File Operation MCP Server

import type { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js'; import { z } from 'zod'; import { exec, ExecOptions } from 'child_process'; import { promisify } from 'util'; import fs from 'fs-extra'; import * as path from 'path'; const execPromise = promisify(exec); /** * Tool: Install Dependencies * Registers the tool with the MCP server * @param server MCP server instance */ const registerTool = (server: McpServer) => { server.registerTool( 'install-dependencies', { title: 'Install Dependencies', description: "Installs project dependencies using the appropriate package manager (npm, pip, composer) with advanced options.", inputSchema: { project_path: z.string().describe("The path to the project directory."), manager: z.enum(['auto', 'npm', 'pip', 'composer']).optional().default('auto').describe("The package manager to use."), proxy: z.string().optional().describe("Proxy server to use for the installation."), force_reinstall: z.boolean().optional().default(false).describe("Force reinstallation of packages."), no_dev_dependencies: z.boolean().optional().default(false).describe("Skip installation of development dependencies."), lock_file_path: z.string().optional().describe("Path to a specific lock file or requirements file."), } }, async ({ project_path, manager, proxy, force_reinstall, no_dev_dependencies, lock_file_path, }) => { try { let detectedManager = manager; if (manager === 'auto') { if (await fs.pathExists(path.join(project_path, 'package-lock.json'))) detectedManager = 'npm'; else if (await fs.pathExists(path.join(project_path, 'requirements.txt'))) detectedManager = 'pip'; else if (await fs.pathExists(path.join(project_path, 'composer.json'))) detectedManager = 'composer'; else { return { content: [{ type: 'text', text: 'Could not automatically detect a package manager in the specified project path.' }], isError: true }; } } let command = ''; switch (detectedManager) { case 'npm': command = `npm install ${force_reinstall ? '--force' : ''} ${no_dev_dependencies ? '--production' : ''}`; break; case 'pip': const requirementsFile = lock_file_path || 'requirements.txt'; command = `pip install ${force_reinstall ? '--force-reinstall' : ''} -r ${requirementsFile}`; break; case 'composer': command = `composer install ${no_dev_dependencies ? '--no-dev' : ''}`; break; } const options: ExecOptions = { cwd: project_path, env: { ...process.env, ...(proxy ? { https_proxy: proxy, http_proxy: proxy } : {}) } }; const { stdout, stderr } = await execPromise(command, options); let resultMessage = `Dependencies installed successfully using ${detectedManager}.\n`; if (stdout) resultMessage += `STDOUT:\n${stdout}\n`; if (stderr) resultMessage += `STDERR (warnings):\n${stderr}\n`; return { content: [{ type: 'text', text: resultMessage }] }; } catch (error: any) { let errorMessage = `Error installing dependencies: ${error.message}\n`; if (error.stdout) errorMessage += `STDOUT:\n${error.stdout}\n`; if (error.stderr) errorMessage += `STDERR:\n${error.stderr}\n`; return { content: [{ type: 'text', text: errorMessage }], isError: true }; } } ); }; export default registerTool;