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Anthropic

Official

Agent skills published by Anthropic. All free and open source, linked straight to the original repositories.

Web App Testing

by Anthropic

Comprehensive web application testing toolkit using Playwright for automated browser interactions. Features decision tre

Free

Theme Factory

by Anthropic

Professional theme application toolkit for styling any artifact with curated color palettes and typography. Includes 10

Free

Template Skill

by Anthropic

Basic template for creating new Claude skills with proper structure and metadata. Includes pre-configured YAML frontmatt

Free

Slack GIF Creator

by Anthropic

Professional animated GIF toolkit optimized for Slack's strict requirements (64KB for emoji GIFs, 2MB for message GIFs).

Free
S

Skill Creator

by Anthropic

Meta-skill for creating effective Claude skills from conception to distribution. Learn the complete skill development li

Free

MCP Builder

by Anthropic

Comprehensive guide for creating high-quality Model Context Protocol (MCP) servers that enable LLMs to interact effectiv

Free

Internal Comms

by Anthropic

Professional internal communication toolkit with company-approved templates and guidelines for multiple communication ty

Free
E

Excel Master

by Anthropic

Comprehensive Excel spreadsheet toolkit with zero-tolerance for formula errors. Create professional spreadsheets using o

Free

PowerPoint Pro

by Anthropic

Professional PowerPoint presentation toolkit for creating, editing, and analyzing .pptx files. Create stunning presentat

Free

PDF Toolkit

by Anthropic

Comprehensive PDF manipulation toolkit combining Python libraries (pypdf, pdfplumber, reportlab) and command-line tools

Free

DOCX Editor

by Anthropic

Comprehensive Microsoft Word document toolkit for creating, editing, and analyzing .docx files using both docx-js (for n

Free

Canvas Design

by Anthropic

Create museum-quality visual art in PNG and PDF formats using sophisticated design philosophy principles. Follows a two-

Free

Brand Guidelines

by Anthropic

Apply Anthropic's official brand colors and typography to any artifact with precision and consistency. Includes the comp

Free

Artifacts Builder

by Anthropic

Build elaborate multi-component HTML artifacts using modern frontend technologies including React 18, TypeScript, Vite,

Free

Algorithmic Art

by Anthropic

Create stunning generative art using p5.js with sophisticated algorithmic philosophies. Design unique computational aest

Free