Agent Skills Library

Discover reusable skills for AI coding agents like Claude Code, Codex, and more. Each skill is a package of instructions and code that teaches your agent to perform specialized tasks and automate complex workflows.

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Document Skills5

Docx
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
documentofficial
Markdown to EPUB
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.
document
PDF
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
documentofficial
PPTX
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
documentofficial
XLSX
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
documentofficial

Development Skills27

Agents
ElevenLabs
Build voice AI agents with ElevenLabs. Use when creating voice assistants, customer service bots, interactive voice characters, or any real-time voice conversation experience.
developmentofficial
Artifacts Builder
Anthropic
Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state management, routing, or shadcn/ui components - not for simple single-file HTML/JSX artifacts. license: Complete terms in LICENSE.txt
development
ast-grep
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.
development
AWS Cost & Operations
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.
developmentaws
building-ai-agent-on-cloudflare
Cloudflare
| Builds AI agents on Cloudflare using the Agents SDK with state management, real-time WebSockets, scheduled tasks, tool integration, and chat capabilities. Generates production-ready agent code deployed to Workers. Use when: user wants to "build an agent", "AI agent", "chat agent", "stateful agent", mentions "Agents SDK", needs "real-time AI", "WebSocket AI", or asks about agent "state management", "scheduled tasks", or "tool calling".
developmentofficial
building-mcp-server-on-cloudflare
Cloudflare
| Builds remote MCP (Model Context Protocol) servers on Cloudflare Workers with tools, OAuth authentication, and production deployment. Generates server code, configures auth providers, and deploys to Workers. Use when: user wants to "build MCP server", "create MCP tools", "remote MCP", "deploy MCP", add "OAuth to MCP", or mentions Model Context Protocol on Cloudflare. Also triggers on "MCP authentication" or "MCP deployment".
developmentofficial
FFUF Skill
jthack
Enables Claude Code to perform intelligent web fuzzing operations using ffuf, making it easier to discover hidden directories, files, subdomains, and API endpoints.
development
Frontend Design
Anthropic
Generates distinctive, production-grade frontend interfaces that avoid generic AI aesthetics.
developmentfeaturedofficial

Creative Skills7

Algorithmic Art
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
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Brand Guidelines
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
creativeofficial
Canvas Design
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
creativeofficial
Impeccable
pbakaus
This skill guides creation of distinctive, production-grade frontend interfaces that avoid generic "AI slop" aesthetics. Implement real working code with exceptional attention to aesthetic details and creative choices.
creativedesign
Remotion Best Practices
Remotion
Best practices for Remotion - Video creation in React
creative
Slack Gif Creator
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
creativeofficial
Theme Factory
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
creativeofficial