Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes

Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages,...

This skill should be used when the user asks to "design agent tools", "create tool descriptions", "reduce tool...

UI/UX design intelligence. 50 styles, 21 palettes, 50 font pairings, 20 charts, 8 stacks (React, Next.js, Vue,...

Use when starting feature work that needs isolation from current workspace or before executing implementation plans...

Use when starting any conversation - establishes how to find and use skills, requiring Skill tool invocation before...

Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web...

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend...

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

Use when creating new skills, editing existing skills, or verifying skills work before deployment

Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and...

Technical decision criteria, anti-pattern detection, debugging techniques, and quality check workflow. Use when...

Language-agnostic coding principles for maintainability, readability, and quality. Use when implementing features,...

Documentation creation criteria including PRD, ADR, Design Doc, and Work Plan requirements with templates. Use when...

Frontend-specific technical decision criteria, anti-patterns, debugging techniques, and quality check workflow. Use...

Implementation strategy selection framework with meta-cognitive approach, verification levels, and integration point...

Integration and E2E test design principles, ROI calculation, test skeleton specification, and review criteria. Use...