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codex-phone-lab

v0.1.1

Published

Install a Codex skill for building Expo apps live on a real phone.

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Links

Maintainers

kappaemmekappaemme

Keywords

codexskillexporeact-nativemobilephone

Readme

Codex Phone Lab

Install a Codex skill that turns a mobile app prompt into an Expo/React Native app you can open on a real phone with Expo Go.

Install

npx codex-phone-lab

Then ask Codex:

Use $codex-phone-lab and make me a notes app for my phone.

What It Does

  • Checks the local Expo/Node environment.
  • Creates Expo SDK 54 apps when needed, matching the current Expo Go workflow.
  • Starts Expo preview with a phone QR code.
  • Guides Codex to build real mobile screens, not landing pages.
  • Keeps the fast loop: prompt, code, Expo Go, live phone refresh.

Requirements

  • Node.js and npm.
  • Expo Go installed on the phone.
  • Phone and computer on the same Wi-Fi for LAN mode.

If LAN mode fails, use tunnel mode from the installed skill script:

~/.codex/skills/codex-phone-lab/scripts/start-phone-preview.sh tunnel

Override the skill's default app template only when your Expo Go supports a newer SDK:

CODEX_PHONE_LAB_EXPO_TEMPLATE=expo-template-default@sdk-55 ~/.codex/skills/codex-phone-lab/scripts/new-expo-app.sh my-app