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:

• AGENTS.md
• CLAUDE.md
• CONTEXT.md
• .sisyphus/rules/**/*.md
• .claude/rules/**/*.md
• .cursor/rules/**/*.md
• .github/instructions/**/*.md
• .github/copilot-instructions.md