Upgrade to SDK 0.5.0

client/src/App.tsx

@@ -357,10 +357,21 @@ const App = () => {
 
   const connectMcpServer = async () => {
     try {
-      const client = new Client({
-        name: "mcp-inspector",
-        version: "0.0.1",
-      });
+      const client = new Client(
+        {
+          name: "mcp-inspector",
+          version: "0.0.1",
+        },
+        {
+          capabilities: {
+            // Support all client capabilities since we're an inspector tool
+            sampling: {},
+            roots: {
+              listChanged: true,
+            },
+          },
+        },
+      );
 
       const backendUrl = new URL("http://localhost:3000/sse");
 

client/src/components/ToolsTab.tsx

@@ -41,11 +41,12 @@ const ToolsTab = ({
 
     if ("content" in toolResult) {
       const structuredResult = toolResult as CallToolResult;
+      const isError = structuredResult.isError ?? false;
 
       return (
         <>
           <h4 className="font-semibold mb-2">
-            Tool Result: {structuredResult.isError ? "Error" : "Success"}
+            Tool Result: {isError ? "Error" : "Success"}
           </h4>
           {structuredResult.content.map((item, index) => (
             <div key={index} className="mb-2">