diff --git a/src/vs/workbench/contrib/chat/browser/chatSetup.ts b/src/vs/workbench/contrib/chat/browser/chatSetup.ts
index 53a86ec5245..12567365126 100644
--- a/src/vs/workbench/contrib/chat/browser/chatSetup.ts
+++ b/src/vs/workbench/contrib/chat/browser/chatSetup.ts
@@ -60,6 +60,7 @@ import { IHostService } from '../../../services/host/browser/host.js';
 import Severity from '../../../../base/common/severity.js';
 import { IWorkbenchEnvironmentService } from '../../../services/environment/common/environmentService.js';
 import { isWeb } from '../../../../base/common/platform.js';
+import { ExtensionUrlHandlerOverrideRegistry } from '../../../services/extensions/browser/extensionUrlHandler.js';
 
 const defaultChat = {
 	extensionId: product.defaultChatAgent?.extensionId ?? '',
@@ -109,7 +110,9 @@ export class ChatSetupContribution extends Disposable implements IWorkbenchContr
 	constructor(
 		@IProductService private readonly productService: IProductService,
 		@IInstantiationService private readonly instantiationService: IInstantiationService,
-		@IWorkbenchEnvironmentService private readonly environmentService: IWorkbenchEnvironmentService
+		@IWorkbenchEnvironmentService private readonly environmentService: IWorkbenchEnvironmentService,
+		@ICommandService private readonly commandService: ICommandService,
+		@ITelemetryService private readonly telemetryService: ITelemetryService
 	) {
 		super();
 
@@ -122,6 +125,7 @@ export class ChatSetupContribution extends Disposable implements IWorkbenchContr
 
 		this.registerChatWelcome();
 		this.registerActions();
+		this.registerUrlLinkHandler();
 	}
 
 	private registerChatWelcome(): void {
@@ -292,6 +296,18 @@ export class ChatSetupContribution extends Disposable implements IWorkbenchContr
 		registerAction2(ChatSetupHideAction);
 		registerAction2(UpgradePlanAction);
 	}
+
+	private registerUrlLinkHandler(): void {
+		this._register(ExtensionUrlHandlerOverrideRegistry.registerHandler(URI.parse(`${this.productService.urlProtocol}://${defaultChat.chatExtensionId}`), {
+			handleURL: async () => {
+				this.telemetryService.publicLog2<WorkbenchActionExecutedEvent, WorkbenchActionExecutedClassification>('workbenchActionExecuted', { id: TRIGGER_SETUP_COMMAND_ID, from: 'url' });
+
+				await this.commandService.executeCommand(TRIGGER_SETUP_COMMAND_ID);
+
+				return true;
+			}
+		}));
+	}
 }
 
 //#endregion
diff --git a/src/vs/workbench/services/extensions/browser/extensionUrlHandler.ts b/src/vs/workbench/services/extensions/browser/extensionUrlHandler.ts
index ac3c7ed5006..04aa6fe51f8 100644
--- a/src/vs/workbench/services/extensions/browser/extensionUrlHandler.ts
+++ b/src/vs/workbench/services/extensions/browser/extensionUrlHandler.ts
@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { localize, localize2 } from '../../../../nls.js';
-import { IDisposable, combinedDisposable } from '../../../../base/common/lifecycle.js';
+import { IDisposable, combinedDisposable, toDisposable } from '../../../../base/common/lifecycle.js';
 import { URI } from '../../../../base/common/uri.js';
 import { IConfigurationService } from '../../../../platform/configuration/common/configuration.js';
 import { IDialogService } from '../../../../platform/dialogs/common/dialogs.js';
@@ -27,6 +27,7 @@ import { ICommandService } from '../../../../platform/commands/common/commands.j
 import { isCancellationError } from '../../../../base/common/errors.js';
 import { INotificationService } from '../../../../platform/notification/common/notification.js';
 import { IWorkbenchEnvironmentService } from '../../environment/common/environmentService.js';
+import { ResourceMap } from '../../../../base/common/map.js';
 
 const FIVE_MINUTES = 5 * 60 * 1000;
 const THIRTY_SECONDS = 30 * 1000;
@@ -99,6 +100,25 @@ type ExtensionUrlReloadHandlerClassification = {
 	comment: 'This is used to understand the drop funnel of extension URI handling by the OS & VS Code.';
 };
 
+export interface IExtensionUrlHandlerOverride {
+	handleURL(uri: URI): Promise<boolean>;
+}
+
+export class ExtensionUrlHandlerOverrideRegistry {
+
+	private static readonly handlers = new ResourceMap<IExtensionUrlHandlerOverride>();
+
+	static registerHandler(uri: URI, handler: IExtensionUrlHandlerOverride): IDisposable {
+		this.handlers.set(uri, handler);
+
+		return toDisposable(() => this.handlers.delete(uri));
+	}
+
+	static getHandler(uri: URI): IExtensionUrlHandlerOverride | undefined {
+		return this.handlers.get(uri);
+	}
+}
+
 /**
  * This class handles URLs which are directed towards extensions.
  * If a URL is directed towards an inactive extension, it buffers it,
@@ -153,6 +173,14 @@ class ExtensionUrlHandler implements IExtensionUrlHandler, IURLHandler {
 			return false;
 		}
 
+		const overrideHandler = ExtensionUrlHandlerOverrideRegistry.getHandler(uri);
+		if (overrideHandler) {
+			const handled = await overrideHandler.handleURL(uri);
+			if (handled) {
+				return handled;
+			}
+		}
+
 		const extensionId = uri.authority;
 		this.telemetryService.publicLog2<ExtensionUrlHandlerEvent, ExtensionUrlHandlerClassification>('uri_invoked/start', { extensionId });