diff --git a/src/Infrastructure/BotSharp.Abstraction/Plugins/PluginLoaderSettings.cs b/src/Infrastructure/BotSharp.Abstraction/Plugins/PluginLoaderSettings.cs
index 1a08fc5ba..70564846f 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Plugins/PluginLoaderSettings.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Plugins/PluginLoaderSettings.cs
@@ -3,6 +3,4 @@ namespace BotSharp.Abstraction.Plugins;
 public class PluginSettings
 {
     public string[] Assemblies { get; set; } = new string[0];
-
-    public string[] ExcludedFunctions { get; set; } = new string[0];
 }
diff --git a/src/Infrastructure/BotSharp.Core/BotSharpCoreExtensions.cs b/src/Infrastructure/BotSharp.Core/BotSharpCoreExtensions.cs
index 5c00de0d2..bfae45bac 100644
--- a/src/Infrastructure/BotSharp.Core/BotSharpCoreExtensions.cs
+++ b/src/Infrastructure/BotSharp.Core/BotSharpCoreExtensions.cs
@@ -125,7 +125,6 @@ public static void RegisterPlugins(IServiceCollection services, IConfiguration c
     {
         var pluginSettings = new PluginSettings();
         config.Bind("PluginLoader", pluginSettings);
-        var excludedFunctions = pluginSettings.ExcludedFunctions ?? [];
 
         services.AddScoped(provider =>
         {
@@ -143,8 +142,7 @@ public static void RegisterPlugins(IServiceCollection services, IConfiguration c
             // Register function callback
             var functions = assembly.GetTypes()
                 .Where(x => x.IsClass
-                        && x.GetInterface(nameof(IFunctionCallback)) != null
-                        && !excludedFunctions.Contains(x.Name))
+                        && x.GetInterface(nameof(IFunctionCallback)) != null)
                 .ToArray();
 
             foreach (var function in functions)
diff --git a/src/Plugins/BotSharp.Plugin.ChatHub/Hooks/ChatHubConversationHook.cs b/src/Plugins/BotSharp.Plugin.ChatHub/Hooks/ChatHubConversationHook.cs
index e07f94d47..3831ecd78 100644
--- a/src/Plugins/BotSharp.Plugin.ChatHub/Hooks/ChatHubConversationHook.cs
+++ b/src/Plugins/BotSharp.Plugin.ChatHub/Hooks/ChatHubConversationHook.cs
@@ -45,7 +45,6 @@ public override async Task OnConversationInitialized(Conversation conversation)
         var user = await userService.GetUser(conv.User.Id);
         conv.User = UserDto.FromUser(user);
 
-        //await InitClientConversation(conv.Id, conv);
         await SendEvent(ChatEvent.OnConversationInitFromClient, conv.Id, conv);
         await base.OnConversationInitialized(conversation);
     }
@@ -172,7 +171,8 @@ private bool AllowSendingMessage()
     private async Task SendEvent<T>(string @event, string conversationId, T data, [CallerMemberName] string callerName = "")
     {
         var user = _services.GetRequiredService<IUserIdentity>();
-        await EventEmitter.SendChatEvent(_services, _logger, @event, conversationId, user?.Id, data, nameof(ChatHubConversationHook), callerName);
+        var json = JsonSerializer.Serialize(data, _options.JsonSerializerOptions);
+        await EventEmitter.SendChatEvent(_services, _logger, @event, conversationId, user?.Id, json, nameof(ChatHubConversationHook), callerName);
     }
     #endregion
 }
diff --git a/src/Plugins/BotSharp.Plugin.ChatHub/Hooks/ChatHubCrontabHook.cs b/src/Plugins/BotSharp.Plugin.ChatHub/Hooks/ChatHubCrontabHook.cs
index f965d28ef..dd584f172 100644
--- a/src/Plugins/BotSharp.Plugin.ChatHub/Hooks/ChatHubCrontabHook.cs
+++ b/src/Plugins/BotSharp.Plugin.ChatHub/Hooks/ChatHubCrontabHook.cs
@@ -54,7 +54,8 @@ private async Task SendEvent(CrontabItem item, ChatResponseDto data)
     {
         try
         {
-            await _chatHub.Clients.User(item.UserId).SendAsync(ChatEvent.OnNotificationGenerated, data);
+            var json = JsonSerializer.Serialize(data, _options.JsonSerializerOptions);
+            await _chatHub.Clients.User(item.UserId).SendAsync(ChatEvent.OnNotificationGenerated, json);
         }
         catch { }
     }
diff --git a/src/Plugins/BotSharp.Plugin.ChatHub/Hooks/StreamingLogHook.cs b/src/Plugins/BotSharp.Plugin.ChatHub/Hooks/StreamingLogHook.cs
index 86adaf2c5..7156f29f9 100644
--- a/src/Plugins/BotSharp.Plugin.ChatHub/Hooks/StreamingLogHook.cs
+++ b/src/Plugins/BotSharp.Plugin.ChatHub/Hooks/StreamingLogHook.cs
@@ -61,7 +61,6 @@ public override async Task OnMessageReceived(RoleDialogModel message)
             Source = ContentLogSource.UserInput,
             Log = log
         };
-        //await SendContentLog(conversationId, input);
         await SendEvent(ChatEvent.OnConversationContentLogGenerated, conversationId, BuildContentLog(input));
     }
 
@@ -80,7 +79,6 @@ public override async Task OnPostbackMessageReceived(RoleDialogModel message, Po
             Source = ContentLogSource.UserInput,
             Log = log
         };
-        //await SendContentLog(conversationId, input);
         await SendEvent(ChatEvent.OnConversationContentLogGenerated, conversationId, BuildContentLog(input));
     }
 
@@ -110,7 +108,6 @@ public async Task OnSessionUpdated(Agent agent, string instruction, FunctionDef[
             Source = ContentLogSource.Prompt,
             Log = log
         };
-        //await SendContentLog(conversationId, input);
         await SendEvent(ChatEvent.OnConversationContentLogGenerated, conversationId, BuildContentLog(input));
     }
 
@@ -133,7 +130,6 @@ public async Task OnRenderingTemplate(Agent agent, string name, string content)
             Source = ContentLogSource.HardRule,
             Log = log
         };
-        //await SendContentLog(conversationId, input);
         await SendEvent(ChatEvent.OnConversationContentLogGenerated, conversationId, BuildContentLog(input));
     }
 
@@ -162,7 +158,6 @@ public override async Task OnFunctionExecuting(RoleDialogModel message, InvokeFu
             Source = ContentLogSource.FunctionCall,
             Log = log
         };
-        //await SendContentLog(conversationId, input);
         await SendEvent(ChatEvent.OnConversationContentLogGenerated, conversationId, BuildContentLog(input));
     }
 
@@ -184,7 +179,6 @@ public override async Task OnFunctionExecuted(RoleDialogModel message, InvokeFun
             Source = ContentLogSource.FunctionCall,
             Log = log
         };
-        //await SendContentLog(conversationId, input);
         await SendEvent(ChatEvent.OnConversationContentLogGenerated, conversationId, BuildContentLog(input));
     }
 
@@ -212,7 +206,6 @@ public async Task AfterGenerated(RoleDialogModel message, TokenStatsModel tokenS
             Source = ContentLogSource.Prompt,
             Log = log
         };
-        //await SendContentLog(conversationId, input);
         await SendEvent(ChatEvent.OnConversationContentLogGenerated, conversationId, BuildContentLog(input));
     }
 
@@ -477,7 +470,8 @@ public async Task OnRoutingInstructionRevised(FunctionCallFromLlm instruct, Role
     private async Task SendEvent<T>(string @event, string conversationId, T data, [CallerMemberName] string callerName = "")
     {
         var user = _services.GetRequiredService<IUserIdentity>();
-        await EventEmitter.SendChatEvent(_services, _logger, @event, conversationId, user?.Id, data, nameof(StreamingLogHook), callerName);
+        var json = JsonSerializer.Serialize(data, _options.JsonSerializerOptions);
+        await EventEmitter.SendChatEvent(_services, _logger, @event, conversationId, user?.Id, json, nameof(StreamingLogHook), callerName);
     }
 
     private ContentLogOutputModel BuildContentLog(ContentLogInputModel input)
diff --git a/src/Plugins/BotSharp.Plugin.ChatHub/Hooks/WelcomeHook.cs b/src/Plugins/BotSharp.Plugin.ChatHub/Hooks/WelcomeHook.cs
index 8a1845687..3fbd852e1 100644
--- a/src/Plugins/BotSharp.Plugin.ChatHub/Hooks/WelcomeHook.cs
+++ b/src/Plugins/BotSharp.Plugin.ChatHub/Hooks/WelcomeHook.cs
@@ -89,6 +89,7 @@ public override async Task OnUserAgentConnectedInitially(Conversation conversati
     private async Task SendEvent<T>(string @event, string conversationId, T data, [CallerMemberName] string callerName = "")
     {
         var user = _services.GetRequiredService<IUserIdentity>();
-        await EventEmitter.SendChatEvent(_services, _logger, @event, conversationId, user?.Id, data, nameof(WelcomeHook), callerName);
+        var json = JsonSerializer.Serialize(data, _options.JsonSerializerOptions);
+        await EventEmitter.SendChatEvent(_services, _logger, @event, conversationId, user?.Id, json, nameof(WelcomeHook), callerName);
     }
 }
diff --git a/src/Plugins/BotSharp.Plugin.ChatHub/Observers/ChatHubObserver.cs b/src/Plugins/BotSharp.Plugin.ChatHub/Observers/ChatHubObserver.cs
index 9b5a97e54..03a56d47b 100644
--- a/src/Plugins/BotSharp.Plugin.ChatHub/Observers/ChatHubObserver.cs
+++ b/src/Plugins/BotSharp.Plugin.ChatHub/Observers/ChatHubObserver.cs
@@ -9,14 +9,17 @@ namespace BotSharp.Plugin.ChatHub.Observers;
 
 public class ChatHubObserver : BotSharpObserverBase<HubObserveData<RoleDialogModel>>
 {
-    private readonly ILogger _logger;
     private readonly IServiceProvider _services;
+    private readonly BotSharpOptions _options;
+    private readonly ILogger _logger;
 
     public ChatHubObserver(
         IServiceProvider services,
+        BotSharpOptions options,
         ILogger<ChatHubObserver> logger) : base()
     {
         _services = services;
+        _options = options;
         _logger = logger;
     }
 
@@ -133,7 +136,8 @@ private bool AllowSendingMessage()
     private void SendEvent<T>(string @event, string conversationId, T data, [CallerMemberName] string callerName = "")
     {
         var user = _services.GetRequiredService<IUserIdentity>();
-        EventEmitter.SendChatEvent(_services, _logger, @event, conversationId, user?.Id, data, nameof(ChatHubObserver), callerName)
+        var json = JsonSerializer.Serialize(data, _options.JsonSerializerOptions);
+        EventEmitter.SendChatEvent(_services, _logger, @event, conversationId, user?.Id, json, nameof(ChatHubObserver), callerName)
                      .ConfigureAwait(false).GetAwaiter().GetResult();
     }
     #endregion
diff --git a/src/WebStarter/appsettings.json b/src/WebStarter/appsettings.json
index 4e7a42633..1e0365ee5 100644
--- a/src/WebStarter/appsettings.json
+++ b/src/WebStarter/appsettings.json
@@ -541,9 +541,6 @@
       "BotSharp.Plugin.AudioHandler",
       "BotSharp.Plugin.ChartHandler",
       "BotSharp.Plugin.TencentCos"
-    ],
-    "ExcludedFunctions": [
-      "McpToolAdapter"
     ]
   }
 }