Merge pull request modelcontextprotocol#191 from nathanArseneau/show-all-notifications

Refactor notification handling to include all notifications

Author: olaservo

client/src/lib/hooks/useConnection.ts

@@ -19,6 +19,10 @@ import {
   McpError,
   CompleteResultSchema,
   ErrorCode,
+  CancelledNotificationSchema,
+  ResourceListChangedNotificationSchema,
+  ToolListChangedNotificationSchema,
+  PromptListChangedNotificationSchema,
 } from "@modelcontextprotocol/sdk/types.js";
 import { useState } from "react";
 import { toast } from "react-toastify";
@@ -250,20 +254,24 @@ export function useConnection({
       });
 
       if (onNotification) {
-        client.setNotificationHandler(
+        [
+          CancelledNotificationSchema,
           ProgressNotificationSchema,
-          onNotification,
-        );
-
-        client.setNotificationHandler(
+          LoggingMessageNotificationSchema,
           ResourceUpdatedNotificationSchema,
-          onNotification,
-        );
+          ResourceListChangedNotificationSchema,
+          ToolListChangedNotificationSchema,
+          PromptListChangedNotificationSchema,
+        ].forEach((notificationSchema) => {
+          client.setNotificationHandler(notificationSchema, onNotification);
+        });
 
-        client.setNotificationHandler(
-          LoggingMessageNotificationSchema,
-          onNotification,
-        );
+        client.fallbackNotificationHandler = (
+          notification: Notification,
+        ): Promise<void> => {
+          onNotification(notification);
+          return Promise.resolve();
+        };
       }
 
       if (onStdErrNotification) {

client/src/lib/notificationTypes.ts

@@ -14,7 +14,9 @@ export const StdErrNotificationSchema = BaseNotificationSchema.extend({
 
 export const NotificationSchema = ClientNotificationSchema.or(
   StdErrNotificationSchema,
-).or(ServerNotificationSchema);
+)
+  .or(ServerNotificationSchema)
+  .or(BaseNotificationSchema);
 
 export type StdErrNotification = z.infer<typeof StdErrNotificationSchema>;
 export type Notification = z.infer<typeof NotificationSchema>;