File Operation MCP Server

import type { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js'; import { z } from 'zod'; import os from 'os'; import { exec } from 'child_process'; import { promisify } from 'util'; const execPromise = promisify(exec); export default function listProcesses(server: McpServer) { server.registerTool( 'list-processes', { title: 'List Running Processes', description: 'Lists all running processes on the host system.', inputSchema: {}, }, async () => { try { let command: string; const platform = os.platform(); if (platform === 'win32') { command = 'tasklist'; } else if (platform === 'darwin' || platform === 'linux') { command = 'ps -e -o pid,ppid,command'; } else { return { content: [{ type: 'text', text: `Error: Unsupported platform: ${platform}` }], isError: true, }; } const { stdout, stderr } = await execPromise(command); if (stderr) { return { content: [{ type: 'text', text: `Error listing processes: ${stderr}` }], isError: true, }; } return { content: [{ type: 'text', text: stdout }], }; } catch (error: any) { return { content: [{ type: 'text', text: `An error occurred: ${error.message}` }], isError: true, }; } } ); }