Expo Android MCP Server

MCP server for Android emulator automation via ADB.

Local serverstdio

What is the Expo Android MCP MCP server?

Connect Expo Android MCP to Claude, Cursor or any other MCP client and it stops being a tab you switch to. MCP server for Android emulator automation via ADB. The expo android mcp mcp server is what makes that connection.

What the server does

  1. Start an emulator or connect a device. 2. Run doctor to validate adb + device selection. 3. Use inspect, tapElement, inputText, etc.

Installation

@fndchagas/expo-android on npm is all you need. Most clients run it directly, so configuration is a few lines and a restart.

Available tools

The toolset is worth reading before you wire it up, because it tells you what the integration is really for:

  • devices — list connected devices and emulators
  • doctor — validate adb availability and show connected devices
  • setDevice — override the active device serial for this MCP process
  • inspect — UI dump parsed into elements with a summary (screenshot optional)
  • screenshot — capture a screenshot only (base64 or file path)
  • findElement — return elements that match search criteria
  • tapElement — find an element and tap its center
  • waitForElement — wait until an element appears (optionally with state checks)
  • assertElement — verify element existence and state
  • tap — tap at x/y coordinates
  • swipe — swipe between coordinates
  • longPress — press and hold at coordinates

Credentials and setup notes

Configuration is passed through the environment: ADB_PATH, ANDROID_HOME. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.

  • Node 18+ - Android SDK platform-tools (adb) available - Android emulator or device connected Verify adb:

Worth knowing first

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • With 14 tools registered it takes up a noticeable share of the context window; turn it off in projects that never touch Expo Android MCP.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

Where it fits

Among the browser automation options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. Expo Android MCP's toolset — devices, doctor, setDevice and 11 more — is a fair guide to whether it matches your workflow. It is maintained by frndchagas; worth a glance at recent repository activity before you build anything load-bearing on it.

SyncDev reviews every entry in this directory against the project's own documentation before publishing, and revisits them as servers change.

Available tools

ToolWhat it does
deviceslist connected devices and emulators.
doctorvalidate adb availability and show connected devices.
setDeviceoverride the active device serial for this MCP process.
inspectUI dump parsed into elements with a summary (screenshot optional).
screenshotcapture a screenshot only (base64 or file path).
findElementreturn elements that match search criteria.
tapElementfind an element and tap its center.
waitForElementwait until an element appears (optionally with state checks).
assertElementverify element existence and state.
taptap at x/y coordinates.
swipeswipe between coordinates.
longPresspress and hold at coordinates.
inputTexttype text in the focused field.
keyEventsend Android key events (e.g., BACK, HOME).

How to install the Expo Android MCP MCP server

{
  "mcpServers": {
    "expo-android": {
      "command": "npx",
      "args": ["-y", "@fndchagas/expo-android"],
      "env": {
        "ADB_PATH": "your-value",
        "ANDROID_HOME": "your-value"
      }
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

  • Node 18+ - Android SDK platform-tools (adb) available - Android emulator or device connected Verify adb:
VariableDescriptionRequired
ADB_PATHFilesystem location the server is allowed to use.Optional
ANDROID_HOMEConfiguration value read at startup.Optional

Example prompts to try

  • Use Expo Android MCP to devices.
  • Use Expo Android MCP to doctor.
  • Use Expo Android MCP to setDevice.

Frequently asked questions

It connects Expo Android MCP to MCP-compatible AI assistants such as Claude and Cursor, exposing 14 tools (devices, doctor, setDevice, and more) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Expo Android MCP directly.