# What is an Agent Skill?

> An agent skill is a folder holding a SKILL.md file that a coding agent loads when a task matches the skill’s description.

Source: https://layerv.ai/glossary/agent-skill/

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[← All Terms](https://layerv.ai/glossary/) 

# What is an Agent Skill?

An agent skill is a folder with a SKILL.md file: YAML frontmatter with a name and a description, then instructions and commands. The agent reads only the description until a task calls for the skill, then loads the rest.

Claude Code reads skills from \~/.claude/skills. Cursor, OpenAI Codex, Devin Desktop (Windsurf), VS Code Copilot and Gemini CLI all document reading \~/.agents/skills, so one file in that folder works across them.

## How qURL Fits

The qURL skill at layerv.ai/skills/qurl/SKILL.md teaches an agent to install the qurl CLI, publish a local app privately, give you an address to send, and apply your private access rules, and send invitation emails only to recipients you authorize. Email verification codes stay in each recipient’s browser flow.

## Related

[Vibe Coding](https://layerv.ai/glossary/vibe-coding/) [MCP Server](https://layerv.ai/glossary/mcp-server/)

[The qURL skill →](https://layerv.ai/skills/qurl/SKILL.md) [Guide: Share from Claude Code →](https://layerv.ai/guides/share-localhost-from-claude-code/) [Guide: Share from Cursor →](https://layerv.ai/guides/share-localhost-from-cursor/)



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*This markdown version is auto-generated from [https://layerv.ai/glossary/agent-skill/](https://layerv.ai/glossary/agent-skill/) for AI agents. Curated agent resources: [llms.txt](https://layerv.ai/llms.txt). For the full interactive experience, visit the HTML version.*