Overview
rules is an open-source workflow skill for Codex, published by code-yeongyu. Its author describes it as: “Use when the user asks about Codex Rules behavior, injected project rules, supported rule file locations, matching, or environment configuration.”. The project has 69k stars on GitHub and ships custom license terms, so review them before reuse. Add it to your setup with `git clone https://github.com/code-yeongyu/oh-my-openagent ~/.claude/skills/rules`.
What rules does
Codex Rules is automatic once the plugin is enabled. It injects:
Installation
Add rules to your agent with:
git clone https://github.com/code-yeongyu/oh-my-openagent ~/.claude/skills/rulesReview a skill’s source before installing it — skills can instruct your agent to run commands. This command comes from the skill’s public repository, which is the source of truth for setup steps. New to skills? Read how to install Claude Code skills.
Supported agents
- Codex — named in the skill.md
- Cursor — declared in the repository topics
- OpenCode — declared in the repository topics
License
code-yeongyu has not declared a standard open-source license for this repository (Other). Confirm the terms with the author before reusing it.
Strengths
- Ships in code-yeongyu/oh-my-openagent, an established project with 69,248 GitHub stars
- Works with Codex, Cursor, OpenCode
- Actively maintained — repository updated in the last 30 days
- Its repository gained 2,357 GitHub stars over the last 52 days
Things to check
- No license declared — confirm terms with the author before reuse
Author
Topics
Alternatives to rules
Similar skills from other repositories:
Frequently asked questions
- What does rules do?
- Use when the user asks about Codex Rules behavior, injected project rules, supported rule file locations, matching, or environment configuration.
- How do I install rules?
- Run git clone https://github.com/code-yeongyu/oh-my-openagent ~/.claude/skills/rules in your agent, then reload your skills. Review the source at https://github.com/code-yeongyu/oh-my-openagent before installing.
- Is rules free to use?
- rules is publicly available on GitHub, but code-yeongyu has not declared a standard open-source license (Other). Confirm the terms with the author before reusing it.
- Which agents does rules work with?
- rules lists Codex, Cursor, and OpenCode — named in its SKILL.md, its plugin marketplace or its repository topics. Skills use the portable SKILL.md format, so other agents that read that format may load it too.
- Where does rules come from?
- rules ships inside code-yeongyu/oh-my-openagent, a repository that contains 49 catalogued skills in total. The repository's 69,248 GitHub stars apply to that whole collection, not to this skill on its own.