GPT Image Generator (Codex Backend)

Generates images using your existing ChatGPT subscription through the Codex backend API. No separate OpenAI API key needed — uses OpenCode OAuth credentials.

Setup

Ensure OpenCode is authenticated:

# Auth is stored at ~/.local/share/opencode/auth.json
# Or set OPENCODE_AUTH_CONTENT env var

Usage

# Basic generation
node scripts/gpt-imagegen.mjs "a 2D fantasy map, inked line art" --out ./assets/map.png