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Android UI Assist MCP Server

by infiniV
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TypeScript
MIT License
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Real-Time Android UI Development with AI Agents - MCP Server

npm version License: MIT TypeScript Node.js

Model Context Protocol server that enables AI coding agents to see and analyze your Android app UI in real-time during development. Perfect for iterative UI refinement with Expo, React Native, Flutter, and native Android development workflows. Connect your AI agent to your running app and get instant visual feedback on UI changes.

Keywords: android development ai agent, real-time ui feedback, expo development tools, react native ui assistant, flutter development ai, android emulator screenshot, ai powered ui testing, visual regression testing ai, mobile app development ai, iterative ui development, ai code assistant android

Quick Demo

See the MCP server in action with real-time Android UI analysis:

MCP Server Status

Live Development Workflow

Tools

Usage

Server ready with 2 tools available

AI agent analyzing Android UI in real-time

Features

Real-Time Development Workflow

  • Live screenshot capture during app development with Expo, React Native, Flutter

  • Instant visual feedback for AI agents on UI changes and iterations

  • Seamless integration with development servers and hot reload workflows

  • Support for both physical devices and emulators during active development

AI Agent Integration

  • MCP protocol support for Claude Desktop, GitHub Copilot, and Gemini CLI

  • Enable AI agents to see your app UI and provide contextual suggestions

  • Perfect for iterative UI refinement and design feedback loops

  • Visual context for AI-powered code generation and UI improvements

Developer Experience

  • Zero-configuration setup with running development environments

  • Docker deployment for team collaboration and CI/CD pipelines

  • Comprehensive error handling with helpful development suggestions

  • Secure stdio communication with timeout management

Table of Contents

AI Agent Configuration

This MCP server works with AI agents that support the Model Context Protocol. Configure your preferred agent to enable real-time Android UI analysis:

Claude Code

# CLI Installation claude mcp add android-ui-assist -- npx android-ui-assist-mcp # Local Development claude mcp add android-ui-assist -- node "D:\\projects\\android-ui-assist-mcp\\dist\\index.js"

Claude Desktop

Add to %APPDATA%\Claude\claude_desktop_config.json:

{ "mcpServers": { "android-ui-assist": { "command": "npx", "args": ["android-ui-assist-mcp"], "timeout": 10000 } } }

GitHub Copilot (VS Code)

Add to .vscode/settings.json:

{ "github.copilot.enable": { "*": true }, "mcp.servers": { "android-ui-assist": { "command": "npx", "args": ["android-ui-assist-mcp"], "timeout": 10000 } } }

Gemini CLI

# CLI Installation gemini mcp add android-ui-assist npx android-ui-assist-mcp # Configuration # Create ~/.gemini/settings.json with: { "mcpServers": { "android-ui-assist": { "command": "npx", "args": ["android-ui-assist-mcp"] } } }

Installation

Package Manager Installation

npm install -g android-ui-assist-mcp

Source Installation

git clone https://github.com/yourusername/android-ui-assist-mcp cd android-ui-assist-mcp npm install && npm run build

Installation Verification

After installation, verify the package is available:

android-ui-assist-mcp --version # For npm installation npx android-ui-assist-mcp --version

Development Workflow

This MCP server transforms how you develop Android UIs by giving AI agents real-time visual access to your running application. Here's the typical workflow:

  1. Start Your Development Environment: Launch Expo, React Native Metro, Flutter, or Android Studio with your app running

  2. Connect the MCP Server: Configure your AI agent (Claude, Copilot, Gemini) to use this MCP server

  3. Iterative Development: Ask your AI agent to analyze the current UI, suggest improvements, or help implement changes

  4. Real-Time Feedback: The AI agent takes screenshots to see the results of code changes immediately

  5. Refine and Repeat: Continue the conversation with visual context for better UI development

Perfect for:

  • Expo development with live preview and hot reload

  • React Native development with Metro bundler

  • Flutter development with hot reload

  • Native Android development with instant run

  • UI testing and visual regression analysis

  • Collaborative design reviews with AI assistance

  • Accessibility testing with visual context

  • Cross-platform UI consistency checking

Prerequisites

Component

Version

Installation

Node.js

18.0+

Download

npm

8.0+

Included with Node.js

ADB

Latest

Android SDK Platform Tools

Android Device Setup

  1. Enable Developer Options: Settings > About Phone > Tap "Build Number" 7 times

  2. Enable USB Debugging: Settings > Developer Options > USB Debugging

  3. Verify connection: adb devices

Development Environment Setup

Expo Development

  1. Start your Expo development server:

npx expo start # or npm start

  1. Open your app on a connected device or emulator

  2. Ensure your device appears in adb devices

  3. Your AI agent can now take screenshots during development

React Native Development

  1. Start Metro bundler:

npx react-native start

  1. Run on Android:

npx react-native run-android

  1. Enable hot reload for instant feedback with AI analysis

Flutter Development

  1. Start Flutter in debug mode:

flutter run

  1. Use hot reload (r) and hot restart (R) while getting AI feedback

  2. The AI agent can capture UI states after each change

Native Android Development

  1. Open project in Android Studio

  2. Run app with instant run enabled

  3. Connect device or start emulator

  4. Enable AI agent integration for real-time UI analysis

Docker Deployment

Docker Compose

cd docker docker-compose up --build -d

Configure AI platform for Docker:

