Claude Skills by NVlabs

Produces mock server definitions, sandbox environment specs, API stub configurations, and fixture data for any API. Use whenever the user asks about mocking an API, creating a sandbox, "fake server", WireMock stubs, Prism mocks, MSW (Mock Service Worker), "test fixtures", "stub the API", "mock this endpoint", "generate test data", or "create a sandbox environment for my API". Triggers on: "mock server", "API sandbox", "stub responses", "fixture data", "test doubles", "contract-based mocking",...

Designs rate limiting strategies, quota systems, throttling policies, retry logic, and backoff patterns for APIs. Use whenever the user asks about rate limiting, throttling, quotas, "too many requests", 429 responses, "how do I limit my API", "retry strategy", "exponential backoff", "burst vs sustained rate", "per-user limits", tiered API plans, or concurrency limits. Also triggers on: token bucket, leaky bucket, sliding window, "API plan limits", "free vs paid tier", or "circuit breaker". Me...

Generates client SDK code, API wrapper libraries, request/response models, and language-specific usage patterns for any REST API. Use whenever the user asks to "generate an SDK", "write a client library", "create API wrappers", "generate TypeScript types from my API", "write a Python client for", "create request/response classes", or wants reusable code to call an API from any programming language. Triggers on: "client library", "API wrapper", "generate models", "DTO classes", "API client in ...

Designs and documents authentication, authorization, and security patterns for any API. Use whenever the user asks about OAuth 2.0, JWT, API keys, RBAC, ABAC, rate limiting for security, CORS, HTTPS enforcement, input validation, OWASP API security, token refresh flows, multi-tenancy isolation, or any question starting with "how do I secure my API", "what auth should I use", "implement OAuth for", "design permissions for", or "API security checklist". Triggers on any mention of: JWT, OAuth, A...

Advises on API versioning strategies, designs deprecation flows, generates migration guides, and handles breaking vs non-breaking change classification. Use whenever the user asks about API versioning, "how to version my API", "URI vs header versioning", "breaking changes", "backward compatibility", "API deprecation", "sunset a version", "migrate from v1 to v2", or "semver for APIs". Triggers on any question about: API evolution, adding/removing fields, changing response formats, renaming end...

Designs GraphQL schemas, resolvers, query/mutation/subscription patterns, and protobuf definitions for gRPC services. Use whenever the user asks about GraphQL, "design a GraphQL schema", "write mutations for", "GraphQL subscriptions", "DataLoader pattern", "gRPC service", "protobuf definition", "proto file", "service definition", or "when should I use GraphQL vs REST vs gRPC". Triggers on any mention of: schema definition language, SDL, resolvers, N+1 problem, federation, stitching, proto3, s...

Analyze Newman test run output, JSON reports, and JUnit XML results to summarize failures, diagnose root causes, identify slow requests, and suggest fixes. Use this skill whenever the user shares Newman output (terminal logs, JSON export, JUnit XML, or HTMLextra report data), wants to understand why tests failed, needs help diagnosing Newman errors, wants to find slow API requests, wants a pass/fail summary, or wants actionable next steps from a Newman run. Trigger on: "Newman output", "Newma...

Generate complete, production-ready OpenAPI 3.x and Swagger 2.0 specifications from natural language descriptions, code, or partial specs. Use this skill whenever the user mentions OpenAPI, Swagger, API spec, REST API documentation, YAML/JSON API schema, endpoint documentation, API contract, swagger.yaml, openapi.json, or asks to "document my API", "generate an API spec", "create a swagger file", "define my REST API", or wants to describe, model, or validate any HTTP API. Also triggers when t...

Generate complete, import-ready Postman Collection v2.1 JSON files from natural language API descriptions or cURL commands. Use this skill whenever the user describes an API in plain English ("I have a REST API with these endpoints..."), pastes cURL commands, or asks to "create a Postman collection", "build a collection", "turn this into Postman", or "generate requests for my API". Also triggers when users describe authentication flows, CRUD operations, or request/response examples and want t...

Convert OpenAPI 3.x or Swagger 2.0 specs (YAML or JSON) into complete, import-ready Postman Collection v2.1 JSON files. Use this skill whenever the user provides or references an OpenAPI spec, Swagger file, openapi.yaml, swagger.json, or uses phrases like "convert my OpenAPI spec", "import swagger to Postman", "turn this spec into a collection", or "generate Postman requests from my API spec". Also triggers when the user pastes YAML or JSON that begins with `openapi:`, `swagger:`, or contains...

