diff --git a/packages/core/rsc/stream-ui/index.tsx b/packages/core/rsc/stream-ui/index.tsx
index 8e6f87283af1..cc0835c061f9 100644
--- a/packages/core/rsc/stream-ui/index.tsx
+++ b/packages/core/rsc/stream-ui/index.tsx
@@ -1 +1,3 @@
 export { streamUI } from './stream-ui';
+
+export type { RenderText, RenderTool };
\ No newline at end of file
diff --git a/packages/core/rsc/stream-ui/stream-ui.tsx b/packages/core/rsc/stream-ui/stream-ui.tsx
index 0b4e2ced9745..744b32894bc6 100644
--- a/packages/core/rsc/stream-ui/stream-ui.tsx
+++ b/packages/core/rsc/stream-ui/stream-ui.tsx
@@ -26,7 +26,7 @@ type Renderer<T extends Array<any>> = (
   | Generator<Streamable, Streamable, void>
   | AsyncGenerator<Streamable, Streamable, void>;
 
-type RenderTool<PARAMETERS extends z.ZodTypeAny = any> = {
+export type RenderTool<PARAMETERS extends z.ZodTypeAny = any> = {
   description?: string;
   parameters: PARAMETERS;
   generate?: Renderer<
@@ -40,7 +40,7 @@ type RenderTool<PARAMETERS extends z.ZodTypeAny = any> = {
   >;
 };
 
-type RenderText = Renderer<
+export type RenderText = Renderer<
   [
     {
       /**