Agent Skills
Folders of instructions, scripts and resources that Claude loads on demand when a task matches the skill's description, introduced by Anthropic in October 2025.
- Developer
- Anthropic
- Introduced
- 2025-10all 2025 milestones
- Entry file
- SKILL.md
Connected
- AnthropicAmerican artificial intelligence corporation
- Claude CodeAnthropic's agentic coding tool that reads a codebase, edits files, runs commands and verifies its work from the terminal, IDE or web.
- PDF skillAn Anthropic-published Agent Skill for reading, extracting from, filling and creating PDF documents.
- Excel (xlsx) skillAn Anthropic-published Agent Skill for creating and editing spreadsheets with formulas, formatting and charts.
- Word (docx) skillAn Anthropic-published Agent Skill for creating and editing Word documents, including tracked changes and comments.
- PowerPoint (pptx) skillAn Anthropic-published Agent Skill for building and editing slide decks.
- Frontend design skillAn Anthropic-published Agent Skill that steers Claude away from generic interfaces toward distinctive, production-grade front-end design.
- Skill creatorAn Anthropic-published Agent Skill that guides the writing, testing and packaging of new skills.
Linked from
- YAML (.yaml)A human-readable data format used for configuration and for the front matter at the top of Agent Skills' SKILL.md files.
- agent-html-kitAn open-source template kit and Claude Code skill (kit.js) that lets agents emit content-only HTML components while design lives in one shared file, published with a 72-run HTML vs Markdown benchmark.
- Claude Code subagentsSpecialised agents with their own instructions, tools and context window that the main Claude Code session can delegate tasks to.
- MCP builder skillAn Anthropic-published Agent Skill for designing and building Model Context Protocol servers.
- Web app testing skillAn Anthropic-published Agent Skill for testing local web applications with Playwright.