Write Postman test scripts (JavaScript) for pre-request logic and post-response assertions, and embed them directly into a Postman collection. Use this skill whenever the user wants to add tests to Postman requests, asks about "pm.test", "pm.expect", "Postman assertions", "test scripts", "chaining requests", "dynamic variables", "pre-request scripts", or "validating API responses in Postman". Also triggers for: "write tests for my collection", "add assertions to these endpoints", "chain the a...

Generates production-grade Appium mobile automation scripts for Android and iOS in Java, Python, or JavaScript. Supports real device and emulator testing locally and on TestMu AI cloud with 100+ real devices. Use when the user asks to automate mobile apps, test on Android/iOS, write Appium tests, or mentions "Appium", "mobile testing", "real device", "app automation". Triggers on: "Appium", "mobile test", "Android test", "iOS test", "real device", "app automation", "UiAutomator", "XCUITest dr...

Generates Behat BDD tests for PHP with Gherkin feature files and MinkContext for browser testing. Use when user mentions "Behat", "PHP BDD", "Mink", "behat.yml". Triggers on: "Behat", "PHP BDD", "Mink", "behat.yml", "FeatureContext PHP".

Generates Behave BDD tests for Python with Gherkin feature files and step implementations. Use when user mentions "Behave", "Python BDD", "Python Gherkin". Triggers on: "Behave", "Python BDD", "behave test", "Python feature file".

Generates Codeception tests in PHP covering acceptance, functional, and unit testing. BDD-style with Actor pattern. Use when user mentions "Codeception", "$I->amOnPage", "$I->see", "Cest". Triggers on: "Codeception", "$I->amOnPage", "AcceptanceTester", "Codeception PHP", "Cest".

Generates Detox E2E tests for React Native apps in JavaScript. Gray-box testing framework with automatic synchronization. Supports local simulators/emulators and TestMu AI cloud. Use when user mentions "Detox", "React Native test", "element(by.id())", "device.launchApp". Triggers on: "Detox", "React Native E2E", "React Native test", "element(by.id)", "device.launchApp".

Generates Espresso UI tests for Android apps in Kotlin or Java. Espresso runs inside the app process for fast, reliable UI testing. Supports local and TestMu AI cloud real devices. Use when user mentions "Espresso", "onView", "ViewMatchers", "Android UI test", or "instrumentation test". Triggers on: "Espresso", "onView", "ViewMatchers", "Android UI test", "instrumentation", "TestMu".

Generates Flutter widget tests, integration tests, and golden tests in Dart. Supports local execution and TestMu AI cloud for real device testing. Use when user mentions "Flutter", "widget test", "WidgetTester", "testWidgets", "flutter_test", "integration_test". Triggers on: "Flutter", "widget test", "Dart test", "testWidgets", "WidgetTester", "golden test".

Generates Gauge test specifications in Markdown with step implementations in Java, Python, JS, or Ruby. ThoughtWorks' test automation framework. Use when user mentions "Gauge", "spec file", "## Scenario", "step implementation". Triggers on: "Gauge", "Gauge spec", "Gauge framework", "ThoughtWorks test".

Operates HyperExecute end-to-end for TestMu AI/LambdaTest cloud test execution: analyze projects, create YAML, validate locally, run CLI jobs, debug failures, and wire CI. Use when the user mentions HyperExecute, hyperexecute.yaml, HyperExecute CLI, autosplit, matrix execution, LambdaTest grid, cloud test runs, CI test orchestration, or migrating Playwright/Cypress/Selenium/Pytest/WebdriverIO tests to HyperExecute.

Generates Jasmine tests in JavaScript. BDD-style framework with spies and async support. Use when user mentions "Jasmine", "jasmine.createSpy", "toHaveBeenCalled". Triggers on: "Jasmine", "jasmine test", "createSpy", "Jasmine spec".

Generates Jest unit and integration tests in JavaScript or TypeScript. Covers mocking, snapshots, async testing, and React component testing. Use when user mentions "Jest", "describe/it/expect", "jest.mock", "toMatchSnapshot". Triggers on: "Jest", "expect().toBe()", "jest.mock", "snapshot test", "JS test", "React test".

Generates production-grade JUnit 5 unit and integration tests in Java. Covers assertions, parameterized tests, lifecycle hooks, mocking with Mockito, and nested tests. Use when user mentions "JUnit", "JUnit 5", "@Test", "assertEquals", "Assertions", "Java unit test". Triggers on: "JUnit", "@Test", "assertEquals", "Java test", "unit test Java".

