First Steps with OpenAI Codex: Setup and Agent Control

R2 · APPLY12 min

In this course, you will learn the essential first steps for using the 2026 OpenAI Codex, a full agentic coding environment. You'll master installing and authenticating the Codex CLI, running it on a real project, and effectively managing its autonomy through approval modes.

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Domain Expert

✓ Expert curated

Hendrik Lojek

Principal & Founder, ForgeShift Advisory

Advisory ExpertField ExpertIndustry Expert

Syllabus

1. Getting Started with OpenAI Codex
- Understanding Codex Surfaces and Prerequisites
- Installing and Authenticating the Codex CLI
- Your First Codex Session
- Mastering Approval Modes
- Providing Project Context with AGENTS.md
- Troubleshooting and Module Summary