everything vs mcptools

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

	everything by modelcontextprotocol	mcptools by posit-dev
Stars	★ 85,748	★ 174
30d uses	—	—
Score	77	48
Official	✓	—
Categories	Developer ToolsAI / LLM ToolsOther	Developer ToolsAI / LLM Tools
Language	TypeScript	R
Last commit	this month	2 mo ago

everything · Summary

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

mcptools · Summary

mcptools implements the Model Context Protocol in R, enabling R to act as both MCP server and client for AI integration.

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

mcptools · Use cases

Allowing Claude Desktop to analyze data in active R sessions by executing R code
Integrating third-party MCP servers like GitHub with R-based applications through ellmer
Enabling AI assistants to access and manipulate R environments and package documentation

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

mcptools · Install

Install mcptools from CRAN:

install.packages("mcptools")

Or install the development version:

pak::pak("posit-dev/mcptools")

To use R as an MCP server with Claude Desktop, add this to your Claude Desktop configuration (~/Library/Application Support/Claude/claude_desktop_config.json):

{
  "mcpServers": {
    "r-mcptools": {
      "command": "Rscript",
      "args": ["-e", "mcptools::mcp_server()"]
    }
  }
}

To use R as an MCP client, create a configuration file at ~/.config/mcptools/config.json with your desired MCP servers.

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