fix: ensure Apps SDK adapter is bundled properly and initialized wth config

sdks/typescript/server/scripts/bundle-adapter.js

@@ -10,9 +10,9 @@ const __dirname = dirname(__filename);
 try {
   const result = await build({
     entryPoints: [join(__dirname, '../src/adapters/appssdk/adapter-runtime.ts')],
-    bundle: true,
+    bundle: false,
     write: false,
-    format: 'iife',
+    format: 'esm',
     platform: 'browser',
     target: 'es2020',
     minify: false, // Keep readable for debugging

sdks/typescript/server/src/__tests__/adapters/appssdk-adapter.test.ts

@@ -76,22 +76,27 @@ describe('Apps SDK Adapter', () => {
       expect(script).toContain('https://test.example.com');
     });
 
-    it('should set MCP_APPSSDK_ADAPTER_NO_AUTO_INSTALL flag', () => {
-      const script = getAppsSdkAdapterScript();
-
-      // Should prevent the bundled code from auto-initializing
-      expect(script).toContain('MCP_APPSSDK_ADAPTER_NO_AUTO_INSTALL');
-      expect(script).toContain('window.MCP_APPSSDK_ADAPTER_NO_AUTO_INSTALL = true');
-    });
-
     it('should expose global MCPUIAppsSdkAdapter API', () => {
       const script = getAppsSdkAdapterScript();
 
       expect(script).toContain('window.MCPUIAppsSdkAdapter');
       expect(script).toContain('init: initAdapter');
+      expect(script).toContain('initWithConfig: () => initAdapter({})')
       expect(script).toContain('uninstall: uninstallAdapter');
     });
 
+    it('should expose an initWithConfig with multiple config options', () => {
+       const config: AppsSdkAdapterConfig = {
+         timeout: 10000,
+         intentHandling: 'prompt',
+         hostOrigin: 'https://test.example.com',
+       };
+
+       const script = getAppsSdkAdapterScript(config);
+
+       expect(script).toContain(`initWithConfig: () => initAdapter(${JSON.stringify(config)})`);
+    });
+
     it('should check for window before initialization', () => {
       const script = getAppsSdkAdapterScript();
 

sdks/typescript/server/src/adapters/appssdk/adapter-runtime.ts

@@ -14,9 +14,6 @@ import type {
 import type { UIActionResult } from '../../types.js';
 
 type ParentPostMessage = Window['postMessage'];
-type AdapterWindow = Window & {
-  MCP_APPSSDK_ADAPTER_NO_AUTO_INSTALL?: boolean;
-};
 
 /**
  * Main adapter class that handles protocol translations
@@ -456,7 +453,8 @@ let adapterInstance: MCPUIAppsSdkAdapter | null = null;
  * @param config - Optional configuration
  * @returns true if adapter was initialized, false if Apps SDK not detected
  */
-export function initAdapter(config?: AppsSdkAdapterConfig): boolean {
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+function initAdapter(config?: AppsSdkAdapterConfig): boolean {
   if (adapterInstance) {
     console.warn('[MCPUI-Apps SDK Adapter] Adapter already initialized');
     return true;
@@ -469,21 +467,10 @@ export function initAdapter(config?: AppsSdkAdapterConfig): boolean {
 /**
  * Uninstall the adapter and restore original behavior
  */
-export function uninstallAdapter(): void {
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+function uninstallAdapter(): void {
   if (adapterInstance) {
     adapterInstance.uninstall();
     adapterInstance = null;
   }
 }
-
-/**
- * Auto-install the adapter when this module is loaded
- * Can be disabled by setting window.MCP_APPSSDK_ADAPTER_NO_AUTO_INSTALL = true before loading
- */
-if (typeof window !== 'undefined') {
-  const adapterWindow = window as AdapterWindow;
-  if (!adapterWindow.MCP_APPSSDK_ADAPTER_NO_AUTO_INSTALL) {
-    initAdapter();
-  }
-}
-

sdks/typescript/server/src/adapters/appssdk/adapter.ts

@@ -38,17 +38,22 @@ export function getAppsSdkAdapterScript(config?: AppsSdkAdapterConfig): string {
 
   // Override auto-init from runtime and initialize with provided config
   if (typeof window !== 'undefined') {
-    window.MCP_APPSSDK_ADAPTER_NO_AUTO_INSTALL = true; // Prevent auto-init from bundled code
+    // If the functions are not defined, just return, we can't do anything.
+    if (typeof initAdapter !== 'function' || typeof uninstallAdapter !== 'function') {
+      console.warn('[MCPUI-Apps SDK Adapter] Adapter runtime not found with the correct methods. Adapter will not activate.')    
+      return;
+    }
 
-    // Initialize with config from server
-    if (typeof initAdapter === 'function') {
+    // If auto-init is enabled, initialize with config from server 
+    if (!window.MCP_APPSSDK_ADAPTER_NO_AUTO_INSTALL) {
       initAdapter(${configJson});
     }
 
     // Expose functions globally
     if (typeof window.MCPUIAppsSdkAdapter === 'undefined') {
       window.MCPUIAppsSdkAdapter = {
         init: initAdapter,
+        initWithConfig: () => initAdapter(${configJson}),
         uninstall: uninstallAdapter,
       };
     }