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Claude skills and agent skills

Skills real projects publish on GitHub, most starred first. Each one says what it will make an agent do before you copy it.

Best matches · from page 16Worked for most · soon
hideki5123Skill

test-scenario

hideki5123/agent-skill-set/test-scenario/SKILL.md

Generate test outlines (living documentation) and test code from natural language feature descriptions. Supports .NET (xUnit/NUnit/MSTest), Python (pytest), TypeScript (Vitest/Jest). Strict mode: no internal module mocking, real DB, AAA pattern, Design by Contract (DbC). Use when the user asks to generate tests from a feature description, create test cases from requirements, write test outlines, scaffold test files, generate test code from spec, convert TODO tests to real tests, or create tests for a function. Trigger phrases include "test scenario", "テストシナリオ", "generate tests", "テスト生成", "テストケース作成", "write tests for", "scaffold tests", "tests from requirements", "テストアウトライン", "convert todo tests", "implement test outline", "test outline", "test cases from spec".

23mo agoDiscuss
JetBrainsSkill

webapp-testing

JetBrains/skills/webapp-testing/SKILL.md

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.

3535mo agoDiscuss
aiqualitylabSkill

api-testing

aiqualitylab/agent-skills/skills/api-testing/SKILL.md

Generate and run REST API tests using Postman collections and Newman CLI. Use when asked to test APIs, verify endpoints, validate responses, or run Postman tests in CI.

18mo agoDiscuss
Cure-Consulting-GroupSkill

e2e-testing

Cure-Consulting-Group/ProductEngineeringSkills/skills/engineering/e2e-testing/SKILL.md

Writes E2E test suites (Playwright, Compose/Espresso, XCUITest) with page objects and CI wiring. Use when adding E2E, smoke, or visual regression tests for a user flow or fixing flaky E2E tests.

17d agoDiscuss
datashamanSkill

pest-testing

datashaman/growth/.github/skills/pest-testing/SKILL.md

Use this skill for Pest PHP testing in Laravel projects only. Trigger whenever any test is being written, edited, fixed, or refactored — including fixing tests that broke after a code change, adding assertions, converting PHPUnit to Pest, adding datasets, and TDD workflows. Always activate when the user asks how to write something in Pest, mentions test files or directories (tests/Feature, tests/Unit, tests/Browser), or needs browser testing, smoke testing multiple pages for JS errors, or architecture tests. Covers: test()/it()/expect() syntax, datasets, mocking, browser testing (visit/click/fill), smoke testing, arch(), Livewire component tests, RefreshDatabase, and all Pest 4 features. Do not use for factories, seeders, migrations, controllers, models, or non-test PHP code.

14mo agoDiscuss
factor241Skill

e2e-testing

factor241/ketos-bot/.agents/skills/e2e-testing/SKILL.md

Write and review Playwright E2E tests for Ketos. Trigger when the user asks to write, fix, or review E2E tests, spec files, Playwright tests, or integration tests that exercise the full UI. Also trigger when modifying data-testid attributes, test helpers in tests/utils/, or fixture configuration.

128d agoReads credentialsDiscuss
iCesofTSkill

e2e-testing

iCesofT/awesome-ai/skills/04-testing-e2e-testing/SKILL.md

E2E testing patterns with Playwright — Page Object Model, test structure, CI/CD integration, artifact management, and flaky test strategies. For Spring Boot apps, covers BDD (Cucumber) integration.

16mo agoReads credentialsDiscuss
junimnjwSkill

e2e-testing

junimnjw/everything-claude-code/skills/e2e-testing/SKILL.md

Playwright E2E testing patterns, Page Object Model, configuration, CI/CD integration, artifact management, and flaky test strategies.

17mo agoReads credentialsDiscuss
Lukk17Skill

e2e-testing

Lukk17/agent-standards/.agents/skills/e2e-testing/SKILL.md

Playwright browser end-to-end testing, covering suite layout, the Page Object Model, configuration, semantic locators, the canonical flaky-test policy, artifacts, and CI wiring. Use when you say "write a Playwright test for the login flow", "our e2e suite is flaky", "set up playwright.config.ts", "add e2e tests to CI", or "test the checkout journey in a browser". Not for backend capability sweeps against a live stack, use `e2e-runbooks`.

16d agoReads credentialsDiscuss
magallonSkill

e2e-testing

magallon/testing-toolkit/e2e-testing/SKILL.md

Generates and manages end-to-end tests for critical user flows in any web project. Covers test design, Page Object Model, selector strategy, wait patterns, auth state reuse, test data management, network mocking, visual regression, accessibility testing, flaky test diagnosis, and CI/CD pipeline configuration. Stack-agnostic — adapts to Playwright, Cypress, Selenium, Laravel Dusk, Capybara, or any browser automation framework. Use this skill when the user asks to write E2E tests, automate browser tests, test user flows end-to-end, fix flaky tests, set up visual regression testing, configure E2E in CI/CD, debug failing E2E tests, or test across multiple browsers. Also triggers when the user mentions Playwright, Cypress, browser testing, smoke tests, critical path testing, or end-to-end test automation. Works with testing-strategy — use testing-strategy first to decide WHAT to test, then this skill to implement the E2E tests.

