AppSep 19, 2026
Jev Computer Use
Codex skill that lets Jev pick the next UI element from text candidates while Computer Use reads the screen and executes — text only, no screenshots.
Sac-Y open-sourced a Codex Computer Use loop where Jev (TypeSafe System One) chooses the next element, action, completion, and risk from accessibility text — Codex reads the UI and executes, with local policy gates on sensitive actions.
Only text candidates are sent to Jev; screenshots stay out of the loop.
Install
git clone https://github.com/Sac-Y/Jev-cu
cd Jev-cu
npm run install-skill # copies skill to ~/.codex/skills/jev-use
Set TYPESAFE_API_KEY in .env.local, then run tasks inside Codex desktop cua_repl with scripts/loop.mjs.
Safety
- Default dry-run; delete, send, pay, auth, upload, captcha, install, and system settings stop at
confirm. - App allowlist lives in
scripts/policy.mjs.