csharp-sdk vs everything

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

	csharp-sdk by modelcontextprotocol	everything by modelcontextprotocol
Stars	★ 4,264	★ 85,748
30d uses	—	—
Score	59	77
Official	—	✓
Categories	Developer ToolsAI / LLM Tools	Developer ToolsAI / LLM ToolsOther
Language	C#	TypeScript
Last commit	this month	this month

csharp-sdk · Summary

Official C# SDK for MCP servers and clients with three main packages for different use cases.

everything · Summary

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

csharp-sdk · Use cases

Building MCP servers in C# for .NET applications
Creating MCP clients to connect to various MCP servers
Implementing HTTP-based MCP servers using ASP.NET Core

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

csharp-sdk · Install

Installation

Install via NuGet:

# Core package for minimal dependencies
Install-Package ModelContextProtocol.Core

# Main package for most projects
Install-Package ModelContextProtocol

# For HTTP-based servers
Install-Package ModelContextProtocol.AspNetCore

For Claude Desktop, add to claude_desktop_config.json:

{
  "mcpServers": {
    "csharp-mcp": {
      "command": "dotnet",
      "args": ["run", "--project", "YourCsharpMcpProject"]
    }
  }
}

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.