From 85eedab29d1ca8d7822b3d4fd041a74339fadf8b Mon Sep 17 00:00:00 2001
From: wagesj45 <jordan@jordanwages.com>
Date: Tue, 18 Aug 2026 22:48:37 -0500
Subject: [PATCH] Add support for stdio-based server mode alongside HTTP
 service integration

---
 src/cs-mic-mcp/Program.cs                     | 77 ++++++++++---------
 src/cs-mic-mcp/Properties/launchSettings.json | 10 ++-
 2 files changed, 46 insertions(+), 41 deletions(-)

diff --git a/src/cs-mic-mcp/Program.cs b/src/cs-mic-mcp/Program.cs
index ab9c278..70aa96d 100644
--- a/src/cs-mic-mcp/Program.cs
+++ b/src/cs-mic-mcp/Program.cs
@@ -1,5 +1,6 @@
 using cs_mic_mcp.Resources;
 using cs_mic_mcp.Tools;
+using Microsoft.AspNetCore.Localization;
 
 namespace cs_mic_mcp;
 
@@ -7,49 +8,51 @@ public class Program
 {
     public static void Main(string[] args)
     {
-        var builder = WebApplication.CreateBuilder(args);
-
-        builder.Services
-            .AddMcpServer()
-            //.WithStdioServerTransport()
-            .WithHttpTransport()
-            .WithTools<MathTools>()
-            .WithResources<DocumentationResources>();
-        
-        builder.Services.AddCors(options =>
+        if (args.Contains("--stdio", StringComparer.InvariantCultureIgnoreCase))
         {
-            options.AddDefaultPolicy(policy =>
-            {
-                policy
-                    .AllowAnyOrigin()
-                    .AllowAnyHeader()
-                    .AllowAnyMethod()
-                    .WithExposedHeaders("Mcp-Session-Id");
-            });
-        });
+            // stdio pipeline - local only
+            var builder = Host.CreateApplicationBuilder(args);
 
-        // Add services to the container.
-
-        //builder.Services.AddControllers();
-
-        // Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
-        //builder.Services.AddOpenApi();
-
-        var app = builder.Build();
-        app.UseCors();
-
-        // Configure the HTTP request pipeline.
-        if (app.Environment.IsDevelopment())
-        {
-            //app.MapOpenApi();
+            builder.Services
+                .AddMcpServer()
+                .WithStdioServerTransport()
+                .WithTools<MathTools>()
+                .WithResources<DocumentationResources>();
+            
+            var app = builder.Build();
+            
+            app.Run();
         }
+        else
+        {
+            // web pipeline - http service
+            var builder = WebApplication.CreateBuilder(args);
 
-        //app.UseAuthorization();
+            builder.Services
+                .AddMcpServer()
+                .WithHttpTransport()
+                .WithTools<MathTools>()
+                .WithResources<DocumentationResources>();
+        
+            builder.Services.AddCors(options =>
+            {
+                options.AddDefaultPolicy(policy =>
+                {
+                    policy
+                        .AllowAnyOrigin()
+                        .AllowAnyHeader()
+                        .AllowAnyMethod()
+                        .WithExposedHeaders("Mcp-Session-Id");
+                });
+            });
 
+            var app = builder.Build();
+            app.UseCors();
 
-        //app.MapControllers();
-        app.MapMcp("/mcp");
+            app.MapMcp("/mcp");
 
-        app.Run();
+            app.Run();
+        }
+        
     }
 }
\ No newline at end of file
diff --git a/src/cs-mic-mcp/Properties/launchSettings.json b/src/cs-mic-mcp/Properties/launchSettings.json
index 089f4eb..e1e512e 100644
--- a/src/cs-mic-mcp/Properties/launchSettings.json
+++ b/src/cs-mic-mcp/Properties/launchSettings.json
@@ -5,10 +5,12 @@
       "commandName": "Project",
       "dotnetRunMessages": true,
       "launchBrowser": false,
-      "applicationUrl": "http://localhost:5017",
-      "environmentVariables": {
-        "ASPNETCORE_ENVIRONMENT": "Development"
-      }
+      "applicationUrl": "http://localhost:5000"
+    },
+    "stdio": {
+      "commandName": "Project",
+      "commandLineArgs": "--stdio",
+      "dotnetRunMessages": false
     }
   }
 }