him0 Codex CLI
codex is the OpenAI Codex CLI agent.
Usage
Always run codex in read-only sandbox (-s read-only) to prevent unintended file writes.
codex exec --color never -s read-only '<prompt>'
Codex by him0 · 14457e1
npx skillmds@latest add him0/codex File contents
---name: codexdescription: Delegate tasks to OpenAI Codex CLI in read-only sandbox mode. Use when the user explicitly asks to use codex, or when you need a second opinion from another AI agent for coding, search, or general tasks.---# Codex CLI`codex` is the OpenAI Codex CLI agent.## UsageAlways run codex in read-only sandbox (`-s read-only`) to prevent unintended file writes.```bashcodex exec --color never -s read-only '<prompt>'```
him0/him0-claude-marketplace/tree/main/codex/skills/codex commit 14457e16bb
Frequently asked questions
Run npx skillmds@latest add him0/codex in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.
Delegate tasks to OpenAI Codex CLI in read-only sandbox mode. Use when the user explicitly asks to use codex, or when you need a second opinion from another AI agent for coding, search, or general tasks. It is listed under AI & ML on SkillMD.
This skill has not completed SkillMD's automated safety review yet. Independent scanners report: SkillSpector: CAUTION, Skill Scanner: PASS. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.
This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.
Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.
him0 (@him0) published this skill. Their other Agent Skills are listed on their SkillMD profile.