macOS Notify MCP

#!/usr/bin/env swift import Foundation import UserNotifications import Cocoa class MacOSNotifyMCP: NSObject, UNUserNotificationCenterDelegate { private let center = UNUserNotificationCenter.current() override init() { super.init() center.delegate = self } func requestPermissionAndSendNotification( title: String, message: String, sound: String = "default", session: String? = nil, window: String? = nil, pane: String? = nil, terminal: String? = nil ) { center.requestAuthorization(options: [.alert, .sound]) { granted, error in if granted { self.sendNotification( title: title, message: message, sound: sound, session: session, window: window, pane: pane, terminal: terminal ) } else { print("Notification permission denied") exit(1) } } } private func sendNotification( title: String, message: String, sound: String, session: String?, window: String?, pane: String?, terminal: String? ) { let content = UNMutableNotificationContent() content.title = title content.body = message if sound == "default" { content.sound = .default } else { content.sound = UNNotificationSound(named: UNNotificationSoundName(sound + ".aiff")) } // tmux情報とターミナル情報をuserInfoに格納 var userInfo: [String: Any] = [:] if let session = session { userInfo["session"] = session if let window = window { userInfo["window"] = window } if let pane = pane { userInfo["pane"] = pane } } if let terminal = terminal { userInfo["terminal"] = terminal } content.userInfo = userInfo let request = UNNotificationRequest( identifier: UUID().uuidString, content: content, trigger: nil ) center.add(request) { error in if let error = error { print("Notification error: \(error)") exit(1) } print("Notification sent") } } // Handle notification click func userNotificationCenter( _ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void ) { let userInfo = response.notification.request.content.userInfo let terminal = userInfo["terminal"] as? String if let session = userInfo["session"] as? String { focusToTmux( session: session, window: userInfo["window"] as? String, pane: userInfo["pane"] as? String, terminal: terminal ) } else if let terminal = terminal { // tmuxセッションがない場合でもターミナルをアクティブ化 activateTerminal(preferredTerminal: terminal) } completionHandler() // Exit after handling click DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) { NSApplication.shared.terminate(nil) } } private func focusToTmux(session: String, window: String?, pane: String?, terminal: String?) { // Activate terminal activateTerminal(preferredTerminal: terminal) // Execute tmux commands DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) { let tmuxPath = self.findTmuxPath() guard !tmuxPath.isEmpty else { return } // Switch to session var tmuxTarget = session if let window = window { tmuxTarget += ":\(window)" if let pane = pane { tmuxTarget += ".\(pane)" } } self.runCommand(tmuxPath, args: ["switch-client", "-t", tmuxTarget]) } } private func activateTerminal(preferredTerminal: String? = nil) { // ターミナルタイプからアプリケーション名へのマッピング let terminalMap: [String: String] = [ "VSCode": "Visual Studio Code", "Cursor": "Cursor", "iTerm2": "iTerm2", "Terminal": "Terminal", "alacritty": "Alacritty" ] // 検出されたターミナルを優先的に使用 if let preferred = preferredTerminal, let appName = terminalMap[preferred] { if isAppRunning(appName) { runCommand("/usr/bin/osascript", args: ["-e", "tell application \"\(appName)\" to activate"]) return } } // フォールバック: 実行中のターミナルを探す let terminals = ["Alacritty", "iTerm2", "WezTerm", "Terminal", "Visual Studio Code", "Cursor"] for terminal in terminals { if isAppRunning(terminal) { runCommand("/usr/bin/osascript", args: ["-e", "tell application \"\(terminal)\" to activate"]) return } } // Default to Terminal.app runCommand("/usr/bin/osascript", args: ["-e", "tell application \"Terminal\" to activate"]) } private func isAppRunning(_ appName: String) -> Bool { let task = Process() task.executableURL = URL(fileURLWithPath: "/usr/bin/pgrep") task.arguments = ["-f", appName] task.standardOutput = Pipe() do { try task.run() task.waitUntilExit() return task.terminationStatus == 0 } catch { return false } } private func findTmuxPath() -> String { let paths = ["/opt/homebrew/bin/tmux", "/usr/local/bin/tmux", "/usr/bin/tmux"] for path in paths { if FileManager.default.fileExists(atPath: path) { return path } } // Search using which let task = Process() task.executableURL = URL(fileURLWithPath: "/usr/bin/which") task.arguments = ["tmux"] let pipe = Pipe() task.standardOutput = pipe do { try task.run() task.waitUntilExit() if task.terminationStatus == 0 { let data = pipe.fileHandleForReading.readDataToEndOfFile() if let output = String(data: data, encoding: .utf8)?.trimmingCharacters(in: .whitespacesAndNewlines) { return output } } } catch {} return "" } @discardableResult private func runCommand(_ path: String, args: [String]) -> Bool { let task = Process() task.executableURL = URL(fileURLWithPath: path) task.arguments = args do { try task.run() task.waitUntilExit() return task.terminationStatus == 0 } catch { return false } } } // Main process let app = NSApplication.shared app.setActivationPolicy(.accessory) // Run in background (no Dock icon, but can show notification icons) // Parse arguments var title = "Claude Code" var message = "" var session: String? var window: String? var pane: String? var sound = "default" var terminal: String? var i = 1 let args = CommandLine.arguments while i < args.count { switch args[i] { case "-t", "--title": if i + 1 < args.count { title = args[i + 1] i += 1 } case "-m", "--message": if i + 1 < args.count { message = args[i + 1] i += 1 } case "-s", "--session": if i + 1 < args.count { session = args[i + 1] i += 1 } case "-w", "--window": if i + 1 < args.count { window = args[i + 1] i += 1 } case "-p", "--pane": if i + 1 < args.count { pane = args[i + 1] i += 1 } case "--sound": if i + 1 < args.count { sound = args[i + 1] i += 1 } case "--terminal": if i + 1 < args.count { terminal = args[i + 1] i += 1 } case "-h", "--help": print(""" Usage: MacOSNotifyMCP [options] Options: -t, --title <text> Notification title (default: "Claude Code") -m, --message <text> Notification message (required) -s, --session <name> tmux session name -w, --window <number> tmux window number -p, --pane <number> tmux pane number --sound <name> Notification sound (default: "default") --terminal <type> Terminal type (VSCode, Cursor, iTerm2, etc.) Examples: MacOSNotifyMCP -m "Build completed" MacOSNotifyMCP -t "Build" -m "Success" -s development -w 1 -p 0 """) exit(0) default: break } i += 1 } // Message is required if message.isEmpty { print("Error: Message is required (-m option)") exit(1) } // Create MacOSNotifyMCP instance and send notification let notifier = MacOSNotifyMCP() // Send notification and wait in RunLoop notifier.requestPermissionAndSendNotification( title: title, message: message, sound: sound, session: session, window: window, pane: pane, terminal: terminal ) // Run the app app.run()