{ "mcpServers": { "android-ui-assist": { "command": "docker", "args": ["exec", "android-ui-assist-mcp", "node", "/app/dist/index.js"], "timeout": 15000 } } }

Manual Docker Build

docker build -t android-ui-assist-mcp . docker run -it --rm --privileged -v /dev/bus/usb:/dev/bus/usb android-ui-assist-mcp

Available Tools

MCP Tools Available

Tool

Description

Parameters

take_android_screenshot

Captures device screenshot

deviceId

(optional)

list_android_devices

Lists connected devices

None

Tool Schemas

take_android_screenshot

{ "name": "take_android_screenshot", "description": "Capture a screenshot from an Android device or emulator", "inputSchema": { "type": "object", "properties": { "deviceId": { "type": "string", "description": "Optional device ID. If not provided, uses the first available device" } } } }

list_android_devices

{ "name": "list_android_devices", "description": "List all connected Android devices and emulators with detailed information", "inputSchema": { "type": "object", "properties": {} } }

Usage Examples

Real-Time Development Workflow

Example: AI agent listing devices, capturing screenshots, and providing detailed UI analysis in real-time

Real-Time UI Development

With your development environment running (Expo, React Native, Flutter, etc.), interact with your AI agent:

Initial Analysis:

  • "Take a screenshot of my current app UI and analyze the layout"

  • "Show me the current state of my login screen and suggest improvements"

  • "Capture the app and check for accessibility issues"

Iterative Development:

  • "I just changed the button color, take another screenshot and compare"

  • "Help me adjust the spacing - take a screenshot after each change"

  • "Take a screenshot and tell me if the new navigation looks good"

Cross-Platform Testing:

  • "Capture screenshots from both my phone and tablet emulator"

  • "Show me how the UI looks on device emulator-5554 vs my physical device"

Development Debugging:

  • "List all connected devices and their status"

  • "Take a screenshot from the specific emulator running my debug build"

  • "Capture the current error state and help me fix the UI issue"

Troubleshooting

ADB Issues

  • ADB not found: Verify ADB is installed and in PATH

  • No devices: Check USB connection and debugging authorization

  • Device unauthorized: Disconnect/reconnect USB, check device authorization prompt

  • Screenshot failed: Ensure device is unlocked and properly connected

Connection Issues

  • Verify adb devices shows your device as "device" status

  • Restart ADB server: adb kill-server && adb start-server

  • Check USB debugging permissions on device

Development

Build Commands

npm run build # Production build npm test # Run tests npm run lint # Code linting npm run format # Code formatting

Project Structure

src/ ├── server.ts # MCP server implementation ├── types.ts # Type definitions ├── utils/ │ ├── adb.ts # ADB command utilities │ ├── screenshot.ts # Screenshot processing │ └── error.ts # Error handling └── index.ts # Entry point

Performance

  • 5-second timeout on ADB operations

  • In-memory screenshot processing

  • Stdio communication for security

  • Minimal privilege execution

License

MIT License - see LICENSE file for details.

Deploy Server
-
security - not tested
A
license - permissive license
-
quality - not tested

How are these scores calculated?

local-only server

The server can only run on the client's local machine because it depends on local resources.

Tools

Enables AI agents to capture screenshots from Android devices and emulators, and manage connected devices for UI analysis and testing. Supports device listing, screenshot capture, and integrates with Claude Desktop, Gemini CLI, and GitHub Copilot.

  1. Quick Demo
    1. Features
      1. Table of Contents
        1. AI Agent Configuration
          1. Claude Code
          2. Claude Desktop
          3. GitHub Copilot (VS Code)
          4. Gemini CLI
        2. Installation
          1. Package Manager Installation
          2. Source Installation
          3. Installation Verification
        3. Development Workflow
          1. Prerequisites
            1. Android Device Setup
          2. Development Environment Setup
            1. Expo Development
            2. React Native Development
            3. Flutter Development
            4. Native Android Development
          3. Docker Deployment
            1. Docker Compose
            2. Manual Docker Build
          4. Available Tools
            1. Tool Schemas
          5. Usage Examples
            1. Real-Time UI Development
          6. Troubleshooting
            1. ADB Issues
            2. Connection Issues
          7. Development
            1. Build Commands
            2. Project Structure
          8. Performance
            1. License

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