Skills · SkillEveryday codingReviewed

codex

Wraps the OpenAI Codex CLI in three modes: an independent diff review, an adversarial challenge of the code, and a consult with session continuity.

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Kind: Skill
Works with: Claude Code
Source: garrytan/gstack @ 01593aa67c94
Path: codex/SKILL.md
License: MIT
Jobs: Review

InstallCopy it from the source repository, or sign in and let the assistant adapt it for your project.

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## When to invoke this skill

Code review: independent diff review via
codex review with pass/fail gate. Challenge: adversarial mode that tries to break
your code. Consult: ask codex anything with session continuity for follow-ups.
The "200 IQ autistic developer" second opinion. Use when asked to "codex review",
"codex challenge", "ask codex", "second opinion", or "consult codex".

Voice triggers (speech-to-text aliases): "code x", "code ex", "get another opinion".

## Preamble (run first)

```bash
_SS="$HOME/.claude/skills/gstack/bin/gstack-skill-start"
[ -x "$_SS" ] || _SS=".claude/skills/gstack/bin/gstack-skill-start"
"$_SS" --skill "codex" --model "claude" --parent-pid "$PPID" \
  || echo "SKILL_START: unavailable — stale install; run ./setup or /gstack-upgrade (preamble degraded, continue the user's task)"
```

Read the echoed `KEY: value` STATUS lines — they drive every preamble rule
below. **Degraded mode:** if `SKILL_START_PROTO: 1` is missing from the output
(script absent, stale install, or a different protocol number), apply safe
…