MCP Server Filesystem

A file system MCP server implemented in Go language, providing a variety of file operation tools, supporting JSON data return and gitignore-style exclusion patterns.

File system Developer tools #File system #MCP protocol #Go service .Go

rating : 2 points

downloads : 13

update time : 2025-04-28

What is MCP Filesystem Server?

MCP Filesystem Server is a file system operation server based on the Model Context Protocol (MCP), allowing users to manage local files and directories through a standard protocol. It provides complete file operation functions such as creation, reading, editing, and searching.

How to use MCP Filesystem Server?

After installation, the server will automatically start and listen on the specified port. You can connect through any MCP-compatible client and use the provided toolset for file operations.

Use cases

Suitable for application scenarios that require programmatic access to the file system, such as automation scripts, AI-assisted programming tools, file management applications, etc.

Main features

File operationsComplete functions for file creation, reading, writing, and editing

Directory managementCreate, list, and browse directory structures

Advanced searchRecursive file search supporting gitignore-style exclusion patterns

JSON outputDirectory structures and file information are returned in standard JSON format

Advantages and limitations

Advantages

Based on the standard MCP protocol, compatible with multiple clients

Lightweight Go implementation, high performance and low resource consumption

Provides JSON format output for easy program processing

Supports advanced search with gitignore-style exclusion patterns

Limitations

Only supports local file system operations

Requires a Go environment for installation

The current version does not support remote file systems

How to use

Install the server

Use Go tools to install the server to the local environment

Start the server

Run the installed executable file to start the server

Connect the client

Use any MCP-compatible client to connect to the server

Usage examples

Project file browsingBrowse the project directory structure and get file information

Code file searchSearch for all Python files in the project

Configuration file editingModify specific lines in the configuration file

Frequently Asked Questions

How do I know if the server is installed successfully?

Which directories can the server access?

How can I view all available commands?

Which operating systems are supported?

Related resources

MCP Protocol Specification

Official specification document for the Model Context Protocol

Reference implementation

Reference implementation of Anthropic's MCP server

MCP Inspector tool

Tool for viewing detailed information about MCP tools

Go Installation Guide

Official installation guide for the Go language

🚀 File System MCP Server

This is a File System Operation Model Context Protocol (MCP) server implemented in Go, inspired by Anthropic's reference implementation. See modelcontextprotocol/servers for details.

Compared with the reference implementation, the significant differences in this project include:

The get_file_info and directory_tree commands return JSON data.
The search_files tool supports exclusion patterns similar to .gitignore.

🚀 Quick Start

📦 Installation

Install the server using the following command:

go install github.com/optistar/mcp-server-filesystem/cmd/mcp-server-filesystem@latest

The executable file will be installed in the Go binary directory, typically ~/go/bin. If this path is not in your PATH environment variable, please configure it accordingly.

You can also change the installation directory by setting the GOBIN environment variable.

🧪 Testing

The project includes a complete test suite to ensure the server runs as expected.

You can run the tests normally using the go test command.
A tester command packages the test suite as an MCP client, which can be used to test MCP server commands or other MCP server implementations.

✨ Features

💻 Tools

The server provides the following tools for interacting with the file system:

create_directory: Create a new directory or ensure the specified directory exists.
directory_tree: Get a recursive tree view of files and directories and return it in a JSON structure.
edit_file: Perform line-based edits on text files.
get_file_info: Retrieve detailed metadata for a file or directory.
list_allowed_directories: Return a list of all directories that the server is allowed to access.
list_directory: Get a detailed inventory of all files and directories under the specified path.
move_file: Move or rename files and directories.
read_file: Read the complete content of a file from the file system.
read_multiple_files: Read the contents of multiple files simultaneously.
search_files: Recursively search for files and directories that match a specific pattern.
write_file: Create a new file or completely overwrite an existing file to write new content.