Codex: What Do I Do Now?

If you just clicked Codex and are staring at it like “cool, now what?”, start here.

What Codex is

Codex is an AI helper that can work with code, files, and commands. It is not just a chat box. It can look at your project, change files, run checks, and help fix things.

That also means it can make mistakes that affect real files. Best move: give it one clear job, keep the job small, and check the result before you trust it.

What to do first

Tell Codex what you want fixed, made, explained, or built.
If you have a file, paste it or point to it.
Say what “good” looks like.
Mention anything important like deadline, audience, tone, or platform.
If you are not sure, say that out loud. Codex can help you narrow it down.

Examples:

“Explain this folder to me like I’m new.”
“Fix the bug where saving fails.”
“Make this email sound friendly but firm.”
“I want the simplest version that works.”

What helps most

Paste the thing instead of describing it.
Say the goal, not just the task.
Give an example if you have one.
Tell Codex what to avoid.
Say whether you want a draft, a final answer, or options.
If it is wrong, say what is wrong and why.

Good habits

Start with one job.
Keep the request small if you can.
Ask for a plan first if the task is big.
Check the result before using it.
Start a new thread if the conversation gets messy.

Talk normally

You do not need to sound like a developer.

You do not need Markdown.

You do not need to know the fancy word for the thing.

Just say what you want, why you want it, and what “good” looks like.

If you can explain it to a person, Codex can work with it.

One safety note

Never paste secrets into chat. If a key, password, or token shows up in a prompt or file, treat it like exposed data and rotate it.

One important thing to know

Every new conversation starts completely blank.

Codex does not remember what you talked about yesterday. If you start a new chat, it has no idea what you were working on. Paste a quick summary at the top if the context matters — one or two sentences is enough.

What not to worry about

You do not need to sound technical.
You do not need perfect wording.
You do not need to know the exact answer before asking.

If you can say “this is the thing, this is why it matters, this is what I want,” that is enough.

Tiny template

Context: [what this is for]
Goal: [what you want Codex to do]
Constraints: [anything important]
Output: [draft, final, explanation, fix, etc.]

Source: Codex