MyFirstMCP - Model Context Protocol Server Example

This is a simple C# implementation of a Model Context Protocol (MCP) server using .NET 9. The project demonstrates how to create an MCP server with basic functionality including monkey and selling services.

Prerequisites

• .NET 9.0 SDK
• Visual Studio Code or Visual Studio 2022

Project Structure

MyFirstMCP/
├── Model/
│   └── Selling.cs
├── Service/
│   ├── MonkeyService.cs
│   └── SellingService.cs
├── Tools/
│   ├── EchoTool.cs
│   ├── MonkeyTools.cs
│   └── SellingTool.cs
└── Program.cs

Configuration

To use this MCP server with Visual Studio Code, add the following configuration to your ./claude/claude_desktop_config.json:

{
    "mcpServers": {
        "weather": {
            "command": "dotnet",
            "args": [
                "run",
                "--project",
                "F:\\MyFirstMCP\\MyFirstMCP.csproj",
                "--no-build"
            ]
        }
    }
}

Make sure to update the project path to match your local environment.

Features

• MonkeyService: Fetches monkey data from an external API
• SellingService: Manages selling records
• MCP Tools: Provides command interfaces for the services

Getting Started

1. Clone the repository
2. Open the project in Visual Studio Code
3. Restore NuGet packages
4. Run the project

References

For more information about Model Context Protocol:

• Building an MCP Server in C#
• MCP Server Quick Start Guide

Dependencies

• Microsoft.Data.Sqlite (9.0.4)
• Microsoft.Extensions.Hosting (9.0.4)
• ModelContextProtocol (0.1.0-preview.7)