Skills are the feature that turns Claude from a helpful assistant into a repeatable operator. A skill is a learned workflow. A set of instructions that Claude saves and can execute again and again without you having to re-explain the process every time. If you find yourself giving Claude the same multi-step instructions more than twice, that should be a skill.

This module teaches you what skills are, how they work, and how to build your first one.

4.1 — What Is a Skill?

A skill is essentially a saved playbook that lives inside your Claude Context folder. When Claude learns a workflow — say, pulling data from three different sources, analyzing it, and formatting a report — it can save that entire process as a skill file (a SKILL.md file) in your folder.

The next time you want that same workflow, you do not need to explain it step by step. You just tell Claude to run the skill, and it reads the instructions from the file and executes.

Think of skills like macros on steroids. A macro repeats the same clicks. A skill repeats an entire thought process — including which tools to use, what data to pull, how to format the output, and what decisions to make along the way.

Examples of skills people build:

• A daily briefing that pulls calendar events, unread Slack messages, and open tasks into a single summary
• A weekly report that pulls data from your CRM, calculates key metrics, and formats them into a scorecard
• A content creation workflow that takes a topic, researches current data, writes a draft, and posts it to your project management tool for review
• A lead qualification process that checks incoming leads against specific criteria and routes them accordingly
• A meeting prep skill that pulls attendee info, recent communications, and relevant documents before any call

4.2 — How Skills Get Created

There are two ways to create a skill:

Method 1: Organic creation (recommended for your first skill) Walk Claude through a workflow manually, step by step, in a Cowork session. When you finish, tell Claude: "Save this as a skill so I can run it again." Claude will create a SKILL.md file in your context folder that captures the entire workflow — the trigger phrase, the steps, the tools used, the output format, everything.

Method 2: Direct creation If you already know exactly what you want the skill to do, you can describe the entire workflow to Claude and ask it to create the skill file directly. This is faster if you have a clear vision, but the organic method tends to produce better skills because Claude captures nuances you might forget to mention.

4.3 — Anatomy of a Skill File

A skill file (SKILL.md) typically contains:

Trigger: What phrase or request activates this skill. For example, "run the daily briefing" or "weekly report time."

Description: A short explanation of what the skill does, so Claude (and you) can quickly understand its purpose.