TestMu AI Skills - Production-Grade Agent Skills for Test Automation

Battle-tested Agent Skills for Claude Code, Copilot, Cursor, Gemini CLI & more - covering every major test automation framework across 15+ languages.

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What Is This?

TestMu AI Skills is a curated collection of Agent Skills that teach AI coding assistants how to write production-grade test automation. Each skill is a self-contained package of instructions, code patterns, debugging guides, and CI/CD configurations for a specific testing framework.

Instead of getting generic test code, your AI agent becomes a Senior QA automation architect that knows:

• The right project structure for each framework
• Correct dependency versions and configurations
• Both local and cloud (TestMu AI) execution patterns
• Common pitfalls and how to debug them
• CI/CD integration with GitHub Actions
• Best practices that ship in real-world codebases

Quick Start

Install All Skills

npx skills add https://github.com/LambdaTest/agent-skills.git

The CLI auto-detects your AI tool and installs to the right directory. You can also specify it explicitly:

npx skills add https://github.com/LambdaTest/agent-skills.git --tool cursor

Install a Specific Skill

# E2E Testing
npx skills add https://github.com/LambdaTest/agent-skills.git --skill selenium-skill
npx skills add https://github.com/LambdaTest/agent-skills.git --skill playwright-skill
npx skills add https://github.com/LambdaTest/agent-skills.git --skill cypress-skill

# Unit Testing
npx skills add https://github.com/LambdaTest/agent-skills.git --skill jest-skill
npx skills add https://github.com/LambdaTest/agent-skills.git --skill pytest-skill
npx skills add https://github.com/LambdaTest/agent-skills.git --skill junit-5-skill

# Mobile Testing
npx skills add https://github.com/LambdaTest/agent-skills.git --skill appium-skill

# BDD
npx skills add https://github.com/LambdaTest/agent-skills.git --skill cucumber-skill

Browse Available Skills

npx skills list https://github.com/LambdaTest/agent-skills.git

CLI Reference

Flag	Description	Example
--skill <name>	Install a single skill	--skill playwright-skill
--tool <name>	Target a specific AI tool	--tool claude
--dir <path>	Custom installation directory	--dir ./my-skills

Supported tools: claude · cursor · copilot · gemini · codex · opencode · windsurf

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Once installed, just ask your AI assistant naturally:

"Write Playwright tests for the login page and run them on TestMu AI cloud (Chrome + Firefox)"

"Set up Cypress component tests for the React dashboard and upload screenshots on failure"

"Create JUnit 5 tests for the payments service with Mockito and GitHub Actions CI"

"Run Playwright tests locally against http://localhost:3000 with trace and video enabled"

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Compatibility

These skills follow the open Agent Skills Standard (SKILL.md format):

Tool	Type	Support	--tool flag
Claude Code	CLI	✅ Full	claude
GitHub Copilot	Extension	✅ Full	copilot
Cursor	IDE	✅ Full	cursor
Gemini CLI	CLI	✅ Full	gemini
Codex CLI	CLI	✅ Full	codex
OpenCode	CLI	✅ Full	opencode
Windsurf	IDE	✅ Full	windsurf
Claude.ai	Web	✅ Upload	Settings → Features → Skills

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Features & Categories

Category	Count	Frameworks
🌐 E2E / Browser Testing	15	Selenium, Playwright, Cypress, WebdriverIO, Puppeteer, TestCafe, Nightwatch.js, Capybara, Geb, Selenide, NemoJS, Protractor, Codeception, Laravel Dusk, Robot Framework
🧪 Unit Testing	15	Jest, JUnit 5, pytest, TestNG, Vitest, Mocha, Jasmine, Karma, xUnit, NUnit, MSTest, RSpec, PHPUnit, Test::Unit, unittest
📱 Mobile Testing	5	Appium, Espresso, XCUITest, Flutter, Detox
📋 BDD Testing	7	Cucumber, SpecFlow, Serenity BDD, Behave, Behat, Gauge, Lettuce
👁️ Visual Testing	1	SmartUI
☁️ Cloud Testing	1	HyperExecute
🔄 Migration	1	Selenium ↔ Playwright, Puppeteer, Cypress
🔄 DevOps / CI/CD	1	GitHub Actions / Jenkins / GitLab CI

Languages Covered

Java · Python · JavaScript · TypeScript · C# · Ruby · PHP · Kotlin · Swift · Objective-C · Dart · Groovy · YAML · XML · Robot Framework

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Full Skill Registry (46/46)

