imagegen Curated from OpenAI's skills repository. What it does Generate and edit images using OpenAI's Image API for project assets — UI mockups, icons, illustrations, social cards, and visual references. Source - Upstream: https://github.com/openai/skills - Category: How to use This catalogue entry advertises the skill in Open Design so the agent discovers it during planning. To run the full upstream workflow with its original assets, scripts, and references, install the upstream bundle into your active agent's skills directory: Then ask the agent to invoke this skill by name ( ) or with one…