Electron MCP Server

import { app, BrowserWindow, ipcMain, Menu, Tray, shell } from 'electron'; import path from 'path'; import { fileURLToPath } from 'url'; import ElectronMCPServer from './mcp-server.js'; const __filename = fileURLToPath(import.meta.url); const __dirname = path.dirname(__filename); class ElectronMCPApp { constructor() { this.mainWindow = null; this.mcpServer = null; this.tray = null; this.serverPort = process.env.MCP_PORT || 3999; this.setupEventHandlers(); } setupEventHandlers() { app.whenReady().then(() => { this.createWindow(); // this.createTray(); this.startMCPServer(); }); app.on('window-all-closed', () => { if (process.platform !== 'darwin') { this.cleanup(); } }); app.on('activate', () => { if (BrowserWindow.getAllWindows().length === 0) { this.createWindow(); } }); app.on('before-quit', () => { this.cleanup(); }); // IPC handlers ipcMain.handle('get-server-status', () => { return this.mcpServer ? this.mcpServer.getStatus() : { running: false }; }); ipcMain.handle('restart-server', async () => { try { if (this.mcpServer) { await this.mcpServer.stop(); } await this.startMCPServer(); return { success: true }; } catch (error) { console.error('Failed to restart server:', error); return { success: false, error: error.message }; } }); ipcMain.handle('stop-server', async () => { try { if (this.mcpServer) { await this.mcpServer.stop(); this.mcpServer = null; } return { success: true }; } catch (error) { console.error('Failed to stop server:', error); return { success: false, error: error.message }; } }); ipcMain.handle('open-endpoint', () => { shell.openExternal(`http://localhost:${this.serverPort}/health`); }); } createWindow() { this.mainWindow = new BrowserWindow({ width: 800, height: 600, webPreferences: { nodeIntegration: false, contextIsolation: true, preload: path.join(__dirname, 'preload.cjs'), enableRemoteModule: false, }, // icon: path.join(__dirname, '../public/icon.png'), title: 'Electron MCP Server', show: false, // Don't show until ready }); // Load the UI this.mainWindow.loadFile(path.join(__dirname, '../public/index.html')); // Show window when ready this.mainWindow.once('ready-to-show', () => { this.mainWindow.show(); // Open DevTools in development if (process.argv.includes('--dev')) { this.mainWindow.webContents.openDevTools(); } }); // Handle window closed this.mainWindow.on('closed', () => { this.mainWindow = null; }); // Handle window closed this.mainWindow.on('close', () => { // Normal quit behavior since we don't have tray }); } // createTray() { // // Create tray icon (you might want to add an actual icon file) // // this.tray = new Tray(path.join(__dirname, '../public/icon.png')); // // const contextMenu = Menu.buildFromTemplate([ // { // label: 'Show', // click: () => { // if (this.mainWindow) { // this.mainWindow.show(); // } else { // this.createWindow(); // } // }, // }, // { // label: 'MCP Server Status', // submenu: [ // { // label: 'Open Health Check', // click: () => { // shell.openExternal(`http://localhost:${this.serverPort}/health`); // }, // }, // { // label: 'MCP Endpoint', // click: () => { // shell.openExternal(`http://localhost:${this.serverPort}/mcp`); // }, // }, // ], // }, // { type: 'separator' }, // { // label: 'Quit', // click: () => { // app.isQuiting = true; // app.quit(); // }, // }, // ]); // this.tray.setContextMenu(contextMenu); // this.tray.setToolTip('Electron MCP Server'); // this.tray.on('double-click', () => { // if (this.mainWindow) { // this.mainWindow.show(); // } else { // this.createWindow(); // } // }); // } async startMCPServer() { try { this.mcpServer = new ElectronMCPServer(this.serverPort); await this.mcpServer.start(); console.log(`MCP Server started successfully on port ${this.serverPort}`); // Update tray tooltip // if (this.tray) { // this.tray.setToolTip(`Electron MCP Server - Running on :${this.serverPort}`); // } // Notify renderer process if (this.mainWindow && this.mainWindow.webContents) { this.mainWindow.webContents.send('server-status-changed', this.mcpServer.getStatus()); } return true; } catch (error) { console.error('Failed to start MCP server:', error); // Update tray tooltip // if (this.tray) { // this.tray.setToolTip('Electron MCP Server - Error'); // } // Notify renderer process if (this.mainWindow && this.mainWindow.webContents) { this.mainWindow.webContents.send('server-error', error.message); } return false; } } async cleanup() { try { if (this.mcpServer) { await this.mcpServer.stop(); this.mcpServer = null; } // if (this.tray) { // this.tray.destroy(); // this.tray = null; // } } catch (error) { console.error('Cleanup error:', error); } } } // Create and start the application const electronMCPApp = new ElectronMCPApp(); // Export for testing export default ElectronMCPApp;