AspNetCoreMcpServer 能加到 dify 中

ConsoleEchoMcpServer/ConsoleEchoMcpServer.csproj

@@ -2,12 +2,13 @@
 
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFramework>net8.0</TargetFramework>
+        <TargetFramework>net9.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
     </PropertyGroup>
 
     <ItemGroup>
+      <PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.0" />
       <PackageReference Include="ModelContextProtocol" Version="0.4.0-preview.3" />
     </ItemGroup>
 

ConsoleEchoMcpServer/Program.cs

@@ -1,3 +1,14 @@
-// See https://aka.ms/new-console-template for more information
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using System.ComponentModel;
+using ConsoleEchoMcpServer.Tools;
+
+var builder = Host.CreateEmptyApplicationBuilder(settings: null);
+builder.Services
+    .AddMcpServer()
+    .WithStdioServerTransport()
+    .WithTools<EchoTool>();
+     
+await builder.Build().RunAsync();
+
 
-Console.WriteLine("Hello, World!");

ConsoleEchoMcpServer/Tools/EchoTool.cs

@@ -0,0 +1,14 @@
+using System.ComponentModel;
+using ModelContextProtocol.Server;
+
+namespace ConsoleEchoMcpServer.Tools;
+
+[McpServerToolType]
+public sealed 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.")]
+    public static string ReverseEcho(string message) => string.Concat(message.Reverse());
+}