A skill is a folder with a SKILL.md file (a name, a description and instructions) plus optional scripts and resources. Anthropic publishes examples in anthropics/skills — browse them on our Skills page.
Use built-in skills
- In Claude.ai open Settings → Capabilities and enable Skills.
- Ask for a task such as “make a PowerPoint about our Q3 results” — Claude loads the matching skill automatically.
Install from the repo (Claude Code)
- In Claude Code run
/pluginand add theanthropics/skillsmarketplace. - Install the skill set you want, then just describe your task.
Make your own
- Create a folder with
SKILL.md. - Add front matter with
nameand a cleardescriptionof when to use it. - Write step-by-step instructions and an example output. Check the official repo’s README for the latest details.