diff --git a/src/ClaudeDo.Worker/Program.cs b/src/ClaudeDo.Worker/Program.cs
index 70abb6bc..79eb4342 100644
--- a/src/ClaudeDo.Worker/Program.cs
+++ b/src/ClaudeDo.Worker/Program.cs
@@ -338,6 +338,7 @@ if (cfg.ExternalMcpPort > 0)
 
     externalBuilder.Services.AddSingleton(cfg);
     Share<HubBroadcaster>();
+    Share<ConnectedClientTracker>();
     Share<QueueService>();
     Share<OverrideSlotService>();
     Share<IDbContextFactory<ClaudeDoDbContext>>();