MCPSharp vs everything

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

	MCPSharp by afrise	everything by modelcontextprotocol
Stars	★ 369	★ 85,748
30d uses	—	—
Score	47	77
Official	—	✓
Categories	Developer ToolsAI / LLM Tools	Developer ToolsAI / LLM ToolsOther
Language	C#	TypeScript
Last commit	7 mo ago	this month

MCPSharp · Summary

MCPSharp is a .NET library for building MCP servers and clients with tools, resources, and prompts.

everything · Summary

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

MCPSharp · Use cases

Building MCP-compliant APIs for AI assistants like Claude Desktop
Exposing existing .NET code as MCP endpoints with minimal configuration
Integrating with Microsoft.Extensions.AI and Semantic Kernel ecosystems

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

MCPSharp · Install

Installation

dotnet add package MCPSharp

Quick Start

using MCPSharp;

public class Calculator
{
    [McpTool("add", "Adds two numbers")]
    public static int Add([McpParameter(true)] int a, [McpParameter(true)] int b)
    {
        return a + b;
    }
}

await MCPServer.StartAsync("CalculatorServer", "1.0.0");

Claude Desktop Configuration

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "mcpsharp-example": {
      "command": "dotnet",
      "args": ["run", "--project", "/path/to/your/project.csproj"],
      "env": {}
    }
  }
}

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.