Agent Skills
The other half of agent tooling. Where MCPs give tools, Skills give instructions.
- Anthropic★ 4.3
Theme Factory
Anthropic's official Skill for generating cohesive design themes: palettes, type, spacing, components, all consistent.
#design-system#themes#official#anthropic - Anthropic★ 4.3
MCP Builder
Anthropic's official Skill for scaffolding new MCP servers. Sets up the project, generates tools, validates the schema.
#mcp#scaffolding#official#anthropic - HeyGen★ 4.3
Hyperframes (HTML to Video)
The pattern HeyGen used to make their promo video: write HTML/CSS animations, Claude renders them frame-by-frame to MP4. Skill engineering, literally.
#video#animation#html#community - Anthropic★ 4.3
Excel
Create, read, and modify Excel spreadsheets. Claude writes the formulas, sheets, and formatting - you get a working xlsx file out.
#excel#xlsx#spreadsheets#official - Anthropic★ 4.3
PDF
Generate, read, and manipulate PDFs from inside Claude. One of the official Anthropic Skill bundles - it adds real document-processing capability to your agent.
#pdf#documents#official#anthropic - Anthropic★ 4.3
Claude API
Anthropic's official Skill for building with the Claude API/SDK. Patterns for caching, streaming, tool use, model migration.
#anthropic-sdk#api#official#anthropic - Anthropic★ 4.3
Slack GIF Creator
Anthropic's official Skill for making Slack-ready GIFs. Useful for team comms, internal memes, and announcement assets.
#slack#gif#comms#official - Anthropic★ 4.3
Doc Co-authoring
Anthropic's official Skill for collaborative document authoring with humans in the loop. Tracked suggestions, structure-aware edits.
#docs#collaboration#official#anthropic - Anthropic★ 4.3
Internal Comms
Anthropic's official Skill for internal communications: announcements, updates, all-hands notes, change comms.
#comms#internal#official#anthropic - Anthropic★ 4.3
Brand Guidelines
Anthropic's official Skill for drafting brand guideline documents. Voice, tone, colour, type, do's and don'ts, in a usable format.
#brand#guidelines#official#anthropic - Anthropic★ 4.3
Canvas Design
Anthropic's official Skill for Canvas-based visual design. Generates positioned, styled compositions you can hand off or render.
#design#canvas#official#anthropic - Anthropic★ 4.3
Algorithmic Art
Anthropic's official Skill for generative/algorithmic art. Code-driven SVG, Canvas, and shader output, controllable by parameters.
#generative-art#creative#official#anthropic - Anthropic★ 4.3
Web Artifacts Builder
Anthropic's official Skill for building self-contained web artifacts: HTML/CSS/JS bundles ready to share or embed.
#web#artifacts#official#anthropic - Anthropic★ 4.3
Frontend Design
Anthropic's official Skill for frontend design work. Takes a brief, returns components, layouts, and design-system-aware code.
#frontend#design#react#official - Anthropic★ 4.3
Webapp Testing
Anthropic's official Skill for testing web apps end-to-end. Pairs well with Playwright/Browserbase MCPs for full UI coverage.
#testing#web#qa#official - Anthropic★ 4.3
Skill Creator
Anthropic's meta-Skill for writing other Skills. Reads the spec, generates the SKILL.md, helps draft examples.
#skills#meta#official#anthropic - Anthropic★ 4.3
Word
Write and edit Word documents (docx) with Claude - styles, headings, tables, tracked changes included.
#word#docx#documents#official - Anthropic★ 4.3
PowerPoint
Generate PowerPoint decks programmatically. Claude produces a real pptx file - layouts, charts, speaker notes, the lot.
#powerpoint#pptx#presentations#official