# Using SkillMD Skills with OpenAI Codex > skillmd.com is an open registry of Agent Skills (SKILL.md files). Every listed skill passes a safety review before it is publicly visible. This guide covers OpenAI Codex. ## Where OpenAI Codex looks for skills - Project scope: ./.codex/skills//SKILL.md - Global scope: ~/.codex/skills//SKILL.md ## Install a skill (CLI) npm i -g skillmds skillmd add / -a codex # project scope skillmd add / -a codex -g # global scope ## Install a skill (manual) Copy the SKILL.md from https://skillmd.com/skills// into .codex/skills//SKILL.md. ## Find skills - https://skillmd.com/search?q= - JSON API: https://api.skillmd.com/v1/search?q= - Human guide: https://skillmd.com/agents/codex - All agent guides: https://skillmd.com/agents.txt