MCP File Server

@Priyonuj

Basic information

About MCP File Server

A secure Model Context Protocol (MCP) server for file system operations. Enables AI assistants like Claude and Cursor to access, read, write, and manage files on your system with robust path validation and dynamic storage location management.

#mcp-file-navigator#file-server #ai-assistant

MCP File Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "file-server": {
      "command": "node",
      "args": [
        "/path/to/mcp-file-server/mcp_server.js"
      ],
      "disabled": false,
      "autoApprove": [
        "list_files",
        "read_file",
        "write_file",
        "delete_file",
        "set_base_directory",
        "get_base_directory",
        "git_command"
      ]
    }
  }
}

MCP File Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is MCP File Server?

MCP File Server is a Node.js application that implements a Model Context Protocol server for secure, standardized file system operations. It is designed for integration with AI assistants like Claude and developer tools like Cursor.

How to use MCP File Server?

Install with npm install, then start with npm start. Configure via BASE_DIRECTORY environment variable or set the base directory directly from chat using the set_base_directory tool. Git commands can be executed through the git_command tool. Add the server as an MCP server in Claude Desktop or Cursor using a JSON configuration object.

Key features of MCP File Server

Secure file operations with robust path validation against directory traversal
Read, write, list, and delete files via MCP tools
Execute Git commands directly from chat interface
Set and get base directory without restarting the server
Operations logged to a dedicated file for auditability
Modular architecture for easy extension with new services

Use cases of MCP File Server

AI assistants managing files on a user’s local machine
Developer tools like Cursor accessing project files securely
Automated file operations in chat-based workflows
Running Git commands (status, log, branch) from an AI chat interface
Centralized file management across different directories without restart

Frequently asked questions

What are the prerequisites for MCP File Server?

Node.js version 16 or higher, npm or yarn, and Git (for Git functionality).

How do I set the base directory from chat?

Use the `set_base_directory` tool by asking the AI assistant, for example “Set the base directory to C:/Users/username/Documents”. Provide an absolute path.

What security features does MCP File Server include?

It performs robust path validation to prevent directory traversal attacks, normalizes and resolves file paths carefully, validates commands to prevent injection, and logs all operations to a debug file.

Can MCP File Server be extended with new functionality?

Yes. The modular architecture allows adding new services in the `services/` directory, registering new tools in `toolService.js`, and updating `mcp_server.js`.

How do I integrate MCP File Server with Claude Desktop or Cursor?

Add a JSON configuration object like the one in the README under “Configuration Object Example”, specifying the command, script path, and auto-approved tools.

Comments

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