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everything vs mcp4k

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

everything
by modelcontextprotocol
mcp4k
by ondrsh
Stars★ 85,748★ 69
30d uses
Score7746
Official
Categories
Developer ToolsAI / LLM ToolsOther
Developer ToolsAI / LLM Tools
LanguageTypeScriptKotlin
Last committhis month1 mo ago

everything · Summary

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

mcp4k · Summary

Kotlin Multiplatform framework for building MCP clients and servers with compile-time type safety.

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

mcp4k · Use cases

  • Building Kotlin-based MCP servers for custom tools
  • Creating Kotlin clients to interact with MCP servers
  • Developing cross-platform MCP applications using Kotlin Multiplatform

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

mcp4k · Install

Installation

Add mcp4k to your build:

plugins {
  kotlin("multiplatform") version "2.3.21" // or kotlin("jvm")
  kotlin("plugin.serialization") version "2.3.21"

  id("sh.ondr.mcp4k") version "0.4.10" // <-- Add this
}

Usage in Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "mcp4k-example": {
      "command": "java",
      "args": ["-jar", "path/to/your/mcp4k-server.jar"]
    }
  }
}
Comparison generated from public README + GitHub signals. Last updated automatically.