Codex Agent Setup & Session Operations

Artificial Intelligence

Move beyond basic prompting by turning Codex into a consistent “agent” inside a real mid-size repository. Learn how to configure durable behavior with AGENTS.md, revisit the default slash commands that control execution and risk, run Codex in non-interactive mode for automation, and reliably resume work across sessions.

Codex

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5 lessons

16 practices

2 hours

Autonomous Workflow Automation

Course details

Course Project Orientation

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Complete Your Repository Orientation Prompt

Next Course: Codex CLI Configuration, Skills, and Safe Workflows

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From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11