Skill Claude CodeCodex
A planning guide for k6, a tool that sends controlled traffic to websites and APIs to measure performance. It covers traffic patterns, pass/fail limits, test scenarios, quick smoke checks, and metric analysis.
Skill Claude CodeCodex
A planning guide for Maestro, a tool that runs mobile UI tests on iOS and Android from YAML files. It uses the project's existing Maestro setup to describe user flows, reusable subflows, selectors, startup state, and test data.
Skill Claude CodeCodex
A testing guide for Mocha, a JavaScript testing framework for Node.js. It covers behavior-driven development (BDD), test-driven development (TDD), setup and cleanup hooks, asynchronous tests, assertions, and substitutes for real dependencies.
Skill Claude CodeCodex
A review guide for mutation testing, which makes small changes to code to check whether tests detect them. It examines mutations that tests kill, survive, time out, or do not cover.
Skill Claude CodeCodex
A testing and review method for finding N+1 database queries. An N+1 problem happens when code makes one query for a list and then an extra query for each item.
Skill Claude CodeCodex
A security-testing review guide based on the OWASP Top 10, a commonly used list of major web-application security risks.
Skill Claude CodeCodex
A Playwright skill for planning API tests with APIRequestContext, Playwright’s interface for sending HTTP requests in tests. It uses the project’s existing configuration and covers requests, authentication, schemas, errors, concurrency, and test evidence.
Skill Claude CodeCodex
Automate browser interactions, test web pages and work with Playwright tests.
Skill Claude CodeCodex
A Playwright guide for exploring web pages through user-like actions, checking expected results, and collecting evidence. Playwright is a tool for automating browsers.
Skill Claude CodeCodex
A review aid for Postman API testing. Postman is a tool for sending requests to web services, and an API is the interface software uses to communicate.
Skill Claude CodeCodex
A guide for planning low-risk, read-only checks of key user journeys in a live production system after a release. Smoke testing is a quick check that the main functions still work.
Skill Claude CodeCodex
A property-based testing guide that turns business rules and allowed inputs into tests using generated data, random seeds, result shrinking, and real counterexamples.
Skill Claude CodeCodex
A pytest skill for Python projects. pytest is a Python testing framework, and this skill works with the project’s existing fixtures, configuration, and test conventions.
Skill Claude CodeCodex
A testing skill for React components, hooks, and pages using React Testing Library’s user-focused approach. React Testing Library is a tool for checking what users can see and do, such as clicking, filling forms, and using accessible controls.
Skill Claude CodeCodex
A review guide for REST Assured tests in Java projects. REST Assured is a Java library for sending HTTP requests and checking API responses.
Skill Claude CodeCodex
A review guide for Java Selenium web tests, covering real browser drivers, page objects, test frameworks, browser grids, waits, and browser combinations.
Skill Claude CodeCodex
A planning and review aid for smoke tests, which are quick checks that a system's main functions work after deployment.
Skill Claude CodeCodex
A review guide for snapshot tests, which save an expected representation of a component, serialized value, or API response for later comparison.
Skill Claude CodeCodex
A guide for planning, writing, and reviewing Storybook stories. Storybook is a tool that shows UI components separately so their states and interactions can be tested.
Skill Claude CodeCodex
A review guide for SuperTest HTTP tests in Node.js applications. SuperTest sends requests to web frameworks such as Express, Koa, and Fastify without needing a separate browser.
Skill Claude CodeCodex
A review guide for test-driven development, or TDD. TDD means writing a failing test, making it pass, and then improving the code.
Skill Claude CodeCodex
A review method that compares the risk of code changes with the testing evidence available for them.
Skill Claude CodeCodex
A guide for reviewing the data used by tests, including factories, Builders, fixtures, database setup, random seeds, privacy protection, and cleanup.
Skill Claude CodeCodex
A review guide for TestCafe browser-based end-to-end tests, using the project's fixtures, selectors, roles, request hooks, waiting rules, and parallel settings.