Mug's Code Forge
Practice Lab
Three short games. Tap, get instant feedback, and watch your best score climb. No prior experience needed โ these are designed for absolute beginners.
Read a plain-English description. Tap the matching tag or keyword.
A short snippet of code has one broken line. Tap the line that's wrong.
Look at the snippet. Guess what console.log will print.
Video Library
Tap Play here on any card to embed the video right inside the app โ no leaving the page. The channel list at the bottom is the best places to subscribe.
If you like a teacher's voice, subscribe โ these channels make hours of free content.
Plain-English Dictionary
Every coding word, explained as if you've never heard it before. Type to filter.
Practical Tools
Two small built-in tools โ try the calculator with your real numbers, and use the plan builder before asking AI to build or change a tool.
Practice formulas with real business-app thinking. Change the numbers and calculate.
Formula: GP$ ร Branch GP% ร 0.055 ร adjustment
Fill this out before asking AI to build or edit a company tool.
Workshop
These are not just lessons. Use them to practice planning, tracing, testing, and giving AI better instructions for company workflow tools.
Build the shape of app data before coding. This is how you stop tools from becoming messy.
Build a model to see JSON here.
Practice reading what happens after a user clicks a button.
Pick a button and trace it.
Paste tiny CSV data and see how an app turns rows into objects.
Parsed rows will show here.
See what this app saves in your browser. This helps explain why web apps remember progress.
Tap refresh to inspect saved data.
AI can make a UI prettier and accidentally break the backend. Practice spotting the real risk.
Choose a challenge.
Generate a practical checklist before you release a tool to yourself or the company.
Checklist will show here.
Turn changes into release notes so you know what changed between builds.
Release notes will show here.
Build a better prompt before asking AI to change an app.
Prompt will show here.
Use this before uploading to Cloudflare or saving the site to your iPhone home screen.