Description
🔥 Connect your tools to Codex ➡️ https://bit.ly/3U0GXu1
Learn how to install, set up, and use OpenAI's Codex CLI to build real apps - including how to connect your favorite tools via MCP and a complete plan-build-test-publish workflow.
In this Codex CLI tutorial, I walk you through everything you need to get up and running with OpenAI Codex from the command line - from installation to shipping your first app.
What you'll learn:
- How Codex CLI compares to the ChatGPT app (and which to use)
- Installing Codex CLI on Mac or PC
- Navigating the Terminal with 4 essential commands
- Choosing the right AI model (Sol vs Luna)
- Connecting tools via MCP and plugins
- Using Zapier MCP to connect APIs that don't have MCP yet
- A 4-step framework to build apps: Plan, Build, Test, Publish
- How to create an implementation plan with AI
- How to use Xcode 26/27 with Codex CLI
- Saving your project state between build phases
- Submitting your app to the App Store
Chapters:
0:00 - Why Codex over Claude Code
0:21 - Codex CLI vs ChatGPT App
1:07 - Installing Codex CLI
2:17 - Navigating Terminal (4 essential commands)
4:57 - Launching Codex in your project directory
6:27 - Authentication and logging in
7:13 - Choosing your model (Sol vs Luna)
8:08 - Connecting tools with MCP and plugins
9:11 - MCP vs Plugins explained
10:25 - Browsing and installing plugins
12:44 - Finding MCP servers for your tools
13:49 - Using Zapier MCP as a fallback for any API
15:07 - Setting up Zapier MCP (step by step)
16:05 - Adding apps to your Zapier MCP server
16:05 - App building workflow overview
16:27 - Step 1: Plan - Creating an implementation plan
19:18 - Step 2: Build - Setting up your Xcode project
21:35 - Running and testing in the simulator
22:23 - Saving your project state between phases
23:03 - Step 4: Publish to the App Store
23:21 - Subscribe for the full App Store submission tutorial
Links mentioned:
Zapier MCP: https://bit.ly/3U0GXu1
Codex CLI install page: https://learn.chatgpt.com/docs/codex/cli
Source control tutorial: https://youtu.be/EwQgLYvLxiw
Cursor tutorial: https://youtu.be/Jw90zx08CMU
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