Skill	Languages	Category	Quick Install
Selenium Skill	Java, Python, JS, C#, Ruby	E2E	npx skills add https://github.com/LambdaTest/agent-skills.git --skill selenium-skill
Playwright Skill	JS, TS, Python, Java, C#	E2E	npx skills add https://github.com/LambdaTest/agent-skills.git --skill playwright-skill
Cypress Skill	JS, TS	E2E	npx skills add https://github.com/LambdaTest/agent-skills.git --skill cypress-skill
Jest Skill	JS, TS	Unit	npx skills add https://github.com/LambdaTest/agent-skills.git --skill jest-skill
JUnit 5 Skill	Java	Unit	npx skills add https://github.com/LambdaTest/agent-skills.git --skill junit-5-skill
pytest Skill	Python	Unit	npx skills add https://github.com/LambdaTest/agent-skills.git --skill pytest-skill
TestNG Skill	Java	Unit	npx skills add https://github.com/LambdaTest/agent-skills.git --skill testng-skill
WebdriverIO Skill	JS, TS	E2E	npx skills add https://github.com/LambdaTest/agent-skills.git --skill webdriverio-skill
Appium Skill	Java, Python, JS, Ruby, C#	Mobile	npx skills add https://github.com/LambdaTest/agent-skills.git --skill appium-skill
Puppeteer Skill	JS, TS	E2E	npx skills add https://github.com/LambdaTest/agent-skills.git --skill puppeteer-skill
Test Framework Migration Skill	JS, TS, Java, Python, C#	Migration	npx skills add https://github.com/LambdaTest/agent-skills.git --skill test-framework-migration-skill
Mocha Skill	JS, TS	Unit	npx skills add https://github.com/LambdaTest/agent-skills.git --skill mocha-skill
Vitest Skill	JS, TS	Unit	npx skills add https://github.com/LambdaTest/agent-skills.git --skill vitest-skill
Cucumber Skill	Java, JS, Ruby, TS	BDD	npx skills add https://github.com/LambdaTest/agent-skills.git --skill cucumber-skill
Espresso Skill	Java, Kotlin	Mobile	npx skills add https://github.com/LambdaTest/agent-skills.git --skill espresso-skill
Nightwatch.js Skill	JS, TS	E2E	npx skills add https://github.com/LambdaTest/agent-skills.git --skill nightwatchjs-skill
Flutter Testing Skill	Dart	Mobile	npx skills add https://github.com/LambdaTest/agent-skills.git --skill flutter-testing-skill
XCUITest Skill	Swift, Obj-C	Mobile	npx skills add https://github.com/LambdaTest/agent-skills.git --skill xcuitest-skill
Detox Skill	JS, TS	Mobile	npx skills add https://github.com/LambdaTest/agent-skills.git --skill detox-skill
TestCafe Skill	JS, TS	E2E	npx skills add https://github.com/LambdaTest/agent-skills.git --skill testcafe-skill
xUnit Skill	C#	Unit	npx skills add https://github.com/LambdaTest/agent-skills.git --skill xunit-skill
RSpec Skill	Ruby	Unit	npx skills add https://github.com/LambdaTest/agent-skills.git --skill rspec-skill
NUnit Skill	C#	Unit	npx skills add https://github.com/LambdaTest/agent-skills.git --skill nunit-skill
Karma Skill	JS, TS	Unit	npx skills add https://github.com/LambdaTest/agent-skills.git --skill karma-skill
MSTest Skill	C#	Unit	npx skills add https://github.com/LambdaTest/agent-skills.git --skill mstest-skill
Jasmine Skill	JS, TS	Unit	npx skills add https://github.com/LambdaTest/agent-skills.git --skill jasmine-skill
PHPUnit Skill	PHP	Unit	npx skills add https://github.com/LambdaTest/agent-skills.git --skill phpunit-skill
Robot Framework Skill	Python, Robot	E2E	npx skills add https://github.com/LambdaTest/agent-skills.git --skill robot-framework-skill
Behat Skill	PHP	BDD	npx skills add https://github.com/LambdaTest/agent-skills.git --skill behat-skill
Behave Skill	Python	BDD	npx skills add https://github.com/LambdaTest/agent-skills.git --skill behave-skill
Capybara Skill	Ruby	E2E	npx skills add https://github.com/LambdaTest/agent-skills.git --skill capybara-skill
Codeception Skill	PHP	E2E	npx skills add https://github.com/LambdaTest/agent-skills.git --skill codeception-skill
Gauge Skill	Java, Python, JS, Ruby, C#	BDD	npx skills add https://github.com/LambdaTest/agent-skills.git --skill gauge-skill
Geb Skill	Groovy	E2E	npx skills add https://github.com/LambdaTest/agent-skills.git --skill geb-skill
Laravel Dusk Skill	PHP	E2E	npx skills add https://github.com/LambdaTest/agent-skills.git --skill laravel-dusk-skill
Lettuce Skill	Python	BDD	npx skills add https://github.com/LambdaTest/agent-skills.git --skill lettuce-skill
Nemo.js Skill	JS	E2E	npx skills add https://github.com/LambdaTest/agent-skills.git --skill nemojs-skill
Protractor Skill	JS, TS	E2E	npx skills add https://github.com/LambdaTest/agent-skills.git --skill protractor-skill
Selenide Skill	Java	E2E	npx skills add https://github.com/LambdaTest/agent-skills.git --skill selenide-skill
Serenity BDD Skill	Java	BDD	npx skills add https://github.com/LambdaTest/agent-skills.git --skill serenity-bdd-skill
SmartUI Skill	JS, TS, Java	Visual	npx skills add https://github.com/LambdaTest/agent-skills.git --skill smartui-skill
SpecFlow Skill	C#	BDD	npx skills add https://github.com/LambdaTest/agent-skills.git --skill specflow-skill
Test::Unit Skill	Ruby	Unit	npx skills add https://github.com/LambdaTest/agent-skills.git --skill testunit-skill
unittest Skill	Python	Unit	npx skills add https://github.com/LambdaTest/agent-skills.git --skill unittest-skill
HyperExecute Skill	YAML	Cloud	npx skills add https://github.com/LambdaTest/agent-skills.git --skill hyperexecute-skill
CI/CD Pipeline Skill	YAML	DevOps	npx skills add https://github.com/LambdaTest/agent-skills.git --skill cicd-pipeline-skill

