A standing index of skills.
Every entry here has an install command, an author, and at least one note on scope. No scores, no stars — just a running list, maintained by hand.
ui-ux-pro-max
UI/UX design intelligence.
product-self-knowledge
Authoritative reference for Anthropic products.
xlsx
Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization.
pptx
Presentation creation, editing, and analysis with support for layouts, templates, charts, and automated slide generation.
Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms.
docx
Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction.
internal-comms
Write internal communications like status reports, newsletters, and FAQs.
mcp-server
Guide for creating high-quality MCP (Model Context Protocol) servers to integrate external APIs and services.
artifacts-builder
Build complex claude.ai HTML artifacts using React, Tailwind CSS, and shadcn/ui components.
brand-guidelines
Apply Anthropic's official brand colors and typography to artifacts for consistent visual identity and professional design standards.
theme-factory
Style artifacts with 10 pre-set professional themes or generate custom themes on-the-fly.
frontend-design
Create distinctive, production-grade frontend interfaces with high design quality.
slack-gif-creator
Toolkit for creating animated GIFs optimized for Slack, with validators for size constraints and composable animation primitives.
canvas-design
Design beautiful visual art in .png and .pdf formats using design philosophies.
algorithmic-art
Create generative art using p5.js with seeded randomness, flow fields, and particle systems.
webapp-testing
Test local web applications using Playwright for UI verification and debugging.
skill-creator
Guide for creating effective skills that extend Claude's capabilities with specialized knowledge, workflows, or tool integrations.
Impeccable
Design-context-aware UI generation — build or redesign pages with a consistent brand direction.