Getting started with Codex

Get started with Codex, OpenAI’s coding agent, in this step-by-step onboarding walkthrough. You’ll learn how to install Codex, set up the CLI and VS Code extension, configure your workflow, and use Agents.md and prompting patterns to write, review, and reason across a real codebase.

This video covers:

Installing Codex (CLI + IDE)

Setting up a repo and getting your first runs working

Writing a great Agents.md (patterns + best practices)

Configuring Codex for your environment

Prompting patterns for more consistent results

Tips for using Codex in the CLI and IDE

Advanced workflows: headless mode + SDK

Start here

Sign up:
https://openai.com/codex/ /> Codex overview + docs:
https://developers.openai.com/codex /> Codex Cookbook:
https://cookbook.openai.com/topic/codex />
Install + setup

VS Code extension:
https://marketplace.visualstudio.com/items?itemName=openai.chatgpt /> Agents.md standard:
https://agents.md /> Agents.md repo:
https://github.com/agentsmd/agents.md />
Prompting + workflows
Prompting guide:
https://developers.openai.com/codex/prompting/ />
Exec plans (Agents.md patterns):
https://cookbook.openai.com/articles/codex_exec_plans />
Config reference:
https://github.com/openai/codex/blob/main/docs/config.md#config-reference />
Updates
Changelog:
https://developers.openai.com/codex/changelog /> Releases:
https://github.com/openai/codex/releases 🔗 OpenAI


https://www.youtube.com/watch?v=px7XlbYgk7I&utm_source=dlvr.it&utm_medium=blogger