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filesystem vs ref-tools-mcp

Side-by-side comparison to help you pick between these two MCP servers.

filesystem
by modelcontextprotocol
ref-tools-mcp
by ref-tools
Stars★ 85,748★ 1,104
30d uses
Score7754
Official
Categories
File SystemDeveloper ToolsProductivity
Developer ToolsAI / LLM ToolsSearch
LanguageTypeScriptTypeScript
Last committhis monththis month

filesystem · Summary

A feature-rich MCP server for filesystem operations with dynamic directory access control.

ref-tools-mcp · Summary

Ref MCP provides token-efficient API documentation search tools to reduce context rot and minimize costs.

filesystem · Use cases

  • Enable AI models to read and write project files during development
  • Allow Claude or other MCP clients to browse and analyze codebases
  • Provide secure sandboxed access to specific directories for content generation

ref-tools-mcp · Use cases

  • AI coding agents searching API documentation without overwhelming context windows
  • Development teams maintaining up-to-date references for multiple services
  • Cost reduction by minimizing token usage when fetching documentation

filesystem · Install

Installation

Using NPX

{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-filesystem",
        "/path/to/allowed/directory"
      ]
    }
  }
}

Using Docker

{
  "mcpServers": {
    "filesystem": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "--mount", "type=bind,src=/path/to/allowed/dir,dst=/projects/allowed/dir",
        "mcp/filesystem",
        "/projects"
      ]
    }
  }
}

VS Code Extension

Click the installation buttons in the README to install directly in VS Code.

ref-tools-mcp · Install

Installation Options

Streamable HTTP (Recommended)

Add to your Cursor configuration:

"Ref": {
  "type": "http",
  "url": "https://api.ref.tools/mcp?apiKey=YOUR_API_KEY"
}

stdio (Legacy)

Add to your Cursor configuration:

"Ref": {
  "command": "npx",
  "args": ["ref-tools-mcp@latest"],
  "env": {
    "REF_API_KEY": <sign up to get an api key>
  }
}

Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "ref-tools": {
      "command": "npx",
      "args": ["ref-tools-mcp@latest"]
    }
  }
}
Comparison generated from public README + GitHub signals. Last updated automatically.