What is the key difference between Fast Filesystem MCP and MCP Filesystem Server?

Fast Filesystem MCP belongs to the File Systems category with local stdio execution, while MCP Filesystem Server belongs to the File Systems category with local stdio execution.

How do I install Fast Filesystem MCP or MCP Filesystem Server in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Fast Filesystem MCP and MCP Filesystem Server free or paid?

Fast Filesystem MCP operates under a Free / Open Source model (No auth required). MCP Filesystem Server operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Fast Filesystem MCP lists 25 tools with 2 views and 62 GitHub stars. MCP Filesystem Server lists 15 tools with 4 views and 690 GitHub stars.

Can I use both Fast Filesystem MCP and MCP Filesystem Server together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Fast Filesystem MCP vs MCP Filesystem Server

In-depth architectural comparison of the Fast Filesystem MCP and MCP Filesystem Server MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Fast Filesystem MCP

File Systems · Local stdio

Quality: 57/100 (Good) | Auth: No auth required

MCP Filesystem Server

File Systems · Local stdio

Quality: 49/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Fast Filesystem MCP if you need specialized File Systems tools running via a local process. Choose MCP Filesystem Server if your workspace requires File Systems integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Fast Filesystem MCP when:

You need dedicated capabilities in the File Systems domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
You have access to required keys: CREATE_BACKUP_FILES, DEBUG_MCP, MCP_DEBUG, MCP_LOG_FILE, MCP_SILENT_ERRORS, SILENT_ERRORS.
Primary tools included: fast_list_allowed_directories, fast_read_file, fast_read_multiple_files.

Explore Fast Filesystem MCP Details

Choose MCP Filesystem Server when:

You need dedicated capabilities in the File Systems domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: .

Feature & Specification Comparison

Specification	Fast Filesystem MCP efforthye File Systems	MCP Filesystem Server mark3labs File Systems
Summary	Advanced filesystem operations with large file handling capabilities and Claude-optimized features. Provides fast file reading/writing, sequential reading for large files, directory operations, file search, and streaming writes with backup & recovery.	Golang implementation for local file system access.
Category & Scope

Tools & Capabilities Breakdown

Fast Filesystem MCP Tools (25)

fast_list_allowed_directories

Lists the allowed directories

fast_read_file

Reads a file (with auto-chunking support)

fast_read_multiple_files

Reads the content of multiple files simultaneously (supports sequential reading)

fast_write_file

Writes or modifies a file (provides emoji guidelines)

fast_large_write_file

Reliably writes large files (with streaming, retry, backup, and verification features)

fast_list_directory

Lists the contents of a directory (with auto-chunking and pagination support)

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Fast Filesystem MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "efforthye-fast-filesystem-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "fast-filesystem-mcp"
      ],
      "env": {
        "CREATE_BACKUP_FILES": "YOUR_CREATE_BACKUP_FILES_HERE",
        "DEBUG_MCP": "YOUR_DEBUG_MCP_HERE",
        "MCP_DEBUG": "YOUR_MCP_DEBUG_HERE",
        "MCP_LOG_FILE": "YOUR_MCP_LOG_FILE_HERE",
        "MCP_SILENT_ERRORS": "YOUR_MCP_SILENT_ERRORS_HERE",
        "SILENT_ERRORS": "YOUR_SILENT_ERRORS_HERE"
      }
    }
  }
}

MCP Filesystem Server Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "mark3labs-mcp-filesystem-server": {
      "command": "npx",
      "args": [
        "-y",
        "mark3labs-mcp-filesystem-server"
      ]
    }
  }
}

Frequently Asked Questions

Fast Filesystem MCP is categorized under File Systems and uses a local stdio subprocess. In contrast, MCP Filesystem Server belongs to File Systems using local stdio subprocess. Select Fast Filesystem MCP when you need capabilities focused on file systems and MCP Filesystem Server when you require tools for file systems.

More alternatives to Fast Filesystem MCP More alternatives to MCP Filesystem Server File Systems category hub