mcp: add icon + website for testing SEP-974

Author: jesselumarie

cli/package.json

@@ -24,7 +24,7 @@
   },
   "devDependencies": {},
   "dependencies": {
-    "@modelcontextprotocol/sdk": "^1.17.5",
+    "@modelcontextprotocol/sdk": "file:../../typescript-sdk",
     "commander": "^13.1.0",
     "spawn-rx": "^5.1.2"
   }

client/package.json

@@ -25,7 +25,7 @@
     "cleanup:e2e": "node e2e/global-teardown.js"
   },
   "dependencies": {
-    "@modelcontextprotocol/sdk": "^1.17.5",
+    "@modelcontextprotocol/sdk": "file:../../typescript-sdk",
     "@radix-ui/react-checkbox": "^1.1.4",
     "@radix-ui/react-dialog": "^1.1.3",
     "@radix-ui/react-icons": "^1.3.0",

client/src/App.tsx

@@ -198,6 +198,7 @@ const App = () => {
   const {
     connectionStatus,
     serverCapabilities,
+    serverImplementation,
     mcpClient,
     requestHistory,
     makeRequest,
@@ -818,6 +819,7 @@ const App = () => {
           logLevel={logLevel}
           sendLogLevelRequest={sendLogLevelRequest}
           loggingSupported={!!serverCapabilities?.logging || false}
+          serverImplementation={serverImplementation}
         />
         <div
           onMouseDown={handleSidebarDragStart}

client/src/__tests__/App.routing.test.tsx

@@ -40,6 +40,7 @@ jest.mock("../utils/configUtils", () => ({
 const disconnectedConnectionState = {
   connectionStatus: "disconnected" as const,
   serverCapabilities: null,
+  serverImplementation: null,
   mcpClient: null,
   requestHistory: [],
   makeRequest: jest.fn(),

client/src/components/IconDisplay.tsx

@@ -0,0 +1,57 @@
+// Define Icon type locally since it might not be exported yet
+interface Icon {
+  src: string;
+  mimeType?: string;
+  sizes?: string;
+}
+
+// Helper type for objects that may have icons
+export interface WithIcons {
+  icons?: Icon[];
+}
+
+interface IconDisplayProps {
+  icons?: Icon[];
+  className?: string;
+  size?: "sm" | "md" | "lg";
+}
+
+const IconDisplay = ({
+  icons,
+  className = "",
+  size = "md",
+}: IconDisplayProps) => {
+  if (!icons || icons.length === 0) {
+    return null;
+  }
+
+  const sizeClasses = {
+    sm: "w-4 h-4",
+    md: "w-6 h-6",
+    lg: "w-8 h-8",
+  };
+
+  const sizeClass = sizeClasses[size];
+
+  return (
+    <div className={`flex gap-1 ${className}`}>
+      {icons.map((icon, index) => (
+        <img
+          key={index}
+          src={icon.src}
+          alt=""
+          className={`${sizeClass} object-contain flex-shrink-0`}
+          style={{
+            imageRendering: "auto",
+          }}
+          onError={(e) => {
+            // Hide broken images
+            e.currentTarget.style.display = "none";
+          }}
+        />
+      ))}
+    </div>
+  );
+};
+
+export default IconDisplay;

client/src/components/PromptsTab.tsx

@@ -14,6 +14,7 @@ import { useEffect, useState } from "react";
 import ListPane from "./ListPane";
 import { useCompletionState } from "@/lib/hooks/useCompletionState";
 import JsonView from "./JsonView";
+import IconDisplay from "./IconDisplay";
 
 export type Prompt = {
   name: string;
@@ -23,6 +24,7 @@ export type Prompt = {
     description?: string;
     required?: boolean;
   }[];
+  icons?: { src: string; mimeType?: string; sizes?: string }[];
 };
 
 const PromptsTab = ({
@@ -101,7 +103,10 @@ const PromptsTab = ({
           }}
           renderItem={(prompt) => (
             <div className="flex flex-col items-start">
-              <span className="flex-1">{prompt.name}</span>
+              <div className="flex items-center gap-2 w-full">
+                <IconDisplay icons={prompt.icons} size="sm" />
+                <span className="flex-1">{prompt.name}</span>
+              </div>
               <span className="text-sm text-gray-500 text-left">
                 {prompt.description}
               </span>
@@ -114,9 +119,14 @@ const PromptsTab = ({
 
