👑 Level 5 · Master📘 Chapter 3⏱️ 16 minutes

Skills: Teach Claude Your Way

A skill is a small instruction pack that teaches Claude how to do one job well, every time, the way you like it.

🔁 Remember: 🗂️ Projects 🖼️ Artifacts Now: 🧠 save know-how as skills.
👨‍👩‍👧
Reminder: Build and use skills with a parent or teacher. Only use skills from trusted sources and read them first. Never include private information.
🎯 In this chapter

Your skill tree

🧠 Mind map

Chapter 3 at a glance

3.1 Skill📦 Saved know-how🔁 Reuse🎯 Right job3.2 Inside📄 SKILL.md🏷️ Description🪜 Steps3.3 Create🔁 Repeated job🧪 Test🔧 Improve3.4 Wisely🛡️ Trusted source👀 Read it🔒 No secrets🌳Level 5 · Ch 3Skills
🧠

3.1 What is a skill?

🎯 Goal: understand skills as reusable know-how
  • A skill is a folder of instructions for one kind of task, like a recipe card.
  • Claude reads a skill when the task matches its description.
  • A skill can include steps, examples and extra files.
  • Skills mean you write the know-how once and reuse it.

🧠 Prompt vs Skill

💬 Prompt
You type instructions each time
📦 Skill
Instructions saved once, used when needed
🎯 Best for
Jobs you repeat: summaries, quizzes, reports

🌍 Real-life examples

📝 Notes skillAlways turn my notes into a table with 3 columns.
🧪 Quiz skillAlways make quizzes with hints and 1 question at a time.
🚀 Try it yourself
Explain skills to a Class 8 student using a recipe card example. Then suggest 3 skills a student might create for studying.
❌ WeakTyping the same long prompt every day.
Slow and easy to forget.
✅ GoodSaving it once as a skill.
Fast and consistent.
🎉 Fun fact: A skill is like a game character learning a new move, which then works whenever you need it!

📝 Quick quiz

1. What is a skill?

✅ A saved set of instructions for one kind of task.

2. Who decides when to use it?
A) Claude, by matching the description   B) Nobody

✅ A. The description tells Claude when it fits.

3. Why use skills?

✅ Write once, reuse often.

📁

3.2 Inside a skill

🎯 Goal: know the parts of a skill
  • A skill is a folder with a main file called SKILL.md.
  • At the top: a name and a description that says when to use it.
  • Below: clear steps in plain words.
  • Optional: examples or helper files.

📁 A tiny skill folder

📁 study-quiz/
  📄 SKILL.md
    name: study-quiz
    description: Make hint-based quizzes from notes
    steps: 1. ask topic 2. one question 3. hints

🌍 Real-life examples

🏷️ Good description“Use when the student wants a quiz from their notes.”
🪜 Good stepsShort numbered steps Claude can follow.
🚀 Try it yourself
Help me write a SKILL.md for a “study-quiz” skill. Include a name, a one-line description of when to use it and 4 clear steps: ask my topic, quiz me one question at a time, give hints first, and summarise what to revise.
❌ WeakA vague description: “helps”.
Claude cannot tell when to use it.
✅ Good“Use when I want a quiz from my notes.”
Clear trigger.
🏆 Mini challenge: Write a one-line description for a skill you would use weekly.

📝 Quick quiz

1. What is the main file called?

✅ SKILL.md.

2. What does the description say?
A) When to use the skill   B) Your name

✅ A. It tells Claude when the skill fits.

3. How should steps be written?

✅ Clear, short and in plain words.

✍️

3.3 Create your own

🎯 Goal: build a simple skill with a grown-up
  • You can often ask Claude to help create a skill from your instructions.
  • Start from a task you do again and again.
  • Add rules: hints, honesty and safety.
  • Test it on a real example and improve it.

✍️ Make-a-skill steps

🔁Picka repeated job
➜
📝Writename, trigger, steps
➜
🧪Testtry on real work
➜
🔧Improveone change

🌍 Real-life examples

📚 Revision skillTurn notes into 5 flashcards and 3 questions.
✍️ Feedback skillGive 3 hints on my draft and never rewrite it.
🚀 Try it yourself
I want a skill that [describe the repeated job]. Ask me 4 questions to understand it, then write the SKILL.md with a name, description and steps. Add rules: give hints, say if unsure and never ask for personal details.
❌ WeakMaking a skill for a one-time job.
Not worth saving.
✅ GoodMaking a skill for a weekly job.
Saves lots of time.
🎉 Fun fact: Teams share skills so everyone does a job the same good way!

📝 Quick quiz

1. What job suits a skill?

✅ One you repeat.

2. After writing it you should…
A) Test it   B) Never use it

✅ A. Testing finds problems.

3. Name one safety rule to add.

✅ Say if unsure, or never ask for personal details.

🛡️

3.4 Use skills wisely

🎯 Goal: keep skills safe and honest
  • Only use skills you or a trusted grown-up wrote or checked.
  • A skill is just instructions, so read it first.
  • Never put passwords or private details inside a skill.
  • Skills do not replace your learning or your teacher’s AI rules.

🛡️ Skill safety checklist

✅ Trusted source
You or a grown-up wrote it
✅ Read it
Know what it tells Claude to do
✅ No secrets
No passwords or personal info
✅ Teacher rules
Follows school AI rules

🌍 Real-life examples

🕵️ Read firstOpen SKILL.md and read every step.
🚫 Unknown sourceDo not use skills from strangers without a grown-up.
🚀 Try it yourself
Here is a skill I found: [paste]. Explain in simple words what it tells Claude to do and flag anything that looks unsafe or asks for private information.
❌ WeakInstalling a skill from a stranger.
Could be unsafe.
✅ GoodReading it and asking a grown-up.
Safe.
🏆 Mini challenge: Draw a skill tree of 3 skills you would build.

📝 Quick quiz

1. Whose skills are safe?

✅ Ones you or a trusted grown-up wrote or checked.

2. Should a skill hold passwords?
A) Yes   B) Never

✅ B. Never.

3. Do skills replace learning?

✅ No.

🛠️ Skill Card Maker

Design a simple skill card. You will get a SKILL.md draft to copy. Do not include private details.

💡 This is only a draft for learning. Ask a grown-up before adding any skill to a real account. Nothing here is saved or sent.
🏅 Chapter complete

Chapter 3 summary

What a skill is • SKILL.md basics • Create one • Use wisely.

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