Use new auth svr discovery method from latest auth SDK

Author: 2underscores

client/src/components/__tests__/AuthDebugger.test.tsx

@@ -36,7 +36,7 @@ const mockOAuthClientInfo = {
 // Mock MCP SDK functions - must be before imports
 jest.mock("@modelcontextprotocol/sdk/client/auth.js", () => ({
   auth: jest.fn(),
-  discoverOAuthMetadata: jest.fn(),
+  discoverAuthorizationServerMetadata: jest.fn(),
   registerClient: jest.fn(),
   startAuthorization: jest.fn(),
   exchangeAuthorization: jest.fn(),
@@ -46,7 +46,7 @@ jest.mock("@modelcontextprotocol/sdk/client/auth.js", () => ({
 
 // Import the functions to get their types
 import {
-  discoverOAuthMetadata,
+  discoverAuthorizationServerMetadata,
   registerClient,
   startAuthorization,
   exchangeAuthorization,
@@ -57,9 +57,10 @@ import { OAuthMetadata } from "@modelcontextprotocol/sdk/shared/auth.js";
 import { EMPTY_DEBUGGER_STATE } from "@/lib/auth-types";
 
 // Type the mocked functions properly
-const mockDiscoverOAuthMetadata = discoverOAuthMetadata as jest.MockedFunction<
-  typeof discoverOAuthMetadata
->;
+const mockDiscoverAuthorizationServerMetadata =
+  discoverAuthorizationServerMetadata as jest.MockedFunction<
+    typeof discoverAuthorizationServerMetadata
+  >;
 const mockRegisterClient = registerClient as jest.MockedFunction<
   typeof registerClient
 >;
@@ -102,7 +103,9 @@ describe("AuthDebugger", () => {
     // Suppress console errors in tests to avoid JSDOM navigation noise
     jest.spyOn(console, "error").mockImplementation(() => {});
 
-    mockDiscoverOAuthMetadata.mockResolvedValue(mockOAuthMetadata);
+    mockDiscoverAuthorizationServerMetadata.mockResolvedValue(
+      mockOAuthMetadata,
+    );
     mockRegisterClient.mockResolvedValue(mockOAuthClientInfo);
     mockDiscoverOAuthProtectedResourceMetadata.mockRejectedValue(
       new Error("No protected resource metadata found"),
@@ -203,7 +206,7 @@ describe("AuthDebugger", () => {
       });
 
       // Should first discover and save OAuth metadata
-      expect(mockDiscoverOAuthMetadata).toHaveBeenCalledWith(
+      expect(mockDiscoverAuthorizationServerMetadata).toHaveBeenCalledWith(
         new URL("https://example.com/"),
       );
 
@@ -216,7 +219,7 @@ describe("AuthDebugger", () => {
     });
 
     it("should show error when quick OAuth flow fails to discover metadata", async () => {
-      mockDiscoverOAuthMetadata.mockRejectedValue(
+      mockDiscoverAuthorizationServerMetadata.mockRejectedValue(
         new Error("Metadata discovery failed"),
       );
 
@@ -362,7 +365,7 @@ describe("AuthDebugger", () => {
         fireEvent.click(screen.getByText("Continue"));
       });
 
-      expect(mockDiscoverOAuthMetadata).toHaveBeenCalledWith(
+      expect(mockDiscoverAuthorizationServerMetadata).toHaveBeenCalledWith(
         new URL("https://example.com/"),
       );
     });
@@ -509,7 +512,9 @@ describe("AuthDebugger", () => {
       mockDiscoverOAuthProtectedResourceMetadata.mockResolvedValue(
         mockResourceMetadata,
       );
-      mockDiscoverOAuthMetadata.mockResolvedValue(mockOAuthMetadata);
+      mockDiscoverAuthorizationServerMetadata.mockResolvedValue(
+        mockOAuthMetadata,
+      );
 
       await act(async () => {
         renderAuthDebugger({
@@ -563,7 +568,9 @@ describe("AuthDebugger", () => {
       // Mock failed metadata discovery
       mockDiscoverOAuthProtectedResourceMetadata.mockRejectedValue(mockError);
       // But OAuth metadata should still work with the original URL
-      mockDiscoverOAuthMetadata.mockResolvedValue(mockOAuthMetadata);
+      mockDiscoverAuthorizationServerMetadata.mockResolvedValue(
+        mockOAuthMetadata,
+      );
 
       await act(async () => {
         renderAuthDebugger({
@@ -603,7 +610,7 @@ describe("AuthDebugger", () => {
       });
 
       // Verify that regular OAuth metadata discovery was still called
-      expect(mockDiscoverOAuthMetadata).toHaveBeenCalledWith(
+      expect(mockDiscoverAuthorizationServerMetadata).toHaveBeenCalledWith(
         new URL("https://example.com/"),
       );
     });

client/src/lib/oauth-state-machine.ts

@@ -1,7 +1,7 @@
 import { OAuthStep, AuthDebuggerState } from "./auth-types";
 import { DebugInspectorOAuthClientProvider } from "./auth";
 import {
-  discoverOAuthMetadata,
+  discoverAuthorizationServerMetadata,
   registerClient,
   startAuthorization,
   exchangeAuthorization,
@@ -56,7 +56,7 @@ export const oauthTransitions: Record<OAuthStep, StateTransition> = {
         resourceMetadata ?? undefined,
       );
 
-      const metadata = await discoverOAuthMetadata(authServerUrl);
+      const metadata = await discoverAuthorizationServerMetadata(authServerUrl);
       if (!metadata) {
         throw new Error("Failed to discover OAuth metadata");
       }

package-lock.json

@@ -50,7 +50,7 @@
     "@modelcontextprotocol/inspector-cli": "^0.16.3",
     "@modelcontextprotocol/inspector-client": "^0.16.3",
     "@modelcontextprotocol/inspector-server": "^0.16.3",
-    "@modelcontextprotocol/sdk": "^1.17.0",
+    "@modelcontextprotocol/sdk": "^1.17.2",
     "concurrently": "^9.2.0",
     "open": "^10.2.0",
     "shell-quote": "^1.8.3",