comment-checker
Use when Codex needs to understand or respond to automatic comment-checker feedback emitted after an edit-like PostToolUse hook.
@code-yeongyuInstall SkillDevelopment
Skill
/rules
Use when the user asks about Codex Rules behavior, injected project rules, supported rule file locations, matching, or environment configuration.
Claude Code
$ npx -y skills add code-yeongyu/oh-my-openagent --skill rules --agent claude-code
Codex
$ npx skills add code-yeongyu/oh-my-openagent --skill rules -a codex -y
Cursor
$ npx skills add code-yeongyu/oh-my-openagent --skill rules -a cursor -y
Gemini CLI
$ npx skills add code-yeongyu/oh-my-openagent --skill rules -a gemini-cli -y
GitHub Copilot
$ npx skills add code-yeongyu/oh-my-openagent --skill rules -a github-copilot -y
OpenCode
$ npx skills add code-yeongyu/oh-my-openagent --skill rules -a opencode -y
Windsurf
$ npx skills add code-yeongyu/oh-my-openagent --skill rules -a windsurf -y
SKILL.md
rules.SKILL.mdname: rules description: Use when the user asks about Codex Rules behavior, injected project rules, supported rule file locations, matching, or environment configuration.
Codex Rules
Codex Rules is automatic once the plugin is enabled. It injects:
- static project instructions on `SessionStart` and `UserPromptSubmit`
- matching file-specific rules after Codex `apply_patch` by default
Dynamic `PostToolUse` output is injected as additional context and is deduplicated per plugin data session. Codex Rules does not rewrite tool output.
Supported project sources:
- `CONTEXT.md`
- `.omo/rules/**/*.md`
- `.claude/rules/**/*.md`
- `.cursor/rules/**/*.md`
- `.github/instructions/**/*.md`
- `.github/copilot-instructions.md`
Supported environment knobs:
- `CODEX_RULES_DISABLED=1`
- `CODEX_RULES_MODE=both|static|dynamic|off`
- `CODEX_RULES_MAX_RULE_CHARS=<number>`
- `CODEX_RULES_MAX_RESULT_CHARS=<number>`
- `CODEX_RULES_ENABLED_SOURCES=CONTEXT.md,.omo/rules`
The legacy `PI_RULES_*` variables are accepted as fallbacks for users migrating from `pi-rules`.
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Questions about rules.
- Which coding agents can use rules?
- rules installs in Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot, OpenCode and Windsurf with the skills CLI, using each agent's flag shown on this page. Flowy's auto-invocation, which fires a skill when your prompt matches, runs in Claude Code only.