diff --git a/scripts/podx-tools.sh b/scripts/podx-tools.sh
index 61c247f..90be100 100755
--- a/scripts/podx-tools.sh
+++ b/scripts/podx-tools.sh
@@ -107,14 +107,60 @@ _kb_id_by_name() {
   _require "OPENWEBUI_URL" "$OPENWEBUI_URL"
   local url
   url="$(_owui_url)/api/v1/knowledge/list"
-  curl -sS -H "Authorization: Bearer $OPENWEBUI_API_KEY" "$url" \
-    | python3 -c 'import sys,json,os; name=os.environ.get("KB_NAME");
+
+  # Fetch list once
+  local body tmp_code
+  body="$(_mktemp)"; tmp_code="$(_mktemp)"
+  curl -sS -H "Authorization: Bearer $OPENWEBUI_API_KEY" \
+    -w "%{http_code}" --output "$body" "$url" >"$tmp_code" || true
+  local http_code; http_code="$(cat "$tmp_code" 2>/dev/null || echo 0)"; rm -f "$tmp_code"
+
+  # If non-200, return empty
+  if [ "$http_code" != "200" ]; then
+    rm -f "$body"; echo ""; return
+  fi
+
+  # Parse with python: prefer exact name match; if multiple, choose by latest updated_at; else try substring match
+  local id
+  id="$(python3 - "$kb_name" <"$body" 2>/dev/null <<'PY'
+import sys, json
+name = sys.argv[1]
 try:
-  data=json.load(sys.stdin)
+    data = json.load(sys.stdin)
 except Exception:
-  print("", end=""); sys.exit(0)
-print(next((kb.get("id","") for kb in data if kb.get("name")==name), ""), end="")' \
-    KB_NAME="$kb_name"
+    print("")
+    sys.exit(0)
+
+# Normalize to list
+if not isinstance(data, list):
+    print("")
+    sys.exit(0)
+
+candidates = [kb for kb in data if (kb.get('name') or '') == name]
+# If nothing exact, try substring (case-insensitive)
+if not candidates:
+    lname = name.lower()
+    candidates = [kb for kb in data if lname in (kb.get('name') or '').lower()]
+
+if not candidates:
+    print("")
+    sys.exit(0)
+
+# Choose the one with the newest updated_at (numeric seconds); fall back to created_at; else first.
+from operator import itemgetter
+
+def ts(kb, key):
+    try:
+        return int(kb.get(key) or 0)
+    except Exception:
+        return 0
+
+best = sorted(candidates, key=lambda kb: (ts(kb,'updated_at'), ts(kb,'created_at')), reverse=True)[0]
+print(best.get('id',''))
+PY
+)"
+  rm -f "$body"
+  echo "$id"
 }
 
 _help() {
@@ -133,6 +179,8 @@ Meilisearch:
 OpenWebUI:
   owui-health                        # check API health (200)
   owui-kbs                           # list knowledge bases
+  owui-kbs-raw                      # list knowledge bases raw JSON (debug)
+  owui-kb-debug "<KB Name>"          # debug KB id resolution
   owui-kb-id "<KB Name>"             # print the KB UUID by exact name
   owui-upload </abs/path/file>       # upload a file, prints file_id
   owui-attach "<KB Name>" </abs/path/file>    # upload + attach to KB
@@ -235,6 +283,27 @@ print(f\"Indexed {n} document(s).\")"
       "$(_owui_url)/api/v1/knowledge/list" | ppjson
     ;;
 
+  owui-kbs-raw)
+    _require "OPENWEBUI_URL" "$OPENWEBUI_URL"
+    _require "OPENWEBUI_API_KEY" "$OPENWEBUI_API_KEY"
+    curl -sS -H "Authorization: Bearer $OPENWEBUI_API_KEY" \
+      "$(_owui_url)/api/v1/knowledge/list"
+    ;;
+
+  owui-kb-debug)
+    shift || true
+    name="${1:-}"
+    if [ -z "$name" ]; then echo "Usage: owui-kb-debug \"<KB Name>\"" >&2; exit 1; fi
+    _require "OPENWEBUI_URL" "$OPENWEBUI_URL"
+    _require "OPENWEBUI_API_KEY" "$OPENWEBUI_API_KEY"
+    echo "[debug] Resolved KB URL: $(_owui_url)"
+    echo "[debug] Looking for KB name: $name"
+    echo "[debug] Listing KBs (pretty):"
+    curl -sS -H "Authorization: Bearer $OPENWEBUI_API_KEY" \
+      "$(_owui_url)/api/v1/knowledge/list" | ppjson
+    echo "[debug] Resolved KB id: $(_kb_id_by_name "$name")"
+    ;;
+
   owui-kb-id)
     shift || true
     name="${1:-}"
@@ -304,7 +373,11 @@ print(f\"Indexed {n} document(s).\")"
     # 2) Resolve KB and attach
     KB_ID="$(_kb_id_by_name "$kb_name")"
     echo "[owui] attaching to KB: $kb_name  (id: $KB_ID)"
-    if [ -z "$KB_ID" ]; then echo "KB '$kb_name' not found"; exit 1; fi
+    if [ -z "$KB_ID" ]; then
+      echo "KB '$kb_name' not found (or ambiguous)." >&2
+      echo "Tip: run './scripts/podx-tools.sh owui-kb-debug \"$kb_name\"' to inspect the KB list and resolved id." >&2
+      exit 1
+    fi
 
     # Attach: capture headers, body, http code and curl exit
     tmp_body="$(_mktemp)"; tmp_code="$(_mktemp)"; tmp_hdrs="$(_mktemp)"