Design vs Docs & Writing · both proven

tailwind-design-system vs writing-plans

Both skills were run through Claude twice: once on a fixed brief without the skill, once with it. The briefs differ because each is written for the job the skill claims to do, so compare each skill against its own baseline, then decide which difference matters for your work. They are in different categories, so this is a choice of job, not a head-to-head on the same job.

tailwind-design-system

Build scalable design systems with Tailwind CSS v4, design tokens, component libraries, and responsive patterns. Use when creating component libraries, implementing design systems, or standardizing UI patterns.

Category: Design
Source: wshobson/agents · 41,103 stars
License: MIT
Proof model: claude-sonnet-5-5
Brief: “Build a product card grid for an online plant shop with filters, price, and add-to-cart buttons.”
Skill commit: 0874a27

writing-plans

Use when you have a spec or requirements for a multi-step task, before touching code

Category: Docs & Writing
Source: obra/superpowers · 301,947 stars
License: MIT
Proof model: claude-opus-5-5
Brief: “Write the implementation plan for adding team accounts to a solo-user invoicing SaaS (Next.js, Postgres, Stripe): users must be able to create a team, invite members by email, assign owner or member roles, and share clients and invoices within the team, with billing moving from the user to the team. Present the plan as a single HTML page.”
Skill commit: bb92a77

We don’t pick a winner for you: the pages are the evidence. Both proofs can be repeated with the brief, model and commit shown above. See alternatives to tailwind-design-system or alternatives to writing-plans.