Instructions that teach your AI assistant to do a specific task.
A skill is a folder of instructions, examples and sometimes scripts that teaches an AI assistant to do one job well, such as writing in your brand voice or analysing a spreadsheet. The assistant loads it only when the job comes up.
An MCP server gives your assistant access to a tool or data source. A skill teaches it how to do a task.
Open the listing and follow the install steps for your assistant. In most cases you add the skill folder once and it is available in every conversation.
Claude writing skill that edits AI-sounding prose into plain English