diff --git a/SPEC.md b/SPEC.md
index cc4d0eb..7bcff1b 100644
--- a/SPEC.md
+++ b/SPEC.md
@@ -87,6 +87,14 @@ a00.r.r[]       → Kreise
   .name         → Kreisname
 ```
 
+### `taskgettasklists` – Listen abrufen
+POST https://api.familywall.com/api/taskgettasklists
+Content-Type: application/x-www-form-urlencoded
+
+**Body-Parameter:** keine
+
+**Response-Struktur:** zu verifizieren beim ersten echten Call
+
 ### `accgetallfamily` – Listen + Tasks abrufen
 POST https://api.familywall.com/api/accgetallfamily
 Content-Type: application/x-www-form-urlencoded
diff --git a/pyproject.toml b/pyproject.toml
index 7d4f123..45d0848 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "mcp-familywall"
-version = "0.2.3"
+version = "0.2.4"
 description = "MCP server for Family Wall — read your family's lists and tasks via Claude"
 readme = "README.md"
 requires-python = ">=3.12"
diff --git a/src/mcp_familywall/__init__.py b/src/mcp_familywall/__init__.py
index d31c31e..788da1f 100644
--- a/src/mcp_familywall/__init__.py
+++ b/src/mcp_familywall/__init__.py
@@ -1 +1 @@
-__version__ = "0.2.3"
+__version__ = "0.2.4"
diff --git a/src/mcp_familywall/server.py b/src/mcp_familywall/server.py
index fe65724..d60316f 100644
--- a/src/mcp_familywall/server.py
+++ b/src/mcp_familywall/server.py
@@ -166,6 +166,8 @@ def get_circles() -> str:
 def get_lists(scope: str | None = None) -> str:
     """Return all task lists, optionally filtered by circle name.
 
+    Uses the taskgettasklists endpoint directly.
+
     Args:
         scope: Optional circle name to filter by. When None, all lists from