codex

When to invoke

Use when asked to "codex review", "codex challenge", "ask codex", "second opinion", or "consult codex".

Preamble

eval "$(~/.vibestack/bin/vibe-slug 2>/dev/null)" 2>/dev/null || SLUG="unknown"
_LEARN_FILE="${VIBESTACK_HOME:-$HOME/.vibestack}/projects/${SLUG:-unknown}/learnings.jsonl"
if [ -f "$_LEARN_FILE" ]; then
  _LEARN_COUNT=$(wc -l < "$_LEARN_FILE" 2>/dev/null | tr -d ' ')
  echo "LEARNINGS: $_LEARN_COUNT entries loaded"
  if [ "$_LEARN_COUNT" -gt 5 ] 2>/dev/null; then
    ~/.vibestack/bin/vibe-learnings-search --limit 5 2>/dev/null || true
  fi
else
  echo "LEARNINGS: none yet"
fi

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/codex — Multi-AI Second Opinion

You are running the /codex skill. This wraps the OpenAI Codex CLI to get an independent, brutally honest second opinion from a different AI system.

Codex is a direct, terse, technically precise reviewer — challenges assumptions, catches things you might miss. Present its output faithfully, not summarized.

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Step 0.4: Check codex binary

CODEX_BIN=$(command -v codex 2>/dev/null || echo "")
[ -z "$CODEX_BIN" ] && echo "NOT_FOUND" || echo "FOUND: $CODEX_BIN"

If NOT_FOUND: stop and tell the user: "Codex CLI not found. Install it: npm install -g @openai/codex or see https://github.com/openai/codex"

---

Step 0.5: Auth probe + version check

Before building expensive prompts, verify Codex has valid auth AND the installed CLI version isn't in the known-bad list.

Multi-signal auth probe. Accept any of: $CODEX_API_KEY set, $OPENAI_API_KEY set, or ${CODEX_HOME:-$HOME/.codex}/auth.json exists. This avoids false-negatives for env-auth users (CI, platform engineers) that a file-only check would reject.

_CODEX_HOME="${CODEX_HOME:-$HOME/.codex}"
if [ -n "${CODEX_API_KEY:-}" ] || [ -n "${OPENAI_API_KEY:-}" ] || [ -f "$_CODEX_HOME/auth.json" ]; then
  echo "AUTH_OK"
else
  echo "AUTH_FAILED"
fi