Get session id sample code #564

ModelContextProtocol.slnx

@@ -9,6 +9,7 @@
     <File Path=".github/workflows/release.yml" />
   </Folder>
   <Folder Name="/samples/">
+    <Project Path="samples/GetSessionId/GetSessionId.csproj" Id="b90422b8-777b-45ce-84d8-5ca8395bd818" />
     <Project Path="samples/AspNetCoreSseServer/AspNetCoreSseServer.csproj" />
     <Project Path="samples/ChatWithTools/ChatWithTools.csproj" />
     <Project Path="samples/EverythingServer/EverythingServer.csproj" />

samples/GetSessionId/GetSessionId.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+	<PropertyGroup>
+		<TargetFramework>net9.0</TargetFramework>
+		<Nullable>enable</Nullable>
+		<ImplicitUsings>enable</ImplicitUsings>
+	</PropertyGroup>
+
+	<ItemGroup>
+	  <ProjectReference Include="..\..\src\ModelContextProtocol.AspNetCore\ModelContextProtocol.AspNetCore.csproj" />
+	  <ProjectReference Include="..\..\src\ModelContextProtocol\ModelContextProtocol.csproj" />
+	</ItemGroup>
+</Project>

samples/GetSessionId/GetSessionId.http

@@ -0,0 +1,6 @@
+@GetSessionId_HostAddress = http://localhost:5002
+
+GET {{GetSessionId_HostAddress}}/weatherforecast/
+Accept: application/json
+
+###

samples/GetSessionId/GetSessionIdTool.cs

@@ -0,0 +1,16 @@
+using ModelContextProtocol.Server;
+using System.ComponentModel;
+
+[McpServerToolType]
+public class GetSessionIdTool
+{
+    public GetSessionIdTool()
+    {
+    }
+
+    [McpServerTool(Name = "get_session"), Description("Returns current session id")]
+    public async Task<string?> GetSession(IMcpServer mcpServer)
+    {
+        return mcpServer.SessionId;
+    }
+}

samples/GetSessionId/Program.cs

@@ -0,0 +1,15 @@
+using Microsoft.Extensions.DependencyInjection;
+using ModelContextProtocol.Server;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services
+    .AddMcpServer()
+    .WithHttpTransport()
+    .WithToolsFromAssembly();
+
+var app = builder.Build();
+
+app.MapMcp("/mcp");
+
+app.Run();

samples/GetSessionId/Properties/launchSettings.json

@@ -0,0 +1,14 @@
+{
+  "$schema": "https://json.schemastore.org/launchsettings.json",
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "applicationUrl": "http://localhost:5002",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

samples/GetSessionId/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

samples/GetSessionId/appsettings.json

@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}