diff --git a/packages/jsii-reflect/lib/assembly.ts b/packages/jsii-reflect/lib/assembly.ts
index 4303bf4dc1..4e9692f66c 100644
--- a/packages/jsii-reflect/lib/assembly.ts
+++ b/packages/jsii-reflect/lib/assembly.ts
@@ -36,6 +36,13 @@ export class Assembly {
     return this.spec.description;
   }
 
+  /**
+   * The metadata associated with the assembly, if any.
+   */
+  public get metadata(): { readonly [key: string]: any } | undefined {
+    return this.spec.metadata;
+  }
+
   /**
    * The url to the project homepage. Maps to "homepage" from package.json.
    */