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Skill Architecture

Each skill follows the Agent Skills Standard with progressive disclosure:

selenium-skill/
├── SKILL.md                          # Core instructions (<500 lines)
│   └── Workflow + decision trees     # When/how to use the skill
└── reference/
    ├── playbook.md                   # Complete implementation guide
    │   ├── Project setup & dependencies
    │   ├── Code patterns & page objects
    │   ├── Cloud integration (LambdaTest)
    │   ├── CI/CD configuration
    │   ├── Debugging table (12+ common problems)
    │   └── Best practices checklist (14+ items)
    ├── advanced-patterns.md          # Advanced topics
    └── cloud-integration.md          # Cloud-specific patterns

How it works:

1. Metadata (name + description) is always loaded — ~100 tokens per skill
2. SKILL.md body loads when triggered — core workflow and patterns
3. Reference files load on-demand — detailed code, debugging, CI/CD

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Cloud Testing with TestMu AI

Skills that support browser/device testing include TestMu AI cloud integration out of the box.

Get Your TestMu AI Credentials

Make sure you have your TestMu AI credentials with you to run test automation scripts on TestMu AI Selenium Grid. You can obtain these credentials from the TestMu AI Automation Dashboard or through TestMu AI Profile.

Set TestMu AI USERNAME and ACCESS_KEY in environment variables.

• Copy .env.example to .env and fill in your credentials.

or add credentials directly from your terminal:

For Linux/macOS:

export LT_USERNAME="YOUR_USERNAME"
export LT_ACCESS_KEY="YOUR_ACCESS_KEY"

For Windows:

set LT_USERNAME="YOUR_USERNAME"
set LT_ACCESS_KEY="YOUR_ACCESS_KEY"

Run Tests on the Cloud

Then ask your AI assistant naturally:

"Run my Selenium tests on Chrome, Firefox, and Safari on TestMu AI with OS versions Windows 11, macOS Sonoma, and Ubuntu 22.04"

"Execute Playwright tests across 5 browsers in parallel on TestMu AI, tag the build as 'release-1.8.2', and capture traces on failure"

"Set up Cypress on TestMu AI with video recording and JUnit reports, and upload artifacts to the dashboard"

"Test my localhost app through the TestMu AI tunnel (http://localhost:3000) using Playwright and validate login + checkout flows"

"Run mobile web tests on real devices via TestMu AI tunnel and verify the responsive layout on iPhone 15 and Pixel 8"

View your test results, logs, and video recordings on the TestMu AI Automation Dashboard.

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What Each Skill Includes

Every playbook follows a consistent structure:

Section	What It Covers
Project Setup	Dependencies, versions, config files, project structure
Core Patterns	Essential code patterns with complete, runnable examples
Page Objects / Utilities	Reusable abstractions for real-world projects
Cloud Integration	TestMu AI RemoteWebDriver/capabilities configuration
CI/CD Integration	GitHub Actions workflow with reports and parallel execution
Debugging Table	12+ common problems with cause → fix mappings
Best Practices	14+ actionable items for production code

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Repository Structure

agent-skills/
├── README.md                  # This file
├── LICENSE                    # MIT License
├── CONTRIBUTING.md            # How to contribute
├── skills_index.json          # Machine-readable skill registry
├── scripts/
│   └── validate_skills.py     # Validation script
├── shared/
│   ├── testmu-cloud-reference.md
│   └── scripts/
├── evals/                     # Evaluation test cases per skill
│   └── *-evals.json
└── <skill-name>/              # 46 skill directories
    ├── SKILL.md
    └── reference/
        ├── playbook.md
        └── advanced-patterns.md

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Validation

python3 scripts/validate_skills.py

Checks: YAML frontmatter, line counts, reference files, cross-references.

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How to Contribute

See CONTRIBUTING.md for details.

1. Fork the repository
2. Create your skill directory with SKILL.md and reference/playbook.md
3. Run python3 scripts/validate_skills.py
4. Submit a Pull Request

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Credits

• TestMu AI — Power Your Software Testing with AI Agents and Cloud
• Anthropic — Agent Skills standard and Claude Code
• Agent Skills Standard — Open standard for portable AI skills

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License

MIT License. See LICENSE for details.