diff --git a/web/__tests__/app/app-publisher-flow.test.tsx b/web/__tests__/app/app-publisher-flow.test.tsx
index cf7ca7e19bb..4b88d0de95b 100644
--- a/web/__tests__/app/app-publisher-flow.test.tsx
+++ b/web/__tests__/app/app-publisher-flow.test.tsx
@@ -215,7 +215,7 @@ describe('App Publisher Flow', () => {
     fireEvent.click(screen.getByText('common.openInExplore'))
 
     await waitFor(() => {
-      expect(mockToastError).toHaveBeenCalledWith('No app found in Explore')
+      expect(mockToastError).toHaveBeenCalledWith('notPublishedYet')
     })
   })
 })
diff --git a/web/app/components/app/app-publisher/__tests__/index.spec.tsx b/web/app/components/app/app-publisher/__tests__/index.spec.tsx
index b4593347780..5bbe67b6890 100644
--- a/web/app/components/app/app-publisher/__tests__/index.spec.tsx
+++ b/web/app/components/app/app-publisher/__tests__/index.spec.tsx
@@ -562,7 +562,7 @@ describe('AppPublisher', () => {
     fireEvent.click(screen.getByText('publisher-open-in-explore'))
 
     await waitFor(() => {
-      expect(mockToastError).toHaveBeenCalledWith('No app found in Explore')
+      expect(mockToastError).toHaveBeenCalledWith('notPublishedYet')
     })
   })
 
diff --git a/web/app/components/app/app-publisher/index.tsx b/web/app/components/app/app-publisher/index.tsx
index 2f35ae3f45a..01471186194 100644
--- a/web/app/components/app/app-publisher/index.tsx
+++ b/web/app/components/app/app-publisher/index.tsx
@@ -231,7 +231,7 @@ export function AppPublisher({
       const { installed_apps } = await fetchInstalledAppList(appDetail.id)
       if (installed_apps?.length > 0)
         return `${basePath}${buildInstalledAppPath(installed_apps[0]!.id)}`
-      throw new Error('No app found in Explore')
+      throw new Error(t('notPublishedYet', { ns: 'app' }))
     }, {
       onError: (err) => {
         toast.error(`${err.message || err}`)
diff --git a/web/app/components/apps/__tests__/app-card.spec.tsx b/web/app/components/apps/__tests__/app-card.spec.tsx
index 55aa304316e..3be6fa998d9 100644
--- a/web/app/components/apps/__tests__/app-card.spec.tsx
+++ b/web/app/components/apps/__tests__/app-card.spec.tsx
@@ -14,6 +14,10 @@ import { StarredAppCard } from '../starred-app-card'
 
 let mockWebappAuthEnabled = false
 let mockRbacEnabled = true
+const mockUserCanAccessApp = vi.hoisted(() => ({
+  result: true as boolean | undefined,
+  isLoading: false,
+}))
 
 const render = (ui: React.ReactElement) => renderWithSystemFeatures(ui, {
   systemFeatures: {
@@ -118,15 +122,15 @@ vi.mock('@/service/explore', () => ({
 
 vi.mock('@/service/access-control', () => ({
   useGetUserCanAccessApp: () => ({
-    data: { result: true },
-    isLoading: false,
+    data: mockUserCanAccessApp.result === undefined ? undefined : { result: mockUserCanAccessApp.result },
+    isLoading: mockUserCanAccessApp.isLoading,
   }),
 }))
 
 vi.mock('@/service/access-control/use-app-access-control', () => ({
   useGetUserCanAccessApp: () => ({
-    data: { result: true },
-    isLoading: false,
+    data: mockUserCanAccessApp.result === undefined ? undefined : { result: mockUserCanAccessApp.result },
+    isLoading: mockUserCanAccessApp.isLoading,
   }),
 }))
 
@@ -380,6 +384,8 @@ describe('AppCard', () => {
     mockOpenAsyncWindow.mockReset()
     mockWebappAuthEnabled = false
     mockRbacEnabled = true
+    mockUserCanAccessApp.result = true
+    mockUserCanAccessApp.isLoading = false
     mockDeleteMutationPending = false
     mockToggleStarMutationPending = false
     mockAppContext.isCurrentWorkspaceEditor = true
@@ -1733,6 +1739,28 @@ describe('AppCard', () => {
   })
 
   describe('Open in Explore - No App Found', () => {
+    it('should tell workflow users to publish before opening in explore', async () => {
+      const workflowApp = createMockApp({
+        mode: AppModeEnum.WORKFLOW,
+        workflow: undefined,
+      })
+      render(<AppCard app={workflowApp} />)
+
+      fireEvent.click(screen.getByTestId('dropdown-menu-trigger'))
+      await waitFor(() => {
+        expect(screen.getByText('app.openInExplore')).toBeInTheDocument()
+      })
+
+      fireEvent.click(screen.getByText('app.openInExplore'))
+
+      expect(mockOpenAsyncWindow).not.toHaveBeenCalled()
+      expect(exploreService.fetchInstalledAppList).not.toHaveBeenCalled()
+      expect(toastMocks.record).toHaveBeenCalledWith({
+        type: 'error',
+        message: 'app.notPublishedYet',
+      })
+    })
+
     it('should handle case when installed_apps is empty array', async () => {
       (exploreService.fetchInstalledAppList as Mock).mockResolvedValueOnce({ installed_apps: [] })
 
