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anthropics AI Skills

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Browse published AI skills maintained by anthropics. Compare skill descriptions and follow each source repository for setup instructions.

Author statistics

Indexed skills

48

Repository stars across indexed skills

2,087,223

Repository forks

199,159

Average repository stars per indexed skill

43,484

Repository stars may repeat across skills from the same repository.

48 skills

Browse skills

GitHub

internal-comms

anthropics

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communication...

☆ 77,231View skill
GitHub

mcp-builder

anthropics

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...

☆ 77,231View skill
GitHub

frontend-design

anthropics

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include website...

☆ 77,231View skill
GitHub

brand-guidelines

anthropics

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 compa...

☆ 77,231View skill
GitHub

xlsx

anthropics

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...

☆ 77,230View skill
GitHub

pdf

anthropics

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, ge...

☆ 77,230View skill
GitHub

theme-factory

anthropics

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 be...

☆ 77,229View skill
GitHub

web-artifacts-builder

anthropics

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, rou...

☆ 77,229View skill
GitHub

slack-gif-creator

anthropics

Knowledge and utilities for creating animated GIFs optimized for Slack. Provides constraints, validation tools, and animation concepts. Use when users request animated GIFs for Slack like "make me a GIF of X do...

☆ 77,229View skill
GitHub

canvas-design

anthropics

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 visu...

☆ 77,229View skill
GitHub

doc-coauthoring

anthropics

Guide users through a structured workflow for co-authoring documentation. Use when user wants to write documentation, proposals, technical specs, decision docs, or similar structured content. This workflow help...

☆ 77,229View skill
GitHub

pptx

anthropics

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) Addi...

☆ 77,227View skill
GitHub

algorithmic-art

anthropics

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...

☆ 77,227View skill
GitHub

docx

anthropics

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 file...

☆ 77,227View skill
GitHub

skill-creator

anthropics

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or to...

☆ 77,227View skill
GitHub

webapp-testing

anthropics

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.

☆ 77,227View skill
GitHub

claude-opus-4-5-migration

anthropics

Migrate prompts and code from Claude Sonnet 4.0, Sonnet 4.5, or Opus 4.1 to Opus 4.5. Use when the user wants to update their codebase, prompts, or API calls to use Opus 4.5. Handles model string updates and pr...

☆ 65,883View skill
GitHub

agent-identifier

anthropics

This skill should be used when the user asks to "create an agent", "add an agent", "write a subagent", "agent frontmatter", "when to use description", "agent examples", "agent tools", "agent colors", "autonomou...

☆ 65,883View skill
GitHub

configured-agent

anthropics

This skill should be used when the user asks about "plugin settings", "store plugin configuration", "user-configurable plugin", ".local.md files", "plugin state files", "read YAML frontmatter", "per-project plu...

☆ 65,883View skill
GitHub

command-name

anthropics

This skill should be used when the user asks to "create a plugin", "scaffold a plugin", "understand plugin structure", "organize plugin components", "set up plugin.json", "use ${CLAUDE_PLUGIN_ROOT}", "add comma...

☆ 65,883View skill
GitHub

frontend-design

anthropics

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, or applications. Generates creative, polished code that avoid...

☆ 65,883View skill
GitHub

mcp-integration

anthropics

This skill should be used when the user asks to "add MCP server", "integrate MCP", "configure MCP in plugin", "use .mcp.json", "set up Model Context Protocol", "connect external service", mentions "${CLAUDE_PLU...

☆ 65,882View skill
GitHub

hook-development

anthropics

This skill should be used when the user asks to "create a hook", "add a PreToolUse/PostToolUse/Stop hook", "validate tool use", "implement prompt-based hooks", "use ${CLAUDE_PLUGIN_ROOT}", "set up event-driven...

☆ 65,882View skill
GitHub

rule-identifier

anthropics

This skill should be used when the user asks to "create a hookify rule", "write a hook rule", "configure hookify", "add a hookify rule", or needs guidance on hookify rule syntax and patterns.

☆ 65,882View skill

The default order uses GitHub repository stars from our indexed data. Stars belong to the source repository and may be shared by multiple skills. They indicate repository interest, not skill installs or an independent quality score.