Feature Sliced Design is an agent skill from feature-sliced/skills. Official Feature-Sliced Design (FSD) v2.1 skill for applying the methodology to frontend projects. Use when the task involves organizing project structure with FSD layers, deciding where code belongs, placing static assets (images, icons, fonts, PDFs), grouping closely related slices, defining public APIs and import boundaries, resolving cross-imports or evaluating the @x pattern, deciding whether to create or remove an entity, evaluating whether the entities layer is needed at all, deciding where page layouts…
Its SKILL.md is about 5.5k tokens, which your agent loads only when the skill is triggered. The skill folder holds 13 other files, including reference files (for example `evals/README.md`, `evals/evals.json` and `references/asset-handling.md`).
It sits in Frontend & Design, covering State management and Static sites and blogs. It works with TanStack, Vite, Astro and Next.js. The repository describes itself as: AI agent skills for applying Feature-Sliced Design (FSD) v2.1 in frontend projects.