21-Day Claude Code Challenge

Your challenge is ready.

10-15 minutes a day. One practical task. Real results. Work through the days in order - each one builds on the last.

Week 1

Setup & First Steps

Install Claude Code and run your first prompt

The 4-part prompt formula that gets results every time

Plan Mode - make Claude think before it builds

GitHub branch first - the habit that saves everything

Auto Mode - let Claude build without asking permission

How to read error messages without panicking

Week 1 build day - a working homepage from scratch

Week 2

The CLAUDE.md file - give Claude a permanent memory

What to put in your CLAUDE.md so Claude never forgets your style

Slash commands - shortcuts that save you hours

The @ mention trick - point Claude at files without explaining them

Multi-clauding - run two sessions at the same time

When AI goes wrong - the exact recovery process

Week 2 build day - a full page with form and email capture

Week 3

Skills - 37,000 free shortcuts waiting for you

Create your own personal skill in 5 minutes

Plan Mode for big builds - plan a full week before touching a file

The /loop command - set Claude to work in the background automatically

Sub-agents - Claude managing multiple tasks at the same time

Build your personal pre-session workflow checklist

Final build day - something complete, tested and live