Your browser does not support video playback.0:39Hallmark — a design skill for interfacesAboutAn open-source design skill for UIs and landing pages. It works in Claude Code, Cursor, and Codex.ProductHallmarkCompanyHallmarkCategoryDesignPostedMay 19, 2026Duration0:39Views on X887,275snapshot Oct 22, 2026Author@nutlopeOriginalView on XTagsdesign · ui