Does Expo MCP Server always kill the child Expo process on shutdown?
No. The server has a known issue where it does not always kill the child Expo process. It relies on global state to track process existence and should verify by PID instead.
@mattlemmone
基本情報
WIP MCP server for expo apps.
Start Expo dev server (iOS by default)
Stop running Expo dev server
Show status and logs for Expo server
Retrieve recent Expo logs
Filtered logs with advanced options
Summary statistics of current logs
Clear all stored logs
Read contents of a file
Write content to a file
List files in a directory
List all tools registered in the server
Expo MCP Server is a Model Context Protocol server that provides development and debugging tools for Expo-based React Native applications. It integrates logging, process management, and file tooling to streamline automation and AI-based workflows.
Install dependencies with npm install, build with npm run build, then start the server with npm start. For development use npm run dev and for testing with the MCP inspector use npm run inspect. The server exposes MCP tools such as expoStart, expoStop, expoLogs, readFile, and listFiles.
No. The server has a known issue where it does not always kill the child Expo process. It relies on global state to track process existence and should verify by PID instead.
Logs are currently stored in-memory from child process events. The project notes that logs should ideally be queried from persisted log files for robustness.
The README does not specify explicit external dependencies beyond Node.js and npm. An Expo installation is likely required for the Expo tools to function, but this is not stated.
The server uses the Model Context Protocol standard. No authentication mechanism is described in the README.

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