diff --git a/src/views/EditorView.vue b/src/views/EditorView.vue
index 57b0f5569..5a10e2efb 100644
--- a/src/views/EditorView.vue
+++ b/src/views/EditorView.vue
@@ -11,7 +11,7 @@ import { useMenu } from '@/composables/use-menu'
 import { useCollab, COLLAB_KEY } from '@/composables/use-collab'
 import { connectAutomation } from '@/automation/server'
 import { spawnMCPIfNeeded } from '@/automation/spawn-mcp'
-import { IS_TAURI } from '@/constants'
+import { IS_BROWSER } from '@open-pencil/core'
 import { createDemoShapes } from '@/demo'
 import { useEditorStore } from '@/stores/editor'
 import { createTab, activeTab, getActiveStore } from '@/stores/tabs'
@@ -61,12 +61,13 @@ onMounted(async () => {
   try {
     const mcp = await spawnMCPIfNeeded()
     mcpCleanup.value = mcp?.disconnect ?? null
-    if (import.meta.env.DEV || IS_TAURI) {
+    const isTauri = IS_BROWSER && '__TAURI_INTERNALS__' in window
+    if (import.meta.env.DEV || isTauri) {
       automationCleanup.value = connectAutomation(getActiveStore, mcp?.authToken ?? null).disconnect
     }
   } catch (e) {
     console.warn('[MCP]', e)
-    if (IS_TAURI) {
+    if (IS_BROWSER && '__TAURI_INTERNALS__' in window) {
       const { toast } = await import('@/utils/toast')
       toast.warning('MCP server failed to start. Install with: npm i -g @open-pencil/mcp')
     }