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Expo Android MCP server

by frndchagas·io.github.frndchagas/expo-android·v0.5.2·4 stars
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MCP server for Android emulator automation via ADB.

A88/100grade A
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Safety scan
A88/100

full report

Adoption
Growing

4 stars94 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Expo Android MCP tools (17, 1 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • assertElement

    Assert element presence and state.

  • devices

    List connected Android devices and emulators.

  • doctor

    Check adb availability and connected devices.

  • findElement

    Find UI elements by criteria.

  • inputText

    Type text into the focused input field.

  • inspect

    Capture a screenshot and parse UI hierarchy into structured elements.

  • installExpoGo

    Download the pinned Expo Go APK and install it on the device via adb install -r. Pass url to install a different official Expo Go release (only github.com/expo/expo-go-releases URLs are accepted).

  • keyEventwrite action

    Send an Android key event to the device.

  • listPackages

    List installed package names.

  • longPress

    Press and hold on screen at coordinates.

  • openApp

    Launch an Android app by package name.

  • screenshot

    Capture a screenshot without UI element parsing.

  • setDevice

    Override the active device serial for this MCP process. Use "auto" to clear override.

  • swipe

    Swipe on screen from one coordinate to another.

  • tap

    Tap on screen at coordinates.

  • tapElement

    Find an element and tap its center coordinate.

  • waitForElement

    Wait until an element appears or timeout is reached.

Public scan report

scanner v0.1.10 · 2026-11-01 · same rubric, same numbers if you re-run it

no findings
  • Code scan7 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 54 days ago12/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 88/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Expo Android MCP compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
88/100
higher than 75% of 48,273 servers
Tools
17
the typical server has 7
Tools that change things
6%
typical: 0%. Fewer write tools means less an agent can break
GitHub stars
4
more than 82% of 28,534 servers
Downloads a week
94
more than 62% of 11,915 servers with a package

What its tools let an agent do: 13 read · 1 create · 2 change · 1 run or deploy

Install Expo Android MCP in Claude Code, Cursor or VS Code

Runs npx -y @fndchagas/expo-android on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add expo-android -- npx -y @fndchagas/expo-android
Add to Cursor

What the publisher says

From the Expo Android MCP repository's README, as published. We do not edit it. Read it on GitHub

expo-android

MCP server for Android emulator automation via ADB.

Requirements

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

Verify adb:

adb devices

Install

Claude Desktop, one-click: download expo-android.mcpb from the latest release and drag it into Settings → Extensions. You can leave both fields empty — adb is auto-detected and the only connected device is used by default.

Via npm:

npm install -g @fndchagas/expo-android
# or
npx -y @fndchagas/expo-android

Quickstart

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

Example:

await client.callTool({ name: 'expo-android.doctor', arguments: {} });
await client.callTool({
  name: 'expo-android.inspect',
  arguments: { onlyInteractive: true, maxElements: 200 },
});

Use with Claude Code CLI

claude mcp add expo-android \
  --env ADB_PATH="$HOME/Library/Android/sdk/platform-tools/adb" \
  --env ADB_SERIAL="auto" \
  -- npx -y @fndchagas/expo-android

Use with OpenAI Codex CLI

codex mcp add expo-android \
  --env ADB_PATH="$HOME/Library/Android/sdk/platform-tools/adb" \
  --env ADB_SERIAL="auto" \
  -- npx -y @fndchagas/expo-android

Or edit ~/.codex/config.toml:

[mcp_servers.expo-android]
command = "npx"
args = ["-y", "@fndchagas/expo-android"]
env = { ADB_PATH = "/Users/you/Library/Android/sdk/platform-tools/adb", ADB_SERIAL = "emulator-5554" }

Serial selection priority: serial param (per tool call) → setDevice override → ADB_SERIAL env → auto (if only one device).

Environment variables

Troubleshooting

adb not found (spawn adb ENOENT)

The server starts even when adb is missing — tools return the ADB executable not found error until adb becomes reachable (run doctor to diagnose). To fix it, set ADB_PATH or export an SDK path:

export ADB_PATH="$HOME/Library/Android/sdk/platform-tools/adb"
# or
export ANDROID_HOME="$HOME/Library/Android/sdk"

If multiple devices are connected, set ADB_SERIAL to the target device. You can also run setDevice at runtime:

await client.callTool({
  name: 'expo-android.setDevice',
  arguments: { serial: 'emulator-5554' },
});

If you update PATH or SDK variables, restart the MCP process so it can pick up the new environment.

Tests

npm run build
npm test

Tools

Tool names are plain identifiers (e.g. tap); your MCP client prefixes them with the server name you registered.

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Expo Android MCP: common questions

Is Expo Android MCP server safe?
Yes, by our scan: it is graded A (88/100). Read the Expo Android MCP safety report
How do I install Expo Android MCP?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Expo Android MCP need an API key?
No secret keys are declared. It reads 7 settings from the environment.
Is Expo Android MCP maintained?
The last commit was 55 days ago (2026-09-08). The latest release is v0.5.2.
How does Expo Android MCP compare with other MCP servers?
safety score 88/100 (higher than 75% of 48,273 servers); tools 17 (the typical server has 7); tools that change things 6% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.