@@ -1756,6 +1784,10 @@ describe('AppCard', () => {
 
       await waitFor(() => {
         expect(exploreService.fetchInstalledAppList).toHaveBeenCalled()
+        expect(toastMocks.record).toHaveBeenCalledWith({
+          type: 'error',
+          message: 'app.notPublishedYet',
+        })
       })
     })
 
@@ -1944,6 +1976,31 @@ describe('AppCard', () => {
       })
     })
 
+    it('should keep open in explore visible for unpublished workflow apps while access check is pending', async () => {
+      mockUserCanAccessApp.result = false
+      mockUserCanAccessApp.isLoading = true
+      const workflowApp = createMockApp({
+        mode: AppModeEnum.WORKFLOW,
+        workflow: undefined,
+      })
+
+      render(<AppCard app={workflowApp} />)
+
+      fireEvent.click(screen.getByTestId('dropdown-menu-trigger'))
+      await waitFor(() => {
+        expect(screen.getByText('app.openInExplore')).toBeInTheDocument()
+      })
+
+      fireEvent.click(screen.getByText('app.openInExplore'))
+
+      expect(mockOpenAsyncWindow).not.toHaveBeenCalled()
+      expect(exploreService.fetchInstalledAppList).not.toHaveBeenCalled()
+      expect(toastMocks.record).toHaveBeenCalledWith({
+        type: 'error',
+        message: 'app.notPublishedYet',
+      })
+    })
+
     it('should close access control modal when onClose is called', async () => {
       render(<AppCard app={mockApp} />)
 
diff --git a/web/app/components/apps/app-card.tsx b/web/app/components/apps/app-card.tsx
index f22bc28e931..3cb998febbf 100644
--- a/web/app/components/apps/app-card.tsx
+++ b/web/app/components/apps/app-card.tsx
@@ -90,6 +90,11 @@ const ACCESS_MODE_LABEL_KEYS = {
   [AccessMode.EXTERNAL_MEMBERS]: 'accessItemsDescription.external',
 } as const
 
+const APP_MODES_REQUIRING_PUBLISHED_WORKFLOW_IN_EXPLORE = new Set<AppModeEnum>([
+  AppModeEnum.ADVANCED_CHAT,
+  AppModeEnum.WORKFLOW,
+])
+
 type AppCardProps = {
   app: App
   onlineUsers?: WorkflowOnlineUser[]
@@ -103,6 +108,10 @@ type AppAccessModeIconProps = {
 
 const getAppResourceMaintainer = (app: App) => app.maintainer
 
+function requiresPublishedWorkflowInExplore(app: App) {
+  return APP_MODES_REQUIRING_PUBLISHED_WORKFLOW_IN_EXPLORE.has(app.mode)
+}
+
 function AppAccessModeIcon({ accessMode }: AppAccessModeIconProps) {
   const { t } = useTranslation()
 
@@ -182,12 +191,17 @@ function AppCardOperationsMenu({
   async function handleOpenInstalledApp(e: MouseEvent<HTMLElement>) {
     e.stopPropagation()
     e.preventDefault()
+    if (requiresPublishedWorkflowInExplore(app) && !app.workflow?.id) {
+      toast.error(t('notPublishedYet', { ns: 'app' }))
+      return
+    }
+
     try {
       await openAsyncWindow(async () => {
         const { installed_apps } = await fetchInstalledAppList(app.id)
         if (installed_apps?.length > 0)
           return `${basePath}${buildInstalledAppPath(installed_apps[0]!.id)}`
-        throw new Error('No app found in Explore')
+        throw new Error(t('notPublishedYet', { ns: 'app' }))
       }, {
         onError: (err) => {
           toast.error(`${err.message || err}`)
@@ -272,10 +286,12 @@ function AppCardOperationsMenuContent(props: AppCardOperationsMenuContentProps)
     appId: props.app.id,
     enabled: systemFeatures.webapp_auth.enabled,
   })
+  const needsPublishBeforeExplore = requiresPublishedWorkflowInExplore(props.app) && !props.app.workflow?.id
 
   const shouldShowOpenInExploreOption = !props.app.has_draft_trigger
     && (
-      !systemFeatures.webapp_auth.enabled
+      needsPublishBeforeExplore
+      || !systemFeatures.webapp_auth.enabled
       || (!isGettingUserCanAccessApp && Boolean(userCanAccessApp?.result))
     )