Plan or review Material Design 3 foundations for web. Use for color roles, typography, shape, elevation, motion, density, accessibility, and design token decisions before building Material components.
Create or update repository skills and instructions when major learnings are discovered during a session. Use when the user says "learn!", when a significant pattern or pitfall is identified, or when reusable domain knowledge should be captured for future sessions.
Eval-driven development (EDD) ilkelerini uygulayan Claude Code oturumları için formal değerlendirme çerçevesi
Evidence-first ECC Tools burn and billing audit workflow. Use when investigating runaway PR creation, quota bypass, premium-model leakage, duplicate jobs, or GitHub App cost spikes in the ECC Tools repo.
Create CodeTour `.tour` files — persona-targeted, step-by-step walkthroughs with real file and line anchors. Use for onboarding tours, architecture walkthroughs, PR tours, RCA tours, and structured "explain how this works" requests.
Scan skills to extract cross-cutting principles and distill them into rules — append, revise, or create new rule files
Use this skill to generate or audit design systems, check visual consistency, and review PRs that touch styling.