Implementation

Author: jeffkl

src/ProjectTemplates/Microsoft.Extensions.AI.Templates/src/McpServer/McpServer-CSharp/.template.config/dotnetcli.host.json

@@ -1,7 +1,24 @@
 {
   "$schema": "https://json.schemastore.org/dotnetcli.host",
-  "symbolInfo": {},
+  "symbolInfo": {
+    "TargetFrameworkOverride": {
+      "isHidden": "true",
+      "longName": "target-framework-override",
+      "shortName": ""
+    },
+    "Framework": {
+      "longName": "framework"
+    },
+    "NativeAot": {
+      "longName": "aot",
+      "shortName": ""
+    },
+    "SelfContained": {
+      "longName": "self-contained",
+      "shortName": ""
+    }
+  },
   "usageExamples": [
     ""
   ]
-}
+}

src/ProjectTemplates/Microsoft.Extensions.AI.Templates/src/McpServer/McpServer-CSharp/.template.config/ide.host.json

@@ -2,5 +2,14 @@
   "$schema": "https://json.schemastore.org/ide.host",
   "order": 0,
   "icon": "ide/icon.ico",
-  "symbolInfo": []
+  "symbolInfo": [
+    {
+      "id": "NativeAot",
+      "isVisible": true
+    },
+    {
+      "id": "SelfContained",
+      "isVisible": true
+    }
+  ]
 }

src/ProjectTemplates/Microsoft.Extensions.AI.Templates/src/McpServer/McpServer-CSharp/.template.config/template.json

@@ -18,9 +18,53 @@
     "type": "project"
   },
   "symbols": {
+    "TargetFrameworkOverride": {
+      "type": "parameter",
+      "description": "Overrides the target framework",
+      "displayName": "Target framework override",
+      "replaces": "TargetFrameworkOverride",
+      "datatype": "string",
+      "defaultValue": ""
+    },
+    "Framework": {
+      "type": "parameter",
+      "description": "The target framework for the project.",
+      "displayName": "Framework",
+      "datatype": "choice",
+      "choices": [
+        {
+          "choice": "net10.0",
+          "description": ".NET 10"
+        },
+        {
+          "choice": "net9.0",
+          "description": ".NET 9"
+        },
+        {
+          "choice": "net8.0",
+          "description": ".NET 8"
+        }
+      ],
+      "replaces": "net9.0",
+      "defaultValue": "net9.0"
+    },
     "hostIdentifier": {
       "type": "bind",
       "binding": "HostIdentifier"
+    },
+    "NativeAot": {
+      "type": "parameter",
+      "datatype": "bool",
+      "defaultValue": "false",
+      "displayName": "Enable _native AOT publish",
+      "description": "Whether to enable the MCP server for publishing as a native AOT application."
+    },
+    "SelfContained": {
+      "type": "parameter",
+      "datatype": "bool",
+      "defaultValue": "true",
+      "displayName": "Enable _self contained publish",
+      "description": "Whether to enable the MCP server for publishing as a self contained application."
     }
   },
   "primaryOutputs": [

src/ProjectTemplates/Microsoft.Extensions.AI.Templates/src/McpServer/McpServer-CSharp/McpServer-CSharp.csproj.in

@@ -1,15 +1,35 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework Condition="'$(TargetFrameworkOverride)' == ''">net9.0</TargetFramework>
+    <TargetFramework Condition="'$(TargetFrameworkOverride)' != ''">TargetFrameworkOverride</TargetFramework>
+    <!--#if (SelfContained || NativeAot)-->
+    <RuntimeIdentifiers>win-x64;win-arm64;osx-arm64;linux-x64;linux-arm64</RuntimeIdentifiers>
+    <!--#else-->
     <RollForward>Major</RollForward>
+    <!--#endif -->
     <OutputType>Exe</OutputType>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
 
     <!-- Set up the NuGet package to be an MCP server -->
     <PackAsTool>true</PackAsTool>
     <PackageType>McpServer</PackageType>
+    <!--#if (SelfContained || NativeAot)-->
+
+    <!-- Set up the MCP server to be a self-contained application that does not rely on a shared framework -->
+    <SelfContained>true</SelfContained>
+    <PublishSelfContained>true</PublishSelfContained>
+
+    <!-- Set up the MCP server to be a single file executable -->
+    <PublishSingleFile>true</PublishSingleFile>
+    <!--#endif -->
+    <!--#if (NativeAot)-->
+
+    <!-- Configure the MCP server to be a native AOT application with invariant globalization -->
+    <PublishAot>true</PublishAot>
+    <InvariantGlobalization>true</InvariantGlobalization>
+    <!--#endif -->
 
     <!-- Set recommended package metadata -->
     <PackageReadmeFile>README.md</PackageReadmeFile>