From 5f0193b23796102a4069a402218be1092be4f28b Mon Sep 17 00:00:00 2001
From: Jeremiah Lowin <153965+jlowin@users.noreply.github.com>
Date: Sat, 3 May 2025 12:15:07 -0400
Subject: [PATCH] Fix kwarg

---
 examples/serializer.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/serializer.py b/examples/serializer.py
index a791751d0..72e60843d 100644
--- a/examples/serializer.py
+++ b/examples/serializer.py
@@ -11,7 +11,7 @@ def custom_dict_serializer(data: Any) -> str:
     return yaml.dump(data, width=100, sort_keys=False)
 
 
-server = FastMCP(name="CustomSerializerExample", serializer=custom_dict_serializer)
+server = FastMCP(name="CustomSerializerExample", tool_serializer=custom_dict_serializer)
 
 
 @server.tool()