Skills

Skill: Slack GIF Creator

by Anthropic

Create animated GIFs optimized for Slack — with size constraints, validation tools, and animation concepts baked in.

Skill: Theme Factory

by Anthropic

Style any artifact with a cohesive theme — 10 preset color/font themes, or generate a new one on the fly for slides, docs, reports, and pages.

Skill: Algorithmic Art

by Anthropic

Create generative art with p5.js — flow fields, particle systems, and seeded randomness with interactive parameter exploration.

Skill: Canvas Design

by Anthropic

Create beautiful static visual art as PNG and PDF using real design philosophy — posters, artwork, and layouts.

Skill: Frontend Design

by Anthropic

Guidance for distinctive, intentional UI design — aesthetic direction, typography, and choices that avoid looking like templated defaults.

Skill: Web App Testing

by Anthropic

Interact with and test local web applications using Playwright — verify frontend behavior, debug UI, capture screenshots, and read browser logs.

Skill: Web Artifacts Builder

by Anthropic

A suite for building elaborate, multi-component HTML artifacts with modern frontend tooling — React, Tailwind CSS, and shadcn/ui.

Skill: MCP Builder

by Anthropic

Anthropic's guide for building high-quality MCP servers end to end — research, tool design, implementation in TypeScript or Python, testing, and a 10-question evaluation suite.

Skill: Claude API Reference

by Anthropic

Authoritative reference for the Claude API and Anthropic SDKs — model IDs, pricing, parameters, streaming, tool use, MCP, agents, prompt caching, and token counting.

Skill: Skill Creator

by Anthropic

Create, edit, and optimize Agent Skills — scaffold new skills, refine existing ones, run evals, and tune descriptions for reliable triggering.

Skill: Spreadsheets (XLSX)

by Anthropic

Open, create, and edit spreadsheets — formulas, formatting, charts, data cleaning, and CSV/TSV conversion.

Skill: PowerPoint (PPTX)

by Anthropic

Build, read, and edit PowerPoint presentations — slides, layouts, templates, speaker notes, and comments.

Skill: Word Documents (DOCX)

by Anthropic

Create, read, and edit Microsoft Word documents — headings, tables of contents, page numbers, letterheads, tracked changes, comments, and images.

Skill: PDF

by Anthropic

Read, create, and manipulate PDF files — extract text and tables, merge, split, watermark, fill forms, encrypt, and OCR scanned pages.