ClaudSkills / Engineering / engineering-misc

Codex Exec Automation

Q: What is a Claude Code skill and how does the Codex Exec Automation skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Codex Exec Automation is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Engineering · Sub-category: engineering-misc · Last updated: 2026-06-17

type:review type:integration

Use when preparing, running, debugging, or reviewing non-interactive Codex CLI automation with `codex exec`, `codex exec resume`, `codex review`, JSONL events, output schemas, last-message files, cwd/profile/config flags, sandbox and approval modes, or CI-style agent runs.

From the source SKILL.md

Bundled commands use $PLUGIN_ROOT ($env:PLUGIN_ROOT in PowerShell; same path suffix) for the plugin root. Set it once: use the host's plugin-root variable when defined (Claude Code: PLUGIN_ROOT="$CLAUDE_PLUGIN_ROOT"), otherwise the absolute path of this plugin's root directory.

What this skill does

Codex Exec Automation is a community-contributed Claude Code skill in the engineering-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/codex-exec-automation/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when preparing, running, debugging, or reviewing non-interactive Codex CLI automation with `codex exec`, `codex exec resume`, `codex review`, JSONL events, output schemas, last-message files, cwd/profile/config flags, sandbox and approval modes, or CI-style agent runs.

Who uses this skill

The Codex Exec Automation Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 118,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/codex-exec-automation
curl -L https://claudskills.com/skills/codex-exec-automation/SKILL.md \
  -o ~/.claude/skills/codex-exec-automation/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/codex-exec-automation/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/codex-exec-automation/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\codex-exec-automation\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Codex Exec Automation Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/codex-exec-automation/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Codex Exec Automation skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Codex Exec Automation skill?

Use Codex Exec Automation when your Claude Code task falls under the Engineering category — specifically in the engineering misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Codex Exec Automation" or describe the task and let Claude pick). Browse related skills at /category/engineering/.

What is a Claude Code skill and how does the Codex Exec Automation skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Codex Exec Automation is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/Xopoko/plug-n-skills/blob/HEAD/plugins/codex-cli/skills/codex-exec-automation/SKILL.md
License: MIT
Author: Xopoko

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

Xopoko. (2026). Codex Exec Automation [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/codex-exec-automation/

BibTeX

@misc{codex-exec-automation-2026,
  author    = {Xopoko},
  title     = {Codex Exec Automation [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/codex-exec-automation/}
}

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