MCP Catalogs
Home

everything vs mcp_on_ruby

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

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

everything · Summary

Official MCP test server exercising all protocol features for client builders.

mcp_on_ruby · Summary

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

everything · Use cases

  • Testing MCP client implementations against all protocol features
  • Learning MCP protocol capabilities through a reference server
  • Validating client compatibility with different transport methods

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

everything · Install

NPX (recommended)

{
  "mcpServers": {
    "everything": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-everything"]
    }
  }
}

On Windows, use cmd /c:

{
  "mcpServers": {
    "everything": {
      "command": "cmd",
      "args": ["/c", "npx", "-y", "@modelcontextprotocol/server-everything"]
    }
  }
}

Docker

{
  "mcpServers": {
    "everything": {
      "command": "docker",
      "args": ["run", "-i", "--rm", "mcp/everything"]
    }
  }
}

Global install

npm install -g @modelcontextprotocol/server-everything@latest
npx @modelcontextprotocol/server-everything

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.