Build a Custom Agent Skill From Scratch in 22 Minutes

If you’ve ever given AI the same task twice and gotten two completely different results, agent skills can help. In this video, I’m breaking down what agent skills actually are, why they can make your AI workflows more consistent, and how to build one from scratch. We’ll create a skill, review it before using it, test it on a real task, and look at what separates a useful agent skill from one that just adds more complexity. If you’re experimenting with AI agents, vibe coding, or building your own AI workflows, this is a practical place to start. CHAPTERS 00:00 Why Your AI Results Keep Changing 01:07 What Is an Agent Skill? 02:22 Building an Agent Skill From Scratch 05:00 Reviewing the Skill Before Using It 06:43 Uploading Your Agent Skill 08:18 Testing If the Skill Actually Works 11:30 How to Evaluate a Good Agent Skill 14:25 Stress Testing and Improving the Skill 18:28 The Framework for Building Better Skills 20:10 Final Takeaways Subscribe for more practical videos on AI, vibe coding, agent skills, and building with AI. Happy building! ━━━━━━━━━━ Music featured: shushubobo - [no copyright music] " favorite things " lofi vlog music [no copyright music]    • [no copyright music] " favorite things " l...   shushubobo - [no copyright music] " Let's go 곰돌이 " cute vlog music [no copyright music]    • [no copyright music] " Let's go 곰돌이 " cute...   shushubobo - [no copyright music] " health foods " lofi vlog music [no copyright music]    • [no copyright music] " health foods " lofi...   shushubobo - dpi [no copyright music]    • dpi   shushubobo - [no copyright music] " dango vs tanghulu " lofi vlog music [no copyright music]    • [no copyright music] " dango vs tanghulu "...   shushubobo - [no copyright music] " bread party " lofi vlog music [no copyright music]    • [no copyright music] " bread party " lofi ...   shushubobo - [no copyright music] "neko" cute vlog music [no copyright music]    • [no copyright music] "neko" cute vlog music   ━━━━━━━━━━ ✨️ LET'S CONNECT: Subscribe to my newsletter: https://ladydev.me/newsletter Take the free 30-day AI challenge: https://ladydev.me/simplifai Find me on social: Instagram → / itsthatlady.dev ( / itsthatlady.dev ) Linkedin → / kedashakerr ( / kedashakerr ) Tiktok → / itsthatlady.dev ( / itsthatlady.dev )