         <div className="bg-card border border-border rounded-lg shadow">
           <div className="p-4 border-b border-gray-200 dark:border-border">
-            <h3 className="font-semibold">
-              {selectedPrompt ? selectedPrompt.name : "Select a prompt"}
-            </h3>
+            <div className="flex items-center gap-2">
+              {selectedPrompt && (
+                <IconDisplay icons={selectedPrompt.icons} size="md" />
+              )}
+              <h3 className="font-semibold">
+                {selectedPrompt ? selectedPrompt.name : "Select a prompt"}
+              </h3>
+            </div>
           </div>
           <div className="p-4">
             {error ? (

client/src/components/ResourcesTab.tsx

@@ -17,6 +17,7 @@ import { useEffect, useState } from "react";
 import { useCompletionState } from "@/lib/hooks/useCompletionState";
 import JsonView from "./JsonView";
 import { UriTemplate } from "@modelcontextprotocol/sdk/shared/uriTemplate.js";
+import IconDisplay, { WithIcons } from "./IconDisplay";
 
 const ResourcesTab = ({
   resources,
@@ -129,7 +130,16 @@ const ResourcesTab = ({
           }}
           renderItem={(resource) => (
             <div className="flex items-center w-full">
-              <FileText className="w-4 h-4 mr-2 flex-shrink-0 text-gray-500" />
+              {(resource as WithIcons).icons &&
+              (resource as WithIcons).icons!.length > 0 ? (
+                <IconDisplay
+                  icons={(resource as WithIcons).icons}
+                  size="sm"
+                  className="mr-2"
+                />
+              ) : (
+                <FileText className="w-4 h-4 mr-2 flex-shrink-0 text-gray-500" />
+              )}
               <span className="flex-1 truncate" title={resource.uri.toString()}>
                 {resource.name}
               </span>
@@ -159,7 +169,16 @@ const ResourcesTab = ({
           }}
           renderItem={(template) => (
             <div className="flex items-center w-full">
-              <FileText className="w-4 h-4 mr-2 flex-shrink-0 text-gray-500" />
+              {(template as WithIcons).icons &&
+              (template as WithIcons).icons!.length > 0 ? (
+                <IconDisplay
+                  icons={(template as WithIcons).icons}
+                  size="sm"
+                  className="mr-2"
+                />
+              ) : (
+                <FileText className="w-4 h-4 mr-2 flex-shrink-0 text-gray-500" />
+              )}
               <span className="flex-1 truncate" title={template.uriTemplate}>
                 {template.name}
               </span>
@@ -175,16 +194,30 @@ const ResourcesTab = ({
 
         <div className="bg-card border border-border rounded-lg shadow">
           <div className="p-4 border-b border-gray-200 dark:border-border flex justify-between items-center">
-            <h3
-              className="font-semibold truncate"
-              title={selectedResource?.name || selectedTemplate?.name}
-            >
-              {selectedResource
-                ? selectedResource.name
-                : selectedTemplate
-                  ? selectedTemplate.name
-                  : "Select a resource or template"}
-            </h3>
+            <div className="flex items-center gap-2 min-w-0">
+              {selectedResource && (selectedResource as WithIcons).icons && (
+                <IconDisplay
+                  icons={(selectedResource as WithIcons).icons}
+                  size="md"
+                />
+              )}
+              {selectedTemplate && (selectedTemplate as WithIcons).icons && (
+                <IconDisplay
+                  icons={(selectedTemplate as WithIcons).icons}
+                  size="md"
+                />
+              )}
+              <h3
+                className="font-semibold truncate"
+                title={selectedResource?.name || selectedTemplate?.name}
+              >
+                {selectedResource
+                  ? selectedResource.name
+                  : selectedTemplate
+                    ? selectedTemplate.name
+                    : "Select a resource or template"}
+              </h3>
+            </div>
             {selectedResource && (
               <div className="flex row-auto gap-1 justify-end w-2/5">
                 {resourceSubscriptionsSupported &&

client/src/components/Sidebar.tsx

@@ -14,6 +14,7 @@ import {
   RefreshCwOff,
   Copy,
   CheckCheck,
+  Server,
 } from "lucide-react";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
@@ -38,6 +39,7 @@ import {
   TooltipContent,
 } from "@/components/ui/tooltip";
 import { useToast } from "../lib/hooks/useToast";
+import IconDisplay, { WithIcons } from "./IconDisplay";
 
 interface SidebarProps {
   connectionStatus: ConnectionStatus;
@@ -66,6 +68,9 @@ interface SidebarProps {
   loggingSupported: boolean;
   config: InspectorConfig;
   setConfig: (config: InspectorConfig) => void;
+  serverImplementation?:
+    | (WithIcons & { name?: string; version?: string; websiteUrl?: string })
+    | null;
 }
 
 const Sidebar = ({
@@ -95,6 +100,7 @@ const Sidebar = ({
   loggingSupported,
   config,
   setConfig,
+  serverImplementation,
 }: SidebarProps) => {
   const [theme, setTheme] = useTheme();
   const [showEnvVars, setShowEnvVars] = useState(false);
@@ -729,6 +735,45 @@ const Sidebar = ({
               </span>
             </div>
 
