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filesystem vs mcp_on_ruby

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

filesystem
by modelcontextprotocol
mcp_on_ruby
by nagstler
Stars★ 85,748★ 98
30d uses
Score7744
Official
Categories
File SystemDeveloper ToolsProductivity
Developer ToolsAI / LLM ToolsOther
LanguageTypeScriptRuby
Last committhis month10 mo ago

filesystem · Summary

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

mcp_on_ruby · Summary

A production-ready Ruby implementation of MCP for Rails applications with authentication and tool/resource exposure.

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

mcp_on_ruby · Use cases

  • Expose Rails application functionality to AI systems via MCP protocol
  • Create secure APIs for AI agents to manage application data
  • Integrate Ruby on Rails applications with AI clients like Claude Desktop

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.

mcp_on_ruby · Install

Installation steps:

  1. Add to Gemfile:
gem 'mcp_on_ruby'
  1. Run bundle install:
bundle install
  1. Generate MCP server files:
rails generate mcp_on_ruby:install
  1. Configure MCP server in config/initializers/mcp_on_ruby.rb
  1. Start Rails server:
rails server

MCP server will be available at http://localhost:3000/mcp

For Claude Desktop integration, add to Claude config:

{
  "mcpServers": {
    "rails-mcp": {
      "command": "rails",
      "args": ["server"]
    }
  }
}
Comparison generated from public README + GitHub signals. Last updated automatically.