diff --git a/test/mcp/package-lock.json b/test/mcp/package-lock.json
index ea829ed8063..6ddcecd9f23 100644
--- a/test/mcp/package-lock.json
+++ b/test/mcp/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.1.0",
       "license": "MIT",
       "dependencies": {
-        "@modelcontextprotocol/sdk": "^1.17.3",
+        "@modelcontextprotocol/sdk": "^1.18.2",
         "@playwright/mcp": "^0.0.37",
         "cors": "^2.8.5",
         "express": "^5.1.0",
@@ -27,9 +27,9 @@
       }
     },
     "node_modules/@modelcontextprotocol/sdk": {
-      "version": "1.17.3",
-      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.17.3.tgz",
-      "integrity": "sha512-JPwUKWSsbzx+DLFznf/QZ32Qa+ptfbUlHhRLrBQBAFu9iI1iYvizM4p+zhhRDceSsPutXp4z+R/HPVphlIiclg==",
+      "version": "1.18.2",
+      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.18.2.tgz",
+      "integrity": "sha512-beedclIvFcCnPrYgHsylqiYJVJ/CI47Vyc4tY8no1/Li/O8U4BTlJfy6ZwxkYwx+Mx10nrgwSVrA7VBbhh4slg==",
       "license": "MIT",
       "dependencies": {
         "ajv": "^6.12.6",
diff --git a/test/mcp/package.json b/test/mcp/package.json
index 3ff8dce77cb..a2542162b3b 100644
--- a/test/mcp/package.json
+++ b/test/mcp/package.json
@@ -12,7 +12,7 @@
     "start-stdio": "npm run -s compile && node ./out/stdio.js"
   },
   "dependencies": {
-    "@modelcontextprotocol/sdk": "^1.17.3",
+    "@modelcontextprotocol/sdk": "^1.18.2",
     "@playwright/mcp": "^0.0.37",
     "cors": "^2.8.5",
     "express": "^5.1.0",
diff --git a/test/mcp/src/automationTools/settings.ts b/test/mcp/src/automationTools/settings.ts
index dad9f77c6fc..dc8cb9fb802 100644
--- a/test/mcp/src/automationTools/settings.ts
+++ b/test/mcp/src/automationTools/settings.ts
@@ -37,12 +37,12 @@ export function applySettingsTools(server: McpServer, appService: ApplicationSer
 		'vscode_automation_settings_add_user_settings',
 		'Add multiple user settings at once',
 		{
-			settings: z.array(z.tuple([z.string(), z.string()])).describe('Array of [key, value] setting pairs')
+			settings: z.array(z.array(z.string()).length(2)).describe('Array of [key, value] setting pairs')
 		},
 		async (args) => {
 			const { settings } = args;
 			const app = await appService.getOrCreateApplication();
-			await app.workbench.settingsEditor.addUserSettings(settings);
+			await app.workbench.settingsEditor.addUserSettings(settings as [string, string][]);
 			return {
 				content: [{
 					type: 'text' as const,