mcp-rb vs everything

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

	mcp-rb by funwarioisii	everything by modelcontextprotocol
Stars	★ 205	★ 85,748
30d uses	—	—
Score	43	77
Official	—	✓
Categories	Developer ToolsAI / LLM ToolsOther	Developer ToolsAI / LLM ToolsOther
Language	Ruby	TypeScript
Last commit	14 mo ago	this month

mcp-rb · Summary

Ruby framework for building MCP servers with a Sinatra-like DSL, supporting resources and tools.

everything · Summary

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

mcp-rb · Use cases

Building Ruby-based MCP servers for AI applications
Creating custom tools for Claude Desktop integration
Implementing resource providers with dynamic templates

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-rb · Install

Installation

Add this line to your application's Gemfile:

gem 'mcp-rb'

Then run:

bundle install

For Claude Desktop integration, add to claude_desktop_config.json:

{
  "mcpServers": {
    "mcp-rb-example": {
      "command": "ruby",
      "args": ["path/to/your/server.rb"]
    }
  }
}

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

Comparison generated from public README + GitHub signals. Last updated automatically.