Build Your First Agent Skill
Learn how to create reusable Agent Skills that turn an agent into a specialist for any task you care about: research, writing, analysis, anything.
$ open "What is a Skill?"
Build the smallest possible skill to learn the file format.
checkpoints run as you work
✓ checkpoint passed, lab 2 unlocked
What you'll build
Curriculum
4 labs, about 42 min
- 1
What is a Skill?
Build the smallest possible skill to learn the file format.
5 min
Pro - 2
Encode a research methodology
Build a reusable deep-research skill that teaches Claude to research any topic thoroughly.
12 min
Pro - 3
Add reusable resources
Extend your skill with a template and source-format file, and reference them from SKILL.md.
10 min
Pro - 4
Use your skill on Costco
Run your deep-research skill on four Costco strategy sources and produce a structured brief.
15 min
Pro
Your instructor
Elvis Saravia
Founder, DAIR.AI
Elvis founded DAIR.AI and wrote the Prompt Engineering Guide, one of the most widely used references on working with language models. He has worked at companies like Meta AI and Elastic, and specializes in AI agents, RAG, and harness engineering.
How labs work
Live workspace
You run the real tools in a browser workspace. Nothing to install.
Checkpoints
Each lab checks your files and output, then unlocks the next one.
Your work stays
The workspace persists between labs so you finish with a project.