diff --git a/src/lib.ts b/src/lib.ts
index 567a1013e..39303f435 100644
--- a/src/lib.ts
+++ b/src/lib.ts
@@ -1470,3 +1470,19 @@ export function totalFamiliarWeight(
     (familiar.feasted ? 10 : 0)
   );
 }
+
+/**
+ * JSON-ify an object with mafia constants rendered legibly
+ * @param obj The object to convert to a JSON string
+ * @returns A JSON string
+ */
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export function toMafiaJson(obj: any): string {
+  return JSON.stringify(obj, (_, value) => {
+    const mafiaClass = MafiaClasses.find(
+      (mafiaClass) => value instanceof mafiaClass,
+    );
+    if (mafiaClass) return `[${mafiaClass.name}]${value}`;
+    return value;
+  });
+}