# Anthropic official Skills
## 📄 Document Skills
- **docx**
Create, edit, and format Word documents with structured content and styling.
- **xlsx**
Perform spreadsheet operations including data analysis, formulas, and table manipulation.
- **pptx**
Generate and edit presentation slides with structured layouts and content.
- **pdf**
Extract, analyze, and process content from PDF files.
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## 🛠 Development & Technical
- **skill-creator**
Generate, review, and improve new skills from natural language descriptions.
- **mcp-server-generator**
Create MCP servers to connect external tools and APIs with AI agents.
- **web-app-tester**
Test web applications through automated interaction and validation workflows.
- **api-tester**
Validate API endpoints, responses, and integration logic.
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## 🎨 Creative & Design
- **image-generator**
Generate images based on prompts with style and composition control.
- **music-composer**
Create music compositions from structured or descriptive inputs.
- **creative-writing**
Produce stories, scripts, or narrative content with structured guidance.
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## 🧑💼 Enterprise & Communication
- **email-writer**
Draft professional emails with tone, clarity, and structure optimization.
- **meeting-summarizer**
Summarize meetings into actionable insights and key takeaways.
- **brand-voice-writer**
Generate content aligned with specific brand voice and guidelines.
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## ⚙️ Utility / Workflow Skills
- **data-analysis**
Analyze datasets and generate insights using structured workflows.
- **research-assistant**
Gather, synthesize, and summarize information from multiple sources.
- **task-planner**
Break down goals into structured tasks and execution steps.
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## 🧩 Summary
Skills are modular, task-specific capability packages that enable AI agents to execute structured workflows more reliably and efficiently.