From bcf9862937aceed28cbb59eff143d4a0224aa203 Mon Sep 17 00:00:00 2001
From: Justin Spahr-Summers <justin@anthropic.com>
Date: Mon, 4 Nov 2024 20:50:12 +0000
Subject: [PATCH] `progressToken` should be required in progress notifications

---
 src/types.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/types.ts b/src/types.ts
index aa2c6970..8fd47863 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -338,7 +338,7 @@ export const ProgressNotificationSchema = NotificationSchema.extend({
     /**
      * The progress token which was given in the initial request, used to associate this notification with the request that is proceeding.
      */
-    progressToken: z.optional(ProgressTokenSchema),
+    progressToken: ProgressTokenSchema,
   }),
 });