diff --git a/navi/main.py b/navi/main.py
index 2e0b849..581d030 100644
--- a/navi/main.py
+++ b/navi/main.py
@@ -86,7 +86,7 @@
         mcp_manager = await get_mcp_manager()
         tool_registry = get_tool_registry()
         await register_mcp_tools(tool_registry, mcp_manager)
-        for tool_name in ("reload_tools", "mcp_status"):
+        for tool_name in ("reload_tools", "mcp_status", "spawn_agent"):
             tool = tool_registry.get(tool_name)
             if hasattr(tool, "_mcp_manager"):
                 tool._mcp_manager = mcp_manager
diff --git a/navi/tools/spawn_agent.py b/navi/tools/spawn_agent.py
index 8f1214c..cdb416a 100644
--- a/navi/tools/spawn_agent.py
+++ b/navi/tools/spawn_agent.py
@@ -84,12 +84,14 @@
         backend_registry,
         session_store,
         memory_store=None,
+        mcp_manager=None,
     ) -> None:
         self._profile_registry = profile_registry
         self._tool_registry = tool_registry
         self._backend_registry = backend_registry
         self._session_store = session_store
         self._memory_store = memory_store
+        self._mcp_manager = mcp_manager
 
     async def execute(self, params: dict) -> ToolResult:
         # Import here to avoid module-level circular import
@@ -145,6 +147,7 @@
             backend_registry=self._backend_registry,
             workers=[],                  # no post-response workers for sub-agents
             memory_store=self._memory_store,
+            mcp_manager=self._mcp_manager,
         )
 
         try: