Allow subscribing to resources, but subscribe is only true if full set of handlers present.

Author: PederHP

src/ModelContextProtocol.Core/Server/McpServer.cs

@@ -308,7 +308,8 @@ await originalListResourceTemplatesHandler(request, cancellationToken).Configure
 
             listChanged = true;
 
-            subscribe = true;
+            // TODO: Implement subscribe/unsubscribe logic for resource and resource template collections
+            // subscribe = true;
         }
 
         ServerCapabilities.Resources.ListResourcesHandler = listResourcesHandler;

src/ModelContextProtocol/McpServerHandlers.cs

@@ -188,12 +188,17 @@ internal void OverwriteWithSetHandlers(McpServerOptions options)
 
             if (SubscribeToResourcesHandler is not null || UnsubscribeFromResourcesHandler is not null)
             {
-                resourcesCapability.SubscribeToResourcesHandler = SubscribeToResourcesHandler ?? resourcesCapability.SubscribeToResourcesHandler;
-                resourcesCapability.UnsubscribeFromResourcesHandler = UnsubscribeFromResourcesHandler ?? resourcesCapability.UnsubscribeFromResourcesHandler;
                 resourcesCapability.Subscribe = true;
             }
         }
 
+        if (SubscribeToResourcesHandler is not null || UnsubscribeFromResourcesHandler is not null)
+        {
+            resourcesCapability.SubscribeToResourcesHandler = SubscribeToResourcesHandler ?? resourcesCapability.SubscribeToResourcesHandler;
+            resourcesCapability.UnsubscribeFromResourcesHandler = UnsubscribeFromResourcesHandler ?? resourcesCapability.UnsubscribeFromResourcesHandler;
+        }
+
+
         ToolsCapability? toolsCapability = options.Capabilities?.Tools;
         if (ListToolsHandler is not null || CallToolHandler is not null)
         {