17mo agoDiscuss
mejbaurbaharSkill

api-testing

mejbaurbahar/fagun/skills/api-testing/SKILL.md

Use when testing REST/GraphQL APIs directly — status codes, schema/contract validation, auth, pagination, rate limits, idempotency, and error responses. Use instead of driving the UI when the question is really about the API layer.

13mo agoDiscuss
mejbaurbaharSkill

llm-testing

mejbaurbahar/fagun/skills/llm-testing/SKILL.md

Use when testing LLM-powered features — prompt testing, hallucination/faithfulness checks, RAG evaluation, agent/tool-use testing, prompt injection and LLM security, regression testing across model/prompt versions, and cost/latency/token budget testing.

13mo agoDiscuss
niloykumarbarmanSkill

e2e-testing

niloykumarbarman/EVERYTHING-CLAUDE-CODE/.agents/skills/e2e-testing/SKILL.md

Playwright E2E testing patterns, Page Object Model, configuration, CI/CD integration, artifact management, and flaky test strategies.

16mo agoReads credentialsDiscuss
paulocmguerreiroSkill

pest-testing

paulocmguerreiro/findocprocessor-backend-laravel/.claude/skills/pest-testing/SKILL.md

Use this skill for Pest PHP testing in Laravel projects only. Trigger whenever any test is being written, edited, fixed, or refactored — including fixing tests that broke after a code change, adding assertions, converting PHPUnit to Pest, adding datasets, and TDD workflows. Always activate when the user asks how to write something in Pest, mentions test files or directories (tests/Feature, tests/Unit, tests/Browser), or needs browser testing, smoke testing multiple pages for JS errors, or architecture tests. Covers: test()/it()/expect() syntax, datasets, mocking, browser testing (visit/click/fill), smoke testing, arch(), Livewire component tests, RefreshDatabase, and all Pest 4 features. Do not use for factories, seeders, migrations, controllers, models, or non-test PHP code.

151d agoDiscuss
rhfl04-dfdfSkill

e2e-testing

rhfl04-dfdf/jychoi_everything-claude-code-ko/.agents/skills/e2e-testing/SKILL.md

Playwright E2E 테스트 패턴, Page Object Model, 설정, CI/CD 통합, artifact 관리 및 flaky 테스트 전략.

17mo agoReads credentialsDiscuss
royaluniondesign-sysSkill

cpp-testing

royaluniondesign-sys/claude-os/.claude/skills/cpp-testing/SKILL.md

Use only when writing/updating/fixing C++ tests, configuring GoogleTest/CTest, diagnosing failing or flaky tests, or adding coverage/sanitizers.

17mo agoDiscuss
savethepolarbearsSkill

e2e-testing

savethepolarbears/agenthaus-marketplace/.agents/skills/e2e-testing/SKILL.md

../../../plugins/playwright-testing/skills/e2e-testing/SKILL.md

16mo agoDiscuss
themusecatcherSkill

e2e-testing

themusecatcher/ai-coding-kit/skills/e2e-testing/SKILL.md

Playwright 端到端测试模式,包括页面对象模型、配置管理、CI/CD 集成、产物管理和不稳定测试处理策略。

116d agoReads credentialsDiscuss
ykotikSkill

api-testing

ykotik/cli-power-skills/skills/api-testing/SKILL.md

Use when testing HTTP endpoints, probing URLs for status and headers, or running declarative API test suites from plain text files

16mo agoDiscuss
mbwsimsSkill

test-plan

mbwsims/claude-universe/skills/test-plan/SKILL.md

This skill should be used when the user asks to "plan tests", "what should I test", "what tests do I need", "test plan for", "testing strategy for", "test matrix for", "what cases should I cover", "help me plan tests", mentions "/test-plan", or wants to understand what tests are needed before writing any test code.

716mo agoDiscuss
CLAUDE.md vs AGENTS.md

About skills

What is a Claude skill?

A folder with a SKILL.md file: a name, a description of when to use it, and instructions. Claude loads a skill only when the task matches its description.

How do I use one I find here?

Copy the folder into your project's .claude/skills/ directory, or into your own skills folder to use it everywhere.

What do the warnings mean?

We read each file for commands that read secrets, delete things or pipe downloads into a shell, and say so before you copy it. No warning is not a promise that a file is safe.

Which skills worked for people?

Open a skill to see its discussion. Reports from people and their agents are coming.