Codex Hero Course Homepage

This is the public repository Be a Codex Prototyping Hero (for PMs/Designers) Maven course.

Slides are available here: https://moorage.github.io/codex-hero-maven-course/

Before starting the class, please follow the steps below to get your computer set up.

Before You Start

• This setup assumes you are on macOS. Message me through Maven if you have a different OS.
• You will use the Terminal app for the command-line steps.
• Install the items in the order shown below.

Part 1: Download And Install Apps

These apps are point-and-click installs from their web pages.

Required downloads

1. Install Xcode (macOS only) https://apps.apple.com/us/app/xcode/id497799835?mt=12

2. Install Git
   https://git-scm.com/

3. Install VS Code
   https://code.visualstudio.com/

4. Install Codex Desktop
   https://openai.com/codex/

5. Install Homebrew
   https://brew.sh/

6. Install Apple Container (macOS only) https://github.com/apple/container/releases/download/0.11.0/container-0.11.0-installer-signed.pkg

Optional for-fun-only downloads

1. Install Ghostty
   https://ghostty.org/

2. Install Oh My Zsh
   https://ohmyz.sh/

Part 2: Run Commands In Terminal

Open the Terminal app and run these commands one step at a time.

1. Install fnm

fnm is a Node.js version manager. You can use nvm instead, but this guide uses fnm.

Read more: https://github.com/Schniz/fnm

Install it with Homebrew:

brew install fnm

2. Make fnm start automatically in Terminal

Run:

touch ~/.zshrc && { grep -Fq 'eval "$(fnm env --use-on-cd --shell zsh)"' ~/.zshrc || printf '\n# Added by fnm\neval "$(fnm env --use-on-cd --shell zsh)"\n' >> ~/.zshrc; }

Then open a new Terminal window, close current one.

3. Install Node.js

Run:

fnm install --lts

4. Install the Codex CLI

Run:

npm i -g @openai/codex

5. Install cxhere

cxhere is an extra helper tool from me, open source.

Run:

curl -fsSL https://raw.githubusercontent.com/moorage/cxhere/main/install.sh | bash

Quick Check

After setup, these commands should work:

git --version
brew --version
fnm --version
node --version
npm --version
codex --version