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

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

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

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

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

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

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

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

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

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

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

Knowledge and utilities for creating animated GIFs optimized for Slack. Provides constraints, validation tools, and...

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an...

Use when completing tasks, implementing major features, or before merging to verify work meets requirements

Use when receiving code review feedback, before implementing suggestions, especially if feedback seems unclear or...

This skill should be used when the user asks to "start an LLM project", "design batch pipeline", "evaluate...

Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1)...

Implements Manus-style file-based planning for complex tasks. Creates task_plan.md, findings.md, and progress.md....

Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting...