chore(config): disable agents by default (#23546)

packages/a2a-server/src/config/config.test.ts

@@ -341,11 +341,11 @@ describe('loadConfig', () => {
       );
     });
 
-    it('should default enableAgents to true when not provided', async () => {
+    it('should default enableAgents to false when not provided', async () => {
       await loadConfig(mockSettings, mockExtensionLoader, taskId);
       expect(Config).toHaveBeenCalledWith(
         expect.objectContaining({
-          enableAgents: true,
+          enableAgents: false,
         }),
       );
     });

packages/a2a-server/src/config/config.ts

@@ -127,7 +127,7 @@ export async function loadConfig(
     interactive: !isHeadlessMode(),
     enableInteractiveShell: !isHeadlessMode(),
     ptyInfo: 'auto',
-    enableAgents: settings.experimental?.enableAgents ?? true,
+    enableAgents: settings.experimental?.enableAgents ?? false,
   };
 
   const fileService = new FileDiscoveryService(workspaceDir, {

packages/cli/src/config/settingsSchema.test.ts

@@ -400,7 +400,7 @@ describe('SettingsSchema', () => {
       expect(setting).toBeDefined();
       expect(setting.type).toBe('boolean');
       expect(setting.category).toBe('Experimental');
-      expect(setting.default).toBe(true);
+      expect(setting.default).toBe(false);
       expect(setting.requiresRestart).toBe(true);
       expect(setting.showInDialog).toBe(false);
       expect(setting.description).toBe('Enable local and remote subagents.');

packages/cli/src/config/settingsSchema.ts

@@ -1922,7 +1922,7 @@ const SETTINGS_SCHEMA = {
         label: 'Enable Agents',
         category: 'Experimental',
         requiresRestart: true,
-        default: true,
+        default: false,
         description: 'Enable local and remote subagents.',
         showInDialog: false,
       },

packages/core/src/config/config.ts

@@ -1001,7 +1001,7 @@ export class Config implements McpContext, AgentLoopContext {
     this.model = params.model;
     this.disableLoopDetection = params.disableLoopDetection ?? false;
     this._activeModel = params.model;
-    this.enableAgents = params.enableAgents ?? true;
+    this.enableAgents = params.enableAgents ?? false;
     this.agents = params.agents ?? {};
     this.disableLLMCorrection = params.disableLLMCorrection ?? true;
     this.planEnabled = params.plan ?? true;