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Expo Agent Kit

CLI & environment

npx expo-mcp-bridge init
npx expo-mcp-bridge init --cursor
npx expo-mcp-bridge
npx expo-mcp-bridge --help
CommandWhat it does
npx expo-mcp-bridge initIn your Expo project: .mcp.json, the expo-app-control skill and an AGENTS.md section
npx expo-mcp-bridge init --cursorAlso write .cursor/mcp.json
npx expo-mcp-bridgeRun the MCP server over stdio (your agent launches this)
npx expo-mcp-bridge --helpUsage

Environment variables

VariableDefaultWhat
EXPO_MCP_PORT8347WebSocket port the phone connects to (match <AgentBridge port>)

Trying the server by hand

Your agent normally launches the server itself. To poke at it manually, any MCP client works:

npx @modelcontextprotocol/inspector npx expo-mcp-bridge