One Skill To Rule Them All for Codex
The meta-skill that builds and improves all your skills, including itself. Watches your work sessions (autonomous or human-led), captures patterns, corrections and judgement calls, and turns them into skill improvements and new skill candidates for your review. Practical application of the Augmented Expertise methodology. Open source: CC BY 4.0.
How to install One Skill To Rule Them All in Codex
In Codex, ask the built-in skill installer for it:
$skill-installer install https://github.com/rebelytics/one-skill-to-rule-them-allType this in Codex: $skill-installer is the skill installer built into Codex, and it downloads the skill from GitHub. Restart Codex if the skill doesn't show up. Check the repo README for any setup the skill needs. Source: Codex skills docs.
Or copy the skill folder (the one with SKILL.md) into ~/.agents/skills to use it in every project, or into .agents/skills in a repo to share it with that repo. Codex picks up new skills automatically. (where Codex loads skills)
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What it contains
Skills (1)
task-observer— Monitors task execution for skill improvement opportunities: logs patterns, user corrections and methodology worth preserving to the workspace, turns them into skill updates in a weekly review, and flags repeating work as new skills. Use during ANY…
About this listing
One Skill To Rule Them All is a community collection of agent skills on GitHub by rebelytics: folders with a SKILL.md file, the format Codex loads skills from. Its README mentions Codex. It passed the CodexStacks quality filter for skills (at least 100 stars, pushed in the last 90 days, not a fork or a list, and at least one SKILL.md with a name and description). OpenAI hasn't reviewed it, but it passed our Codex install check on Oct 29, 2026 (an install and load check, not a code review). From its files we found 1 skill. It's one of 441 listings in the Developer Tools category (category assigned by CodexStacks from the repo's topics and description).
One Skill To Rule Them All FAQ
How do I install One Skill To Rule Them All in Codex?
In Codex, type $skill-installer install https://github.com/rebelytics/one-skill-to-rule-them-all. $skill-installer is the skill installer built into Codex (Codex skills docs). Or copy the skill folder (the one with SKILL.md) into ~/.agents/skills to use it in every project, or into .agents/skills in a repo to share it with that repo. Codex picks up new skills automatically.
Is One Skill To Rule Them All an official Codex skill?
No. One Skill To Rule Them All is a community repo on GitHub by rebelytics. It passed the CodexStacks quality filter, but OpenAI hasn't reviewed it, but it passed our Codex install check on Oct 29, 2026 (an install and load check, not a code review), so read the code before you install it.
What does One Skill To Rule Them All include?
From its manifest and repo files, One Skill To Rule Them All includes 1 skill: task-observer.
Details
- Type
- Skill
- Category
- Developer Tools (assigned by us)
- Source
- Community
- Author
- rebelytics
- License
- CC-BY-4.0
- GitHub stars
- 3,623 (at last sync)
- Last push
- 2026-10-28
- GitHub topics
- ai-skills, augmented-expertise, awesome-skills, claude, claude-code, claude-code-skill, claude-code-skills, claude-cowork, claude-skills, meta-skill, rebelytics, skill-automation
- Source
- https://github.com/rebelytics/one-skill-to-rule-them-all
- Website
- https://www.rebelytics.com/task-observer/
- Listed via
- GitHub search: Codex skills (SKILL.md)
- Install check by CodexStacks
- Passed on Oct 29, 2026 with Codex CLI 0.163.0: Codex loaded its skills. proof · how we check
Something wrong or missing? Submit or improve this listing. Listings also refresh automatically every night.
For maintainers: badge and embeds
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Markdown
[](https://codexstacks.com/p/one-skill-to-rule-them-all/)HTML
<a href="https://codexstacks.com/p/one-skill-to-rule-them-all/"><img src="https://codexstacks.com/badge.svg" alt="Listed on CodexStacks" width="172" height="28"></a>Embed card (static HTML and inline CSS, no JavaScript). Preview:
<a href="https://codexstacks.com/p/one-skill-to-rule-them-all/" style="display:block;max-width:380px;box-sizing:border-box;padding:14px 16px;border:1px solid #3a2c26;border-radius:12px;background:#0d0b0a;color:#f3ece6;font:14px/1.45 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;text-decoration:none"><span style="display:block;font-size:16px;font-weight:700;color:#f3ece6">One Skill To Rule Them All</span><span style="display:block;margin:2px 0 8px;font-size:12px;color:#b5a9a1">Community Codex skill · 1 skill</span><span style="display:block;margin:0 0 10px;color:#ddd3cc">The meta-skill that builds and improves all your skills, including itself. Watches your work sessions (autonomous or…</span><span style="font-size:12px;font-weight:600;color:#ffb347">View on CodexStacks →</span></a>Markdown summary
**[One Skill To Rule Them All on CodexStacks](https://codexstacks.com/p/one-skill-to-rule-them-all/)**: Community Codex skill with 1 skill.More on badges, embeds and keeping your listing up to date: CodexStacks for plugin authors.
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