Skill Claude CodeCodex
A guide for building and changing production-ready user interfaces. It covers components, layouts, responsive behavior, accessibility, interaction, state management, and visual consistency.
Skill Claude CodeCodex
A set of Git practices for saving, organizing, reviewing, and rolling back code changes. Git is a version-control system that records project history through commits and separates work through branches.
Skill Claude CodeCodex
An interactive process for turning an early idea into a clear, practical concept. It explores different directions, tests hidden assumptions, and produces a short plan covering the problem, recommended direction, first version, and exclusions.
Skill Claude CodeCodex
A way to build and deliver changes in small, complete slices. Each slice is implemented, tested, checked, and saved as a separate Git commit before the next slice begins.
Skill Claude CodeCodex
A measurement-led guide for finding and fixing application slowdowns. It covers both web pages and backend services, including Core Web Vitals, which are standard measures of how quickly and steadily a page loads and responds.
Skill Claude CodeCodex
A planning guide that turns a clear specification or requirement into small, ordered tasks with clear acceptance checks. It also maps dependencies so work can be done in a sensible order.
Skill Claude CodeCodex
A set of secure coding practices for software that handles user input, accounts, sensitive data, or outside services. It treats information from outside the application as potentially unsafe and requires checks at system boundaries.
Skill Claude CodeCodex
A production-release checklist and planning guide for putting software in front of users. It covers checks such as tests, security, performance, accessibility, infrastructure, documentation, monitoring, and rollback planning.
Skill Claude CodeCodex
A development method that writes a clear specification before any code. The specification records the goal, requirements, project layout, commands, and checks for deciding when the work is complete.
Skill Claude CodeCodex
A development method where you write a test that fails, add the smallest amount of code to pass it, and then clean up the code while keeping the test passing. Tests are checks that show whether code behaves as expected.
Skill Claude CodeCodex
A guide for finding and using agent skills, which are instructions for common software-development tasks. It maps work such as planning, coding, testing, debugging, reviewing, and releasing to the relevant skill.