diff --git a/src/AppState.tsx b/src/AppState.tsx
index ee7c8b4e7..7ecb30fdc 100644
--- a/src/AppState.tsx
+++ b/src/AppState.tsx
@@ -39,3 +39,32 @@ export const AppStateProvider = ({ children }: { children: ReactNode }) => {
     </AppStateContext.Provider>
   )
 }
+
+interface AppStream {
+  mediaStream: MediaStream
+  setMediaStream: (mediaStream: MediaStream) => void
+}
+
+const AppStreamContext = createContext<AppStream>({
+  mediaStream: undefined as unknown as MediaStream,
+  setMediaStream: () => {},
+})
+
+export const useAppStream = () => useContext(AppStreamContext)
+
+export const AppStreamProvider = ({ children }: { children: ReactNode }) => {
+  const [mediaStream, setMediaStream] = useState<MediaStream>(
+    undefined as unknown as MediaStream
+  )
+
+  return (
+    <AppStreamContext.Provider
+      value={{
+        mediaStream,
+        setMediaStream,
+      }}
+    >
+      {children}
+    </AppStreamContext.Provider>
+  )
+}
diff --git a/src/components/Stream.tsx b/src/components/Stream.tsx
index abc499baa..992bb6808 100644
--- a/src/components/Stream.tsx
+++ b/src/components/Stream.tsx
@@ -9,6 +9,7 @@ import { ClientSideScene } from 'clientSideScene/ClientSideSceneComp'
 import { btnName } from 'lib/cameraControls'
 import { sendSelectEventToEngine } from 'lib/selections'
 import { kclManager, engineCommandManager, sceneInfra } from 'lib/singletons'
+import { useAppStream } from 'AppState'
 
 export const Stream = () => {
   const [isLoading, setIsLoading] = useState(true)
@@ -17,6 +18,7 @@ export const Stream = () => {
   const videoRef = useRef<HTMLVideoElement>(null)
   const { settings } = useSettingsAuthContext()
   const { state, send, context } = useModelingContext()
+  const { mediaStream } = useAppStream()
   const { overallState } = useNetworkContext()
   const [isFreezeFrame, setIsFreezeFrame] = useState(false)
 
@@ -124,12 +126,10 @@ export const Stream = () => {
     )
       return
     if (!videoRef.current) return
-    const _mediaStream =
-      context.store?.mediaStream || (window as any).mediaStream
-    if (!_mediaStream) return
+    if (!mediaStream) return
 
     // Do not immediately play the stream!
-    videoRef.current.srcObject = _mediaStream
+    videoRef.current.srcObject = mediaStream
     videoRef.current.pause()
 
     send({
@@ -138,7 +138,7 @@ export const Stream = () => {
         videoElement: videoRef.current,
       },
     })
-  }, [context.store?.mediaStream])
+  }, [mediaStream])
 
   const handleMouseDown: MouseEventHandler<HTMLDivElement> = (e) => {
     if (!isNetworkOkay) return
diff --git a/src/hooks/useSetupEngineManager.ts b/src/hooks/useSetupEngineManager.ts
index 1791f9097..506589ccf 100644
--- a/src/hooks/useSetupEngineManager.ts
+++ b/src/hooks/useSetupEngineManager.ts
@@ -4,7 +4,7 @@ import { deferExecution } from 'lib/utils'
 import { Themes } from 'lib/theme'
 import { makeDefaultPlanes, modifyGrid } from 'lang/wasm'
 import { useModelingContext } from './useModelingContext'
-import { useAppState } from 'AppState'
+import { useAppState, useAppStream } from 'AppState'
 
 export function useSetupEngineManager(
   streamRef: React.RefObject<HTMLDivElement>,
@@ -28,6 +28,7 @@ export function useSetupEngineManager(
   }
 ) {
   const { setAppState } = useAppState()
+  const { setMediaStream } = useAppStream()
 
   const streamWidth = streamRef?.current?.offsetWidth
   const streamHeight = streamRef?.current?.offsetHeight
@@ -54,13 +55,7 @@ export function useSetupEngineManager(
       settings.modelingSend
     ) {
       engineCommandManager.start({
-        setMediaStream: (mediaStream) => {
-          settings.modelingSend({
-            type: 'Set context',
-            data: { mediaStream },
-          })
-          ;(window as any).mediaStream = mediaStream
-        },
+        setMediaStream: setMediaStream,
         setIsStreamReady: (isStreamReady) => setAppState({ isStreamReady }),
         width: quadWidth,
         height: quadHeight,
diff --git a/src/index.tsx b/src/index.tsx
index e893c0d13..49b11ba77 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -13,6 +13,7 @@ import {
   UpdaterRestartModal,
   createUpdaterRestartModal,
 } from 'components/UpdaterRestartModal'
+import { AppStreamProvider } from 'AppState'
 
 // uncomment for xstate inspector
 // import { DEV } from 'env'
@@ -26,28 +27,30 @@ const root = ReactDOM.createRoot(document.getElementById('root') as HTMLElement)
 
 root.render(
   <HotkeysProvider>
-    <Router />
-    <Toaster
-      position="bottom-center"
-      toastOptions={{
-        style: {
-          borderRadius: '3px',
-        },
-        className:
-          'bg-chalkboard-10 dark:bg-chalkboard-90 text-chalkboard-110 dark:text-chalkboard-10 rounded-sm border-chalkboard-20/50 dark:border-chalkboard-80/50',
-        success: {
-          iconTheme: {
-            primary: 'oklch(89% 0.16 143.4deg)',
-            secondary: 'oklch(48.62% 0.1654 142.5deg)',
+    <AppStreamProvider>
+      <Router />
+      <Toaster
+        position="bottom-center"
+        toastOptions={{
+          style: {
+            borderRadius: '3px',
           },
-          duration:
-            window?.localStorage.getItem('playwright') === 'true'
-              ? 10 // speed up e2e tests
-              : 1500,
-        },
-      }}
-    />
-    <ModalContainer />
+          className:
+            'bg-chalkboard-10 dark:bg-chalkboard-90 text-chalkboard-110 dark:text-chalkboard-10 rounded-sm border-chalkboard-20/50 dark:border-chalkboard-80/50',
+          success: {
+            iconTheme: {
+              primary: 'oklch(89% 0.16 143.4deg)',
+              secondary: 'oklch(48.62% 0.1654 142.5deg)',
+            },
+            duration:
+              window?.localStorage.getItem('playwright') === 'true'
+                ? 10 // speed up e2e tests
+                : 1500,
+          },
+        }}
+      />
+      <ModalContainer />
+    </AppStreamProvider>
   </HotkeysProvider>
 )
 
diff --git a/src/machines/modelingMachine.ts b/src/machines/modelingMachine.ts
index 8115a3378..4912a2b8c 100644
--- a/src/machines/modelingMachine.ts
+++ b/src/machines/modelingMachine.ts
@@ -138,7 +138,6 @@ export type SegmentOverlayPayload =
     }
 
 interface Store {
-  mediaStream?: MediaStream
   videoElement?: HTMLVideoElement
   buttonDownInStream: number | undefined
   didDragInStream: boolean