Generates Karma test runner configurations for browser-based JavaScript testing. Works with Jasmine, Mocha, or QUnit. Use when user mentions "Karma", "karma.conf.js", "browser test runner". Triggers on: "Karma", "karma.conf", "karma test runner", "browser-based JS test".

Generates Laravel Dusk browser tests in PHP. Chrome-based E2E testing for Laravel apps. Use when user mentions "Dusk", "Laravel Dusk", "$browser->visit", "DuskTestCase". Triggers on: "Laravel Dusk", "Dusk test", "$browser->visit", "DuskTestCase".

Generates Lettuce BDD tests for Python with feature files and step definitions. Note: Lettuce is legacy/unmaintained; consider Behave for new projects. Use when user specifically mentions "Lettuce". Triggers on: "Lettuce", "lettuce test", "lettuce BDD".

Generates Mocha tests in JavaScript with Chai assertions and Sinon mocking. Use when user mentions "Mocha", "Chai", "sinon", "describe/it (not Jest)". Triggers on: "Mocha", "Chai", "sinon", "mocha test".

Generates MSTest tests in C#. Microsoft's built-in testing framework for .NET. Use when user mentions "MSTest", "[TestMethod]", "[TestClass]", "Assert.AreEqual". Triggers on: "MSTest", "[TestMethod]", "[TestClass]", "Microsoft test framework".

Generates NightwatchJS E2E tests in JavaScript. Integrated test runner with Selenium WebDriver, built-in assertions, and page objects. Use when user mentions "Nightwatch", "NightwatchJS", "nightwatch.conf.js". Triggers on: "Nightwatch", "NightwatchJS", "nightwatch test".

Generates NUnit 3 tests in C#. Covers Assert.That constraint model, parameterized tests, setup/teardown, and Moq mocking. Use when user mentions "NUnit", "[TestFixture]", "[Test]", "Assert.That", "C# unit test". Triggers on: "NUnit", "[Test]", "Assert.That", "C# test", "NUnit3".

Generates PHPUnit tests in PHP. Covers assertions, data providers, mocking, and test doubles. Use when user mentions "PHPUnit", "TestCase", "assertEquals", "PHP test". Triggers on: "PHPUnit", "TestCase PHP", "assertEquals PHP", "PHP unit test".

Generates production-grade Playwright automation scripts and E2E tests in TypeScript, JavaScript, Python, Java, or C#. Supports local execution and TestMu AI cloud across 3000+ browser/OS combinations and real mobile devices. Use when the user asks to write Playwright tests, automate browsers, run cross-browser tests, test on real devices, debug flaky tests, mock APIs, or do visual regression. Triggers on: "Playwright", "E2E test", "browser test", "run on cloud", "cross-browser", "TestMu", "L...

Generates Protractor E2E tests for Angular/AngularJS apps in JS/TS. NOTE: Protractor is officially deprecated — recommend Playwright or Cypress. Use when user mentions "Protractor", "element(by.model())", "Angular E2E". Triggers on: "Protractor", "element(by.model)", "Angular E2E test", "protractor.conf".

Generates Puppeteer scripts for browser automation, scraping, and PDF generation. Triggers on: "Puppeteer", "headless Chrome", "page.goto", "scrape", "PDF generation".

Generates production-grade pytest tests in Python with fixtures, parametrize, markers, mocking, and conftest patterns. Use when user mentions "pytest", "conftest", "@pytest.fixture", "@pytest.mark", "Python test". Triggers on: "pytest", "conftest", "Python test", "parametrize", "Python unit test".

Generates production-grade Reqnroll BDD automation scripts for web (Selenium 3/4) and mobile (Appium 2) testing in C#. Supports parallel NUnit execution locally and on TestMu AI cloud. Use when the user asks to write BDD tests, automate with Reqnroll, create .feature files, write Gherkin scenarios, write step definitions, migrate from SpecFlow, or test on browsers/Android/iOS. Triggers on: "Reqnroll", "BDD", "Gherkin", ".feature file", "step definition", "SpecFlow migration", "Selenium C#", "...

Generates Robot Framework tests in keyword-driven syntax with Python. Supports SeleniumLibrary, RequestsLibrary, and custom keywords. Use when user mentions "Robot Framework", "*** Test Cases ***", "SeleniumLibrary", ".robot file". Triggers on: "Robot Framework", "*** Test Cases ***", ".robot", "SeleniumLibrary", "keyword-driven test".

