Task Manager MCP Server

import { readFile, writeFile, mkdir } from 'fs/promises'; import { existsSync } from 'fs'; import path from 'path'; import { fileURLToPath } from 'url'; import { Task, TaskStore } from './types.js'; // Get the directory where this script is located const __filename = fileURLToPath(import.meta.url); const __dirname = path.dirname(__filename); // Store data in the project directory (parent of dist/) const DATA_DIR = path.join(__dirname, '..', 'data'); const TASKS_FILE = path.join(DATA_DIR, 'tasks.json'); export class Storage { private store: TaskStore = { tasks: [] }; async initialize(): Promise<void> { // Ensure data directory exists if (!existsSync(DATA_DIR)) { await mkdir(DATA_DIR, { recursive: true }); } // Load existing tasks or create new file if (existsSync(TASKS_FILE)) { const data = await readFile(TASKS_FILE, 'utf-8'); this.store = JSON.parse(data); } else { await this.save(); } } private async save(): Promise<void> { await writeFile(TASKS_FILE, JSON.stringify(this.store, null, 2), 'utf-8'); } async getTasks(): Promise<Task[]> { return this.store.tasks; } async addTask(title: string, description?: string): Promise<Task> { const task: Task = { id: crypto.randomUUID(), title, description, completed: false, createdAt: new Date().toISOString(), updatedAt: new Date().toISOString(), }; this.store.tasks.push(task); await this.save(); return task; } async updateTask(id: string, updates: Partial<Pick<Task, 'title' | 'description' | 'completed'>>): Promise<Task | null> { const task = this.store.tasks.find(t => t.id === id); if (!task) return null; Object.assign(task, updates, { updatedAt: new Date().toISOString() }); await this.save(); return task; } async deleteTask(id: string): Promise<boolean> { const index = this.store.tasks.findIndex(t => t.id === id); if (index === -1) return false; this.store.tasks.splice(index, 1); await this.save(); return true; } async completeTask(id: string): Promise<Task | null> { return this.updateTask(id, { completed: true }); } }