What is Agent skill?
A skill is a discrete capability you add to an AI agent — a plugin that lets it perform a specific action, like calling a webhook, querying an API, or reading a file.
Rather than hardcoding every possible action into an agent's core, most agent frameworks let you install "skills" — small, focused plugins that each handle one capability. The agent's underlying model decides when a skill is relevant and calls it.
Skills are typically distributed through a marketplace or registry so you only install what you need, and third parties can build and share new capabilities without changing the agent's core code.
On VibeOpenClaw
OpenClaw skills are installed from the ClawHub marketplace and can call webhooks, third-party APIs, or MCP servers — this is how an OpenClaw agent connects to tools like n8n, Zapier, Notion, or GitHub.