+            {connectionStatus === "connected" && serverImplementation && (
+              <div className="bg-gray-50 dark:bg-gray-900 p-3 rounded-lg mb-4">
+                <div className="flex items-center gap-2 mb-1">
+                  {(serverImplementation as WithIcons).icons &&
+                  (serverImplementation as WithIcons).icons!.length > 0 ? (
+                    <IconDisplay
+                      icons={(serverImplementation as WithIcons).icons}
+                      size="sm"
+                    />
+                  ) : (
+                    <Server className="w-4 h-4 text-gray-500" />
+                  )}
+                  {(serverImplementation as { websiteUrl?: string })
+                    .websiteUrl ? (
+                    <a
+                      href={
+                        (serverImplementation as { websiteUrl?: string })
+                          .websiteUrl
+                      }
+                      target="_blank"
+                      rel="noopener noreferrer"
+                      className="text-sm font-medium text-blue-600 dark:text-blue-400 hover:text-blue-700 dark:hover:text-blue-300 hover:underline transition-colors"
+                    >
+                      {serverImplementation.name || "MCP Server"}
+                    </a>
+                  ) : (
+                    <span className="text-sm font-medium text-gray-800 dark:text-gray-200">
+                      {serverImplementation.name || "MCP Server"}
+                    </span>
+                  )}
+                </div>
+                {serverImplementation.version && (
+                  <div className="text-xs text-gray-500 dark:text-gray-400">
+                    Version: {serverImplementation.version}
+                  </div>
+                )}
+              </div>
+            )}
+
             {loggingSupported && connectionStatus === "connected" && (
               <div className="space-y-2">
                 <label

client/src/components/ToolsTab.tsx

@@ -22,6 +22,7 @@ import { useEffect, useState } from "react";
 import ListPane from "./ListPane";
 import JsonView from "./JsonView";
 import ToolResults from "./ToolResults";
+import IconDisplay, { WithIcons } from "./IconDisplay";
 
 // Type guard to safely detect the optional _meta field without using `any`
 const hasMeta = (tool: Tool): tool is Tool & { _meta: unknown } =>
@@ -83,7 +84,10 @@ const ToolsTab = ({
           setSelectedItem={setSelectedTool}
           renderItem={(tool) => (
             <div className="flex flex-col items-start">
-              <span className="flex-1">{tool.name}</span>
+              <div className="flex items-center gap-2 w-full">
+                <IconDisplay icons={(tool as WithIcons).icons} size="sm" />
+                <span className="flex-1">{tool.name}</span>
+              </div>
               <span className="text-sm text-gray-500 text-left">
                 {tool.description}
               </span>
@@ -96,9 +100,17 @@ const ToolsTab = ({
 
         <div className="bg-card border border-border rounded-lg shadow">
           <div className="p-4 border-b border-gray-200 dark:border-border">
-            <h3 className="font-semibold">
-              {selectedTool ? selectedTool.name : "Select a tool"}
-            </h3>
+            <div className="flex items-center gap-2">
+              {selectedTool && (
+                <IconDisplay
+                  icons={(selectedTool as WithIcons).icons}
+                  size="md"
+                />
+              )}
+              <h3 className="font-semibold">
+                {selectedTool ? selectedTool.name : "Select a tool"}
+              </h3>
+            </div>
           </div>
           <div className="p-4">
             {selectedTool ? (

client/src/lib/hooks/useConnection.ts

@@ -110,6 +110,12 @@ export function useConnection({
     { request: string; response?: string }[]
   >([]);
   const [completionsSupported, setCompletionsSupported] = useState(false);
+  const [serverImplementation, setServerImplementation] = useState<{
+    name?: string;
+    version?: string;
+    websiteUrl?: string;
+    icons?: { src: string; mimeType?: string; sizes?: string }[];
+  } | null>(null);
 
   useEffect(() => {
     if (!oauthClientId) {
@@ -542,6 +548,8 @@ export function useConnection({
         setClientTransport(transport);
 
         capabilities = client.getServerCapabilities();
+        const serverInfo = client.getServerVersion();
+        setServerImplementation(serverInfo || null);
         const initializeRequest = {
           method: "initialize",
         };
@@ -651,11 +659,13 @@ export function useConnection({
     setConnectionStatus("disconnected");
     setCompletionsSupported(false);
     setServerCapabilities(null);
+    setServerImplementation(null);
   };
 
   return {
     connectionStatus,
     serverCapabilities,
+    serverImplementation,
     mcpClient,
     requestHistory,
     makeRequest,