Set Up a Teammate
A plain-English guide for people who want Codex to keep an eye on the work without babysitting it all day.
The short version
This is about giving Codex a steady view of your work so it can notice what changed.
Think of it like this:
- you connect the places where work lives
- you teach Codex what matters
- Codex keeps an eye out for changes, questions, blockers, and things that need your judgement
It is useful when the important stuff is scattered across Slack, email, docs, notes, calendars, or trackers.
What this means in real life
Codex can help spot things like:
- a doc changed
- someone asked you something buried in a thread
- a handoff got blocked
- a decision needs your call
- a message looks reply-worthy
So instead of you checking five places all day, Codex can bring the useful bits to you.
Who this is for
This is handy if you:
- keep losing track of asks across different tools
- need a better way to see what needs attention
- want to cut through noise
- handle work that changes a lot during the day
If your work is mostly one file or one task, this is probably overkill. If your work is spread everywhere, it gets useful fast.
What you need to do
- Connect the tools where your work happens.
- Tell Codex what matters and what is just noise.
- Start with one thread or one workstream.
- Add automation so it can check back on its own.
- Keep using the same thread so it learns what to pay attention to.
A good way to ask
Try something like:
Check the places where my work happens and tell me what needs my attention.
Look for anything important, surprising, or likely to get missed.
If you want it to be more specific:
Check Slack, email, calendar, and notes for this project.
Tell me what changed, what is blocked, and what I need to answer.
What makes it work well
- Keep it focused on one workstream first.
- Tell Codex what counts as important.
- Tell it what counts as noise.
- Use the same thread so it has context.
- Ask it what changed since the last check.
The trap to avoid
The trap is trying to make it monitor everything at once.
That usually turns into noise, not help.
Start with one useful check and make it earn more responsibility.
Plain-English summary
Set up a teammate means turning Codex into a useful extra pair of eyes on your work.
It watches the places you already use, notices changes, and points out the things worth your attention.
Source: OpenAI Codex use cases page, “Set up a teammate”