From c8f39f11fb3aac053deabf15eb9757fde1ca3e96 Mon Sep 17 00:00:00 2001
From: tymmkang <tymmkang@gmail.com>
Date: Thu, 29 May 2025 23:00:05 +0900
Subject: [PATCH] =?UTF-8?q?ms=EC=97=90=20=EC=98=88=EC=A0=9C=20=EB=94=B0?=
 =?UTF-8?q?=EB=9D=BC=20=EA=B5=AC=ED=98=84?=
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---
 Program.cs | 47 ++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 40 insertions(+), 7 deletions(-)

diff --git a/Program.cs b/Program.cs
index 615e0e9..f96ea9f 100644
--- a/Program.cs
+++ b/Program.cs
@@ -1,7 +1,40 @@
-internal class Program
-{
-    private static void Main(string[] args)
-    {
-        Console.WriteLine("Hello, World!");
-    }
-}
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using ModelContextProtocol.Server;
+using System.ComponentModel;
+
+internal class Program
+{
+    private static async Task Main(string[] args)
+    {
+        var builder = Host.CreateApplicationBuilder(args);
+        builder.Logging.AddConsole(consoleLoggerOptions =>
+        { 
+            consoleLoggerOptions.LogToStandardErrorThreshold = LogLevel.Trace;
+        });
+
+        builder.Services.
+            AddMcpServer().
+            WithStdioServerTransport().
+            WithToolsFromAssembly();
+
+        await builder.Build().RunAsync();
+    }
+}
+
+[McpServerToolType]
+public static class EchoTool
+{
+    [McpServerTool, Description("Echoes the message back to the client.")]
+    public static string Echo(string message) => $"Hello from C#: {message}";
+
+    [McpServerTool, Description("Echoes in reverse the message sent by the client.")]
+    public static string ReverseEcho(string message)
+    {
+        char[] charArray = message.ToCharArray();
+        Array.Reverse(charArray);
+        var reversed = new string(charArray);
+        return reversed;
+    }
+}