UX Consistency is an agent skill from getopenpost/openpost. OpenPost acceptance bar for frontend UI and copy changes. Load when changing frontend UI (components, pages, design tokens) or user-facing copy; run again as the final check before finishing.
Its SKILL.md is about 680 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Frontend & Design, covering Design tokens and Frontend development. The repository describes itself as: Create, adapt, schedule, and track social posts. Open-source, hosted or self-hosted. The licence is AGPL-3.0.