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T3 Code runs coding agents. Pair the desktop app with a machine, and its agents run there. The quickest way is the machine’s Integrations → T3 Code in the dashboard. It works on any machine: Get pairing link sets up the T3 server if needed and opens T3 Code. The steps below do the same from the CLI on a t3 machine, which comes with the server running. You need the T3 Code app, the instabox CLI and jq.
1

Create a t3 machine

2

Open the pairing link

This makes a pairing code and publishes port 3774. On Linux, use xdg-open.
T3 Code asking to add the backend at https://3774-….instabox.tech
3

Confirm

Select Confirm. Settings → Environments shows the machine as Connected.
T3 Code Environments listing the machine as Connected
Agents run in /data/workspace. To sign one in, run its login once in instabox ssh t3-dev.
A pairing code works once, for 5 minutes, for whoever opens the link first. Don’t share it. To unpair, remove the environment in Settings → Environments.
The machine stays awake while T3 Code is connected, and wakes when it reconnects. See what wakes a machine.
On Linux, T3 Code needs a system keyring (GNOME Keyring or KWallet). Without one, Confirm fails with “Desktop secure storage is unavailable”.
In Settings → Environments, select Add environment and paste the pairing URL, https://3774-….instabox.tech/pair#token=<code>, in Host.

Ports

Publish, list, and unpublish ports.

Auto-pause and max-run

What counts as idle and what wakes a machine.