diff --git a/packages/core/src/core.ts b/packages/core/src/core.ts
index 97073839..f5e7941b 100644
--- a/packages/core/src/core.ts
+++ b/packages/core/src/core.ts
@@ -364,3 +364,8 @@ export async function getIDToken(aud?: string): Promise<string> {
  * Summary exports
  */
 export {summary} from './summary'
+
+/**
+ * @deprecated use core.summary
+ */
+export {markdownSummary} from './summary'
diff --git a/packages/core/src/summary.ts b/packages/core/src/summary.ts
index 41db1de1..015f2eea 100644
--- a/packages/core/src/summary.ts
+++ b/packages/core/src/summary.ts
@@ -354,5 +354,10 @@ class Summary {
   }
 }
 
-// singleton export
-export const summary = new Summary()
+const _summary = new Summary()
+
+/**
+ * @deprecated use `core.summary`
+ */
+export const markdownSummary = _summary
+export const summary = _summary