# Luna

> Use Luna to watch, grade, or run bounded worker tasks. Use when the user invokes /luna or wants the Luna utility.

- Skill: `codejunkie99/luna` (Agent Skill)
- Install (CLI): `npx skillmds@latest add codejunkie99/luna`
- Raw SKILL.md: https://api.skillmd.com/api/skills/codejunkie99/luna/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: codejunkie99 (https://skillmd.com/u/codejunkie99)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/codejunkie99/luna

---


# Luna utility

Run the task on `gpt-5.6-luna` with the Codex CLI:

```bash
codex exec -m gpt-5.6-luna -s read-only --skip-git-repo-check --ephemeral -C . "<task>"
```

For grading a loop run, feed the current `prompt.md` plus `log.md` to Luna with
the watcher instructions from the self-improving loop. Luna never rewrites
prompts; it grades and emits GOAL, KEPT, WASTED, FAILED, NEXT.