Claude Skills are customizable workflows that teach Claude how to perform specific tasks according to your unique requirements. Skills enable Claude to execute tasks in a repeatable, standardized manner across all Claude platforms.

Key Features

Composable - Combine multiple skills for complex workflows.
Portable - Use the same skill across Claude.ai, Claude Code, and the API.
Efficient - Claude loads only what's needed for optimal performance.
Powerful - Include executable code for technical reliability.

Skills can codify your organization's processes, brand guidelines, workflows, and expertise into reusable components that Claude applies automatically when needed.

Skills

Business & Marketing

Brand Guidelines - Applies Anthropic's official brand colors and typography to artifacts for consistent visual identity and professional design standards.
Competitive Ads Extractor - Extracts and analyzes competitors' ads from ad libraries to understand messaging and creative approaches that resonate.
Domain Name Brainstormer - Generates creative domain name ideas and checks availability across multiple TLDs including .com, .io, .dev, and .ai extensions.
Internal Comms - Helps write internal communications including 3P updates, company newsletters, FAQs, status reports, and project updates using company-specific formats.
Lead Research Assistant - Identifies and qualifies high-quality leads by analyzing your product, searching for target companies, and providing actionable outreach strategies.

Communication & Writing

Content Research Writer - Assists in writing high-quality content by conducting research, adding citations, improving hooks, and providing section-by-section feedback.
Meeting Insights Analyzer - Analyzes meeting transcripts to uncover behavioral patterns including conflict avoidance, speaking ratios, filler words, and leadership style.

Creative & Media

Canvas Design - Creates beautiful visual art in PNG and PDF documents using design philosophy and aesthetic principles for posters, designs, and static pieces.
Image Enhancer - Improves image and screenshot quality by enhancing resolution, sharpness, and clarity for professional presentations and documentation.
Slack GIF Creator - Creates animated GIFs optimized for Slack with validators for size constraints and composable animation primitives.
Theme Factory - Applies professional font and color themes to artifacts including slides, docs, reports, and HTML landing pages with 10 pre-set themes.
Video Downloader - Downloads videos from YouTube and other platforms for offline viewing, editing, or archival with support for various formats and quality options.

📄 Document Skills

docx - Create, edit, analyze Word docs with tracked changes, comments, formatting.
pdf - Extract text, tables, metadata, merge & annotate PDFs.
pptx - Read, generate, and adjust slides, layouts, templates.
xlsx - Spreadsheet manipulation: formulas, charts, data transformations.
CSV Data Summarizer - Automatically analyzes CSV files and generates comprehensive insights with visualizations without requiring user prompts. By @coffeefuelbump
File Organizer - Intelligently organizes files and folders by understanding context, finding duplicates, and suggesting better organizational structures.
Invoice Organizer - Automatically organizes invoices and receipts for tax preparation by reading files, extracting information, and renaming consistently.
Markdown to EPUB Converter - Converts markdown documents and chat summaries into professional EPUB ebook files. By @smerchek
NotebookLM Integration - Lets Claude Code chat directly with NotebookLM for source-grounded answers based exclusively on uploaded documents. By @PleasePrompto
Raffle Winner Picker - Randomly selects winners from lists, spreadsheets, or Google Sheets for giveaways and contests with cryptographically secure randomness.

🛠 Development & Code Tools

artifacts-builder - Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui).
test-driven-development - Use when implementing any feature or bugfix, before writing implementation code
using-git-worktrees - Creates isolated git worktrees with smart directory selection and safety verification.
finishing-a-development-branch - Guides completion of development work by presenting clear options and handling chosen workflow.
pypict-claude-skill - Design comprehensive test cases using PICT (Pairwise Independent Combinatorial Testing) for requirements or code, generating optimized test suites with pairwise coverage.
aws-skills - AWS development with CDK best practices, cost optimization MCP servers, and serverless/event-driven architecture patterns.
move-code-quality-skill - Analyzes Move language packages against the official Move Book Code Quality Checklist for Move 2024 Edition compliance and best practices.
Changelog Generator - Automatically creates user-facing changelogs from git commits by analyzing history and transforming technical commits into customer-friendly release notes.
D3.js Visualization - Teaches Claude to produce D3 charts and interactive data visualizations. By @chrisvoncsefalvay
FFUF Web Fuzzing - Integrates the ffuf web fuzzer so Claude can run fuzzing tasks and analyze results for vulnerabilities. By @jthack
iOS Simulator - Enables Claude to interact with iOS Simulator for testing and debugging iOS applications. By @conorluddy
MCP Builder - Guides creation of high-quality MCP (Model Context Protocol) servers for integrating external APIs and services with LLMs using Python or TypeScript.
Playwright Browser Automation - Model-invoked Playwright automation for testing and validating web applications. By @lackeyjb
Skill Creator - Provides guidance for creating effective Claude Skills that extend capabilities with specialized knowledge, workflows, and tool integrations.
Skill Seekers - Automatically converts any documentation website into a Claude AI skill in minutes. By @yusufkaraaslan
Webapp Testing - Tests local web applications using Playwright for verifying frontend functionality, debugging UI behavior, and capturing screenshots.

✍️ Writing & Research

article-extractor - Extract full article text and metadata from web pages.
content-research-writer - Assists in writing high-quality content by conducting research, adding citations, improving hooks, iterating on outlines, and providing real-time feedback on each section
internal-comms - Create internal communications (status reports, leadership updates, etc)
brainstorming - Transform rough ideas into fully-formed designs through structured questioning and alternative exploration.
family-history-research - Provides assistance with planning family history and genealogy research projects.

📘 Learning & Knowledge

tapestry - Interlink and summarize related documents into knowledge networks.
ship-learn-next - Skill to help iterate on what to build or learn next, based on feedback loops.

🎬 Media & Content

youtube-transcript - Fetch transcripts from YouTube videos and prepare summaries.
video-downloader - Downloads videos from YouTube and other platforms for offline viewing, editing, or archival.
image-enhancer - Improves the quality of images, especially screenshots.
claude-epub-skill - Parse and analyze EPUB ebook contents for querying or summarizing.

🤝 Collaboration & Project Management

git-pushing - Automate git operations and repository interactions.
review-implementing - Evaluate code implementation plans and align with specs.
test-fixing - Detect failing tests and propose patches or fixes.
meeting-insights-analyzer - Transforms your meeting transcripts into actionable insights about your communication patterns

🛡 Security & Web Testing

ffuf_claude_skill - Integrate Claude with FFUF (fuzzing) and analyze results for vulnerabilities.
defense-in-depth - Implement multi-layered testing and security best practices.
webapp-testing - Toolkit for interacting with and testing local web applications using Playwright.
systematic-debugging - Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes

🔧 Utility & Automation

file-organizer - Intelligently organizes your files and folders across your computer.
invoice-organizer - Automatically organizes invoices and receipts for tax preparation
skill-creator - Template / helper to build new Claude skills.
template-skill - Minimal skeleton for a new skill project structure.

Getting Started

Using Skills in Claude.ai

Navigate to your Claude.ai account
Go to Settings → Skills
Upload or create a new skill
The skill will be available automatically when relevant to your conversations

Using Skills in Claude Code

Install Claude Code:

# Mac
curl -fsSL https://claude.ai/install.sh | bash

# Windows
irm https://claude.ai/install.ps1 | iex

Navigate to the skill folder:

cd awesome-claude-skills/lead-research-assistant

Start Claude Code:
```
claude
```
The skill loads automatically and activates when relevant.

Using Skills via API

Use the Claude Skills API to programmatically load and manage skills:

import anthropic

client = anthropic.Anthropic(api_key="your-api-key")

response = client.messages.create(
    model="claude-3-5-sonnet-20241022",
    skills=["skill-id-here"],
    messages=[{"role": "user", "content": "Your prompt"}]
)

See the Skills API documentation for details.

Creating Skills

Skill Structure

Each skill is a folder containing a SKILL.md file with YAML frontmatter:

skill-name/
├── SKILL.md          # Required: Skill instructions and metadata
├── scripts/          # Optional: Helper scripts
├── templates/        # Optional: Document templates
└── resources/        # Optional: Reference files

Basic Skill Template

---
name: my-skill-name
description: A clear description of what this skill does and when to use it.
---

# My Skill Name

Detailed description of the skill's purpose and capabilities.

## When to Use This Skill

- Use case 1
- Use case 2
- Use case 3

## Instructions

[Detailed instructions for Claude on how to execute this skill]

## Examples

[Real-world examples showing the skill in action]

Skill Best Practices

Focus on specific, repeatable tasks
Include clear examples and edge cases
Write instructions for Claude, not end users
Test across Claude.ai, Claude Code, and API
Document prerequisites and dependencies
Include error handling guidance

Contributing

We welcome contributions! Please read our Contributing Guidelines for details on:

How to submit new skills
Skill quality standards
Pull request process
Code of conduct

Quick Contribution Steps

Ensure your skill is based on a real use case
Check for duplicates in existing skills
Follow the skill structure template
Test your skill across platforms
Submit a pull request with clear documentation

Resources

Official Documentation

Claude Skills Overview - Official announcement and features
Skills User Guide - How to use skills in Claude
Creating Custom Skills - Skill development guide
Skills API Documentation - API integration guide
Agent Skills Blog Post - Engineering deep dive

Community Resources

Anthropic Skills Repository - Official example skills
Claude Community - Discuss skills with other users
Skills Marketplace - Discover and share skills

Inspiration & Use Cases

Lenny's Newsletter - 50 ways people use Claude Code
Notion Skills - Notion integration skills

License

This repository is licensed under the Apache License 2.0.

Individual skills may have different licenses - please check each skill's folder for specific licensing information.

Note: Claude Skills work across Claude.ai, Claude Code, and the Claude API. Once you create a skill, it's portable across all platforms, making your workflows consistent everywhere you use Claude.

README.md

Awesome Claude Skills

Contents

What Are Claude Skills?