Generates RSpec tests in Ruby with describe/context/it blocks, matchers, let/before hooks, and mocking. Use when user mentions "RSpec", "describe do", "expect().to", "Ruby test". Triggers on: "RSpec", "expect().to eq()", "describe do", "Ruby test", "spec file".

Generates production-grade Selenium WebDriver automation scripts and tests in Java, Python, JavaScript, C#, Ruby, or PHP. Supports local execution and TestMu AI cloud with 3000+ browser/OS combinations. Use when the user asks to write Selenium tests, automate with WebDriver, run cross-browser tests on Selenium Grid, or mentions "Selenium", "WebDriver", "RemoteWebDriver", "ChromeDriver", "GeckoDriver". Triggers on: "Selenium", "WebDriver", "browser automation", "Selenium Grid", "cross-browser"...

Generates Serenity BDD tests in Java with Screenplay pattern, rich reporting, and Cucumber integration. Use when user mentions "Serenity", "Screenplay", "@Steps", "Serenity BDD". Triggers on: "Serenity BDD", "Screenplay pattern", "@Steps", "Serenity report".

Generates SpecFlow BDD tests for C#/.NET with Gherkin feature files and step bindings. Use when user mentions "SpecFlow", "C# BDD", ".NET Gherkin", "[Binding]", "[Given]/[When]/[Then]". Triggers on: "SpecFlow", "C# BDD", ".NET BDD", "step bindings", "[Binding]".

Migrates and converts test automation scripts between Selenium, Playwright, Puppeteer, and Cypress. Use when the user asks to migrate, convert, or port tests from one framework to another; rewrite tests in a different framework; or switch from Selenium to Playwright, Playwright to Selenium, Puppeteer to Playwright, Cypress to Playwright, or vice versa. Triggers on: "migrate", "convert", "port", "selenium to playwright", "playwright to selenium", "puppeteer to playwright", "cypress to playwrig...

Generates TestCafe automation tests in JavaScript or TypeScript. Supports local and TestMu AI cloud. Triggers on: "TestCafe", "test cafe", "fixture/test".

Generates TestNG tests in Java with groups, data providers, parallel execution, XML suite configuration, and listeners. Use when user mentions "TestNG", "@DataProvider", "testng.xml", "groups". Triggers on: "TestNG", "@DataProvider", "testng.xml", "TestNG suite", "parallel tests Java".

Generates Test::Unit tests in Ruby. Classic xUnit-style testing with assert methods and test case classes. Use when user mentions "Test::Unit", "assert_equal Ruby", "Ruby test-unit". Triggers on: "Test::Unit", "Ruby test-unit", "assert_equal Ruby" (not RSpec).

Generates Python unittest tests. Built-in testing framework with TestCase, setUp/tearDown, and assertion methods. Use when user mentions "unittest", "TestCase", "self.assertEqual", "Python unittest". Triggers on: "unittest", "TestCase", "self.assertEqual", "Python unittest" (not pytest).

Generates Vitest tests in JavaScript/TypeScript with Vite-native speed. Jest-compatible API with ESM support and HMR. Use when user mentions "Vitest", "vi.mock", "vitest.config". Triggers on: "Vitest", "vi.mock", "vi.fn", "Vite test", "vitest config".

Generates WebdriverIO (WDIO) automation tests in JavaScript or TypeScript. Supports local and TestMu AI cloud. Use when user mentions "WebdriverIO", "WDIO", "wdio.conf", "browser.url", "$", "$$". Triggers on: "WebdriverIO", "WDIO", "wdio", "browser.$".

Generates XCUITest UI tests for iOS/iPadOS apps in Swift. Apple's native testing framework for reliable, fast UI automation. Supports local simulators and TestMu AI cloud real devices. Use when user mentions "XCUITest", "XCTest", "iOS UI test", "Swift test", "XCUIApplication". Triggers on: "XCUITest", "XCTest UI", "iOS UI test", "Swift UI test", "XCUIApplication", "TestMu".

Generates xUnit.net tests in C#. Covers Fact/Theory, constructor injection, IClassFixture, and FluentAssertions. Use when user mentions "xUnit", "[Fact]", "[Theory]", "Assert.Equal", "C# xUnit". Triggers on: "xUnit", "[Fact]", "[Theory]", "Assert.Equal C#", "xUnit.net".