Claude Skills Library
Claude Skills are reusable packages of instructions and code that teach Claude to perform specialized tasks and automate complex workflows.
Learn more about Skills →Official Skills
Featured Skills→
Frontend Design
by Anthropic
Generates distinctive, production-grade frontend interfaces that avoid generic AI aesthetics.
NotebookLM Skill
by pleaseprompto
Let Claude Code chat directly with NotebookLM for source-grounded answers based exclusively on your uploaded documents
React Best Practices
by Vercel
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.
YouTube Transcript Downloader
by michalparkola
Download YouTube video transcripts when user provides a YouTube URL or asks to download/get/fetch a transcript from YouTube. Also use when user wants to transcribe or get captions/subtitles from a YouTube video.
Document Skills→
Docx
by Anthropic
Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4) Adding comments, or any other document tasks"
license: Proprietary. LICENSE.txt has complete terms
Markdown to EPUB
by smerchek
A Claude agent skill that converts markdown documents and chat summaries into professional EPUB ebook files. Perfect for creating portable, device-agnostic ebooks from research documents, blog posts, articles, or conversation summaries.
PDF
by Anthropic
Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms. When Claude needs to fill in a PDF form or programmatically process, generate, or analyze PDF documents at scale.
license: Proprietary. LICENSE.txt has complete terms
PPTX
by Anthropic
Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or editing content, (3) Working with layouts, (4) Adding comments or speaker notes, or any other presentation tasks"
license: Proprietary. LICENSE.txt has complete terms
XLSX
by Anthropic
Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas"
license: Proprietary. LICENSE.txt has complete terms
Database Skills→
Database Schema Designer
by softaworks
A comprehensive skill for designing production-ready database schemas with built-in best practices for both SQL and NoSQL databases.
MySQL
by PlanetScale
Plan and review MySQL/InnoDB schema, indexing, query tuning, transactions, and operations. Use when creating or modifying MySQL tables, indexes, or queries; diagnosing slow/locking behavior; planning migrations; or troubleshooting replication and connection issues. Load when using a MySQL database.
Neon Serverless Postgres
by Neon
Guides and best practices for working with Neon Serverless Postgres.
PlanetScale Postgres
by PlanetScale
PostgreSQL best practices, query optimization, connection troubleshooting, and performance improvement. Load when working with Postgres databases.
Postgres Best Practices
by Supabase
Postgres performance optimization and best practices from Supabase. Use this skill when writing, reviewing, or optimizing Postgres queries, schema designs, or database configurations.
Development Skills→
ast-grep
by ast-grep
Guide for writing ast-grep rules to perform structural code search and analysis. Use when users need to search codebases using Abstract Syntax Tree (AST) patterns, find specific code structures, or perform complex code queries that go beyond simple text search.
AWS Cost & Operations
by zxkane
This skill provides AWS cost optimization, monitoring, and operational best practices with integrated MCP servers for billing analysis, cost estimation, observability, and security assessment.
FFUF Skill
by jthack
Enables Claude Code to perform intelligent web fuzzing operations using ffuf, making it easier to discover hidden directories, files, subdomains, and API endpoints.
iOS Simulator Skill
by conorluddy
Efficient iOS app building, navigation, and testing using accessibility-first automation. Optimized for AI agents with minimal token output and maximum capability.
MCP Builder
by Anthropic
Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).
license: Complete terms in LICENSE.txt
Playwright Skill
by lackeyjb
Enables Claude to write and execute any Playwright automation on-the-fly - from simple page tests to complex multi-step flows.
Creative Skills→
Algorithmic Art
by Anthropic
Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code, generative art, algorithmic art, flow fields, or particle systems. Create original algorithmic art rather than copying existing artists' work to avoid copyright violations.
license: Complete terms in LICENSE.txt
Brand Guidelines
by Anthropic
Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.
license: Complete terms in LICENSE.txt
Canvas Design
by Anthropic
Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work to avoid copyright violations.
license: Complete terms in LICENSE.txt
Remotion Best Practices
by Remotion
Best practices for Remotion - Video creation in React
Slack Gif Creator
by Anthropic
Toolkit for creating animated GIFs optimized for Slack, with validators for size constraints and composable animation primitives. This skill applies when users request animated GIFs or emoji animations for Slack from descriptions like "make me a GIF for Slack of X doing Y".
license: Complete terms in LICENSE.txt
Theme Factory
by Anthropic
Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.
license: Complete terms in LICENSE.txt
Media Skills→
Image Enhancer
by composiohq
This skill takes your images and screenshots and makes them look better—sharper, clearer, and more professional.
YouTube Transcript Downloader
by michalparkola
Download YouTube video transcripts when user provides a YouTube URL or asks to download/get/fetch a transcript from YouTube. Also use when user wants to transcribe or get captions/subtitles from a YouTube video.
Productivity Skills→
Domain Name Brainstormer
by composiohq
This skill helps you find the perfect domain name for your project by generating creative options and checking what's actually available to register.
File Organizer
by composiohq
This skill acts as your personal organization assistant, helping you maintain a clean, logical file structure across your computer without the mental overhead of constant manual organization.
NotebookLM Skill
by pleaseprompto
Let Claude Code chat directly with NotebookLM for source-grounded answers based exclusively on your uploaded documents
Data Analysis Skills→
CSV Data Summarizer
by coffeefuelbump
A powerful Claude Skill that automatically analyzes CSV files and generates comprehensive insights with visualizations. Upload any CSV and get instant, intelligent analysis without being asked what you want!
Ramp Vendor Spend Analysis
by Ramp
Analyzes vendor spend data from Ramp and exports to connected systems. Use when user asks to "analyze vendor spend", "build vendor database", "update managed vendors", "top vendors report", "show vendors over X spend", "vendor spend analysis", "vendor renewals", "contract end dates", or asks about vendor spending patterns, vendor owners, purchase orders, or department-level vendor data.
Research Skills→
Article Extractor
by michalparkola
This skill extracts the main content from web articles and blog posts, removing navigation, ads, newsletter signups, and other clutter. Saves clean, readable text.
Lead Research Assistant
by composiohq
This skill helps you identify and qualify potential leads for your business by analyzing your product/service, understanding your ideal customer profile, and providing actionable outreach strategies.