Skill Claude CodeCodex
A framework-independent guide to building accessible websites, including semantic HTML, ARIA, keyboard controls, forms, colour contrast, dynamic content, and testing. WCAG 2.1 is a widely used set of web accessibility guidelines.
Skill Claude CodeCodex
A framework-independent guide to designing and implementing APIs using domain-driven design and clean architecture. It covers layers, domain objects, repositories, use cases, data-transfer objects, endpoints, errors, and request or response payloads.
Skill Claude CodeCodex
A framework-independent guide to authentication and authorization design. Authentication verifies who someone is; authorization controls what they are allowed to do.
Skill Claude CodeCodex
A coordinating guide for backend development, including choosing a language or framework, assigning work to specialist guides, and reviewing code. Backend development covers the server-side parts of an application, such as APIs and data handling.
Skill Claude CodeCodex
A guide for building CI/CD workflows with GitHub Actions, GitHub's automation service. CI checks code such as tests and builds; CD delivers it to environments such as staging or production.
Skill Claude CodeCodex
A guide for using OpenAI Codex CLI, a command-line AI coding assistant, as a second opinion during development.
Skill Claude CodeCodex
A skill for having Codex CLI workers carry out coding tasks while Claude Code coordinates the work.
Skill Claude CodeCodex
A guide to writing and reviewing CSS, the language that controls how web pages look and are laid out. It covers browser features such as container queries, :has(), nesting, and cascade layers, without requiring a particular framework.
Skill Claude CodeCodex
A tool-independent guide to designing database schemas for relational databases and object-relational mapping tools. It covers tables, data types, relationships, normalization, indexes, and migrations.
Skill Claude CodeCodex
A framework-independent guide to finding and fixing bugs in frontend and backend applications.
Skill Claude CodeCodex
Generate draw.io diagrams as .drawio files, optionally export to PNG/SVG/PDF with embedded XML.
Skill Claude CodeCodex
A guide to managing application environment settings, such as values that differ between development, testing, and production.
Skill Claude CodeCodex
A guide for building backend APIs with FastAPI, a Python web framework. It covers project structure, routes, validation, authentication, errors, asynchronous work, database access, settings, and logs.
Skill Claude CodeCodex
A skill that turns designs from Figma, a collaborative interface-design tool, into frontend code for websites and applications.
Skill Claude CodeCodex
A coordinating guide for frontend development, from gathering requirements to choosing a framework and reviewing code. It delegates implementation work to more specialised skills instead of writing the code itself.
Skill Claude CodeCodex
A skill for creating short Git commit messages in the Conventional Commits format, in Japanese or English. Conventional Commits is a standard way to label changes such as fixes and new features.
Skill Claude CodeCodex
A command that compresses natural-language memory files such as CLAUDE.md, todo lists, and settings into a shorter form while keeping their technical content, code, links, and structure.
Skill Claude CodeCodex
A guide for deciding when to delegate coding work to specialised helper agents: one for locating code, one for small edits, and one for reviewing changes.
Skill Claude CodeCodex
A quick reference for genshijin modes, skills, and commands. It is written in Japanese and only displays help without changing settings or saved state.
Skill Claude CodeCodex
A pull-request review format that gives one short comment for each code problem, including its location, the issue, and the suggested fix. A pull request is a proposed code change submitted for review before it is merged.
Skill Claude CodeCodex
A session statistics skill that reports actual token usage and estimated savings. It reads directly from Claude Code session logs rather than guessing.
Skill Claude CodeCodex
A communication mode that uses very short, simple wording to reduce token use while keeping technical meaning accurate.
Skill Claude CodeCodex
A guide to building backend APIs with Gin, a Go web framework. It covers project structure, routes, middleware, request binding, validation, responses, authentication, logging, dependency injection, and configuration.
Skill Claude CodeCodex
A guide to Git worktrees, which let one Git repository have several working directories at the same time.