skill-creator
Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Codex's capabilities with specialized knowledge, workflows, or tool integrations.
skill-installer
Install Codex skills into $CODEX_HOME/skills from a curated list or a GitHub repo path. Use when a user asks to list installable skills, install a curated skill, or install a skill from another repo (including private repos).
cloudflare
For CloudFlare development, deployment, e.g. Python CloudFlare Workers
code
ALWAYS follow this style when writing Python / JavaScript code
demos
Use when creating demos or POCs
design
ALWAYS follow this design guide for any front-end work
devtools
Use CDP at localhost:9222 to test/debug websites, automate browser tasks
llm
Call LLM via CLI for transcription, vision, speech/image generation, piping prompts, sub-agents, ...
npm-packages
Conventions for package.json, README.md, coding & testing styles
How to read, manipulate, and generate PDFs using CLI tools and Python libraries.
plan
How to plan & break down large, complex tasks
vitest-dom
Use vitest + jsdom for fast, lightweight unit tests for front-end apps