Create banners using AI image generation. Discuss format/style, generate variations, iterate with user feedback, crop to target ratio. Use when user wants to create a banner, header, hero image, cover image, GitHub banner, Twitter header, or readme banner.
Install
npx skills add ReScienceLab/opc-skills --skill banner-creatornpx skills add ReScienceLab/opc-skills --skill banner-creator -a claude-code -gnpx skills add ReScienceLab/opc-skills --skill banner-creator -a codex -ggemini skills install https://github.com/ReScienceLab/opc-skills.git --path skills/banner-creatorgh skill install ReScienceLab/opc-skills banner-creatorgit clone --depth 1 https://github.com/ReScienceLab/opc-skills /tmp/ReScienceLab__opc-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/ReScienceLab__opc-skills/skills/banner-creator ~/.claude/skills/banner-creator # Claude Code
cp -R /tmp/ReScienceLab__opc-skills/skills/banner-creator ~/.agents/skills/banner-creator # Codex, Cursor, Gemini CLI, Copilot, OpenCode