omc-setup

Installation
SKILL.md

OMC Setup

This is the only command you need to learn. After running this, everything else is automatic.

Note: All ~/.codex/... paths in this guide respect CODEX_CONFIG_DIR when that environment variable is set.

Pre-Setup Check: Already Configured?

CRITICAL: Before doing anything else, check if setup has already been completed. This prevents users from having to re-run the full setup wizard after every update.

# Check if setup was already completed
CONFIG_FILE="$HOME/.codex/.omc-config.json"

if [ -f "$CONFIG_FILE" ]; then
  SETUP_COMPLETED=$(jq -r '.setupCompleted // empty' "$CONFIG_FILE" 2>/dev/null)
  SETUP_VERSION=$(jq -r '.setupVersion // empty' "$CONFIG_FILE" 2>/dev/null)
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Jun 22, 2026
omc-setup — sigridjineth/oh-my-codex