diff --git a/scripts/diag_payload_indexes.py b/scripts/diag_payload_indexes.py
new file mode 100644
index 0000000..1418e62
--- /dev/null
+++ b/scripts/diag_payload_indexes.py
@@ -0,0 +1,56 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+scripts/diag_payload_indexes.py  (v1.1)
+
+Zeigt payload_schema (Indizes) je Collection.
+WICHTIG: Einige Qdrant-Versionen liefern payload_schema nur, wenn
+`with_payload_schema=true` gesetzt wird. Daher setzen wir das Flag explizit.
+"""
+from __future__ import annotations
+import argparse, json
+from qdrant_client.http import models as rest
+from app.core.qdrant import QdrantConfig, get_client, collection_names
+
+def compact_schema(ps: dict | None) -> dict:
+    if not isinstance(ps, dict):
+        return {}
+    out = {}
+    for k, v in ps.items():
+        if isinstance(v, dict) and "type" in v:
+            out[k] = v["type"]
+        else:
+            out[k] = v
+    return out
+
+def main():
+    ap = argparse.ArgumentParser()
+    ap.add_argument("--raw", action="store_true")
+    args = ap.parse_args()
+
+    cfg = QdrantConfig.from_env()
+    client = get_client(cfg)
+    notes, chunks, edges = collection_names(cfg.prefix)
+
+    cols = [notes, chunks, edges]
+    result = []
+    for name in cols:
+        info = client.get_collection(collection_name=name, with_payload_schema=True)
+        d = info.model_dump() if hasattr(info, "model_dump") else (info.dict() if hasattr(info, "dict") else info)
+        payload_schema = (d.get("result") or {}).get("payload_schema")
+        vectors = (d.get("result") or {}).get("vectors")
+        if isinstance(vectors, dict) and "config" in vectors:
+            vectors = vectors.get("config")
+        if args.raw:
+            result.append({"collection": name, "raw": d})
+        else:
+            result.append({
+                "name": name,
+                "vectors": vectors,
+                "payload_schema": compact_schema(payload_schema),
+                "segments_count": (d.get("result") or {}).get("segments_count"),
+            })
+    print(json.dumps({"prefix": cfg.prefix, "collections": result}, ensure_ascii=False, indent=2))
+
+if __name__ == "__main__":
+    main()