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/expo-screenshot

From expo-devtools-plugin

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Description

Capture a screenshot of your running Expo app in the simulator/emulator.

AI Summary

Take a screenshot of your running Expo app in the simulator/emulator. Use this to visually verify your app's UI during development, optionally focusing on specific elements by testID.

Install

1

Add the repository(one-time)

$

/plugin marketplace add W3Dev/coding-agent

2

Install the plugin

$

/plugin install expo-devtools-plugin@w3dev

Command Content

/expo-screenshot - Take app screenshot

Capture a screenshot of your running Expo app in the simulator/emulator.

Usage

/expo-screenshot [--testid=<test-id>]

Examples

/expo-screenshot
/expo-screenshot --testid=home-screen
/expo-screenshot --testid=login-button

Behavior

Connect to the running Expo dev server
Use automation_take_screenshot to capture the current screen
Optionally navigate to a specific element by testID first
Return the screenshot for visual verification

Requirements

Expo dev server must be running with MCP enabled:
```
EXPO_UNSTABLE_MCP_SERVER=1 npx expo start
```
Simulator/emulator must be running with the app

Arguments

--testid (optional): Test ID of element to focus on before screenshot

Notes

This is a local tool requiring the dev server to be running
Useful for visual verification during development
Part of Expo's automation capabilities

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Updated 3 days ago