Skill Library

The skills we use to build Rubrkit.

A free, open collection of skills for AI agents — marketing, design, and engineering. Browse one below, then grab it from GitHub.

Marketing

Skills for growth, SEO, copy, and launch.

Diagnose why a site isn't ranking and get a prioritized fix list.

Skills for design systems, tokens, and UI.

Define and apply a token system for color, type, space, and motion.

Skills for performance, accessibility, and the web platform.

Find and fix the bottlenecks behind slow pages and poor Core Web Vitals.