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everything vs Pepper

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

everything
by modelcontextprotocol
Pepper
by skwallace36
Stars★ 85,748★ 88
30d uses
Score7748
Official
Categories
Developer ToolsAI / LLM ToolsOther
Developer ToolsAI / LLM ToolsMonitoring
LanguageTypeScriptSwift
Last committhis month1 mo ago

everything · Summary

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

Pepper · Summary

Pepper is an iOS dynamic library MCP server that gives AI agents eyes and hands inside iOS Simulator apps.

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

Pepper · Use cases

  • Automated UI testing and validation of iOS applications
  • Debugging layout issues and visual defects without source access
  • Analyzing performance bottlenecks and memory leaks in iOS apps

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

Pepper · Install

Installation

pip

pip install pepper-ios

Homebrew

brew install --HEAD skwallace36/pepper/pepper
tap: skwallace36/homebrew-pepper

Usage

pepper-ctl deploy            # inject into the frontmost simulator app
pepper-ctl look              # see what's on screen

Claude Desktop Configuration

{
  "mcpServers": {
    "pepper": {
      "command": "pepper-mcp"
    }
  }
}
Comparison generated from public README + GitHub signals. Last updated automatically.