsky/ownyourcode

ALWAYS USE for test work that requires changes: write, add, generate, repair, or strengthen tests for existing code in xUnit, MSTest, NUnit, pytest, Vitest/Jest, Go, or another framework.

microsoft/testfx

Generate convex-test tests for the app's Convex functions. An agent skill from openclaw/clawhub.

openclaw/clawhub

Bridge Server (TypeScript) のテスト実行・型チェック・テスト記述ガイド. An agent skill from K9i-0/ccpocket.

K9i-0/ccpocket

Measure and improve test coverage meaningfully. An agent skill from petrkindlmann/qa-skills.

petrkindlmann/qa-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

Write and review unit tests for Vue 3 + TypeScript + Vitest + Pinia codebases.

github/awesome-copilot

Add, review, and maintain Chromatic visual regression coverage in the Sanity monorepo via dev/storybook stories, the vitest browser-mode suite, and Playwright e2e snapshots.

sanity-io/sanity

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

vite+ unified TypeScript toolchain conventions: the vp CLI for package/node management, oxlint/oxfmt, type-aware linting, vitest, rolldown/tsdown bundling, task caching, and migration.

Goldziher/ai-rulez

Vite+ unified toolchain (vp CLI) usage for this project, wrapping Vite, Rolldown, Vitest, tsdown, Oxlint, Oxfmt, and Vite Task.

victorgarciaesgi/regle

Keep tests deterministic and Effect-aware. An agent skill from UsefulSoftwareCo/executor.

UsefulSoftwareCo/executor

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

sickn33/agentic-awesome-skills

A skill your agent uses when reviewing Vitest unit-test diffs in ComfyUIfrontend, especially new mocks, store tests, component tests, or bugfix regression tests.

Comfy-Org/ComfyUI_frontend

How to write tests in the Portable Text Editor monorepo. An agent skill from portabletext/editor.

portabletext/editor

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

Consolidates repeated test setup and teardown into the narrowest shared lifecycle owner.

Comfy-Org/ComfyUI_frontend

A skill your agent uses for Vue.js testing. An agent skill from JetBrains/skills.

JetBrains/skills

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 E2E tests with TestDriver.ai, the AI code reviewer that runs every pull request in a real desktop sandbox, finds bugs, and builds regression tests

sickn33/agentic-awesome-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

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

EliasOulkadi/shokunin

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

citypaul/.dotfiles

A skill your agent uses when adding or changing tests, or before considering a change done, in ChatbotX.

ChatbotXIO/ChatbotX

Vue 3 renderer + Tauri 2 shell conventions for flowfilefrontend and flowfilewasm — path aliases, Pinia store map, the axios trailing-slash 307 trap, the node-settings-by-glob-convention resolution…

Edwardvaneechoud/Flowfile

A skill your agent uses when instrumenting code with runtime logs to test a hypothesis — @dxos/log debug lines captured to app.log (browser), test.log (node tests), or test-browser.log (browser…

dxos/dxos

Regenerate cached LLM responses for tests that replay model fixtures.

dxos/dxos

CPU-profile or leak-detect an existing vitest suite via env-gated instrumentation — DXPROFILETESTS emits a V8 .cpuprofile, DXDEBUGLEAKS writes before/after heap snapshots plus a per-test heapUsed…

dxos/dxos

Test assistant conversations, agents, and skills using AssistantTestLayer, Effect/vitest, ECHO types, and memoized LLM fixtures.

dxos/dxos

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

citypaul/.dotfiles

Testing patterns for behavior-driven tests. An agent skill from citypaul/.dotfiles.

citypaul/.dotfiles

Run ChatQnA Core unit tests for backend (pytest via uv) and frontend UI (vitest), including runtime selection (openvino or ollama), coverage options, and concise pass/fail evidence.

open-edge-platform/edge-ai-libraries

Run build/lint/test/typecheck verification during implementation or before merge while minimizing token spend.

epam/ai-dial-chat

Audit & fix unit tests for permission-gated components. An agent skill from trycompai/comp.

trycompai/comp

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

Exact per-package pytest/vitest/playwright commands, the registered pytest markers and which need Docker, the testutils Docker fixture matrix, the shared-test-DB isolation model and its failure…

Edwardvaneechoud/Flowfile

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

Persist flaker's DuckDB storage across GitHub Actions runs and feed it from multiple sources (vitest reports, custom adapter reports, etc.).

mizchi/skills

A skill your agent uses when auditing test infrastructure — vitest coverage, playwright configuration, VRT setup, coverage merging.

mizchi/skills