How To Use Codex CLI: Complete Beginner Guide & Tips

pookie · Beginner ·🤖 AI Agents & Automation ·5mo ago

Skills: AI Pair Programming90%Tool Use & Function Calling80%

In this tutorial I teach you how to use Codex CLI from OpenAI to it's full potential. AI coding CLI's like Claude Code and Codex have quickly become essential coding tools so in this video I give you tips & tricks on how to get started with the codex cli as a beginner. We cover everything from how to install to how to conect with MCP servers. Links: Codex CLI: https://developers.openai.com/codex/cli/ Puff Notifier: https://github.com/vossenwout/puff Timestamps: 00:00:00 - The year of the CLI 00:01:00 - Why use Codex CLI 00:02:20 - Cursor vs Codex CLI 00:04:00 - Agentic Mindset 00:10:40 - Install & Setup 00:13:20 - Security & Sandboxing 00:20:00 - /Commands 00:22:30 - AGENTS.md 00:25:50 - Config websearch & terminal notifier 00:28:40 - Building a browser game with codex workflow 00:52:00 - Multi-agent setup with git worktrees 00:57:20 - MCP Setup 01:01:40 - Scriping Codex 01:02:20 - Outro

Watch on YouTube ↗ (saves to browser)

Sign in to unlock AI tutor explanation · ⚡30

More on: AI Pair Programming

View skill →

Build a JavaScript chat bot with us

Build a JavaScript chat bot with us

Live-code an emoji game with us | HTML, CSS & JavaScript

Live-code an emoji game with us | HTML, CSS & JavaScript

Group Coding: Working on the Coupon-API, Part 2

Group Coding: Working on the Coupon-API, Part 2

Can I Make Brick Breaker in One Hour - Coding Challenge

Can I Make Brick Breaker in One Hour - Coding Challenge

Speaking with a Webpage - Streaming Speech Transcripts

How to Make an Asteroids Game Bot (LIVE)

How to Make an Asteroids Game Bot (LIVE)

Related AI Lessons

4 perf walls I hit shipping an AI hub on Cloudflare Workers KV

Learn how to overcome performance walls when shipping an AI hub on Cloudflare Workers KV

What Google’s UCP Tells Us About Agent-Ready Websites via @sejournal, @slobodanmanic

Google's UCP architecture is a blueprint for agent-ready websites, crucial for future web development

Search Engine Journal

Designing the Agent Memory Schema: Document Shapes for Short-Term, Episodic, and Semantic Memory in MongoDB

Learn to design an agent memory schema for short-term, episodic, and semantic memory using MongoDB

Dev.to · MongoDB Guests

Your Agent Sessions Belong in Your Codebase: Nullius in Verba

Keep agent sessions in your codebase for better management and collaboration

Dev.to · Rizèl Scarlett

Chapters (14)

The year of the CLI

1:00 Why use Codex CLI

2:20 Cursor vs Codex CLI

4:00 Agentic Mindset

10:40 Install & Setup

13:20 Security & Sandboxing

20:00 /Commands

22:30 AGENTS.md

25:50 Config websearch & terminal notifier

28:40 Building a browser game with codex workflow

52:00 Multi-agent setup with git worktrees

57:20 MCP Setup

1:01:40 Scriping Codex

1:02:20 Outro

NEW Google Gemini AI Agent is INSANE!

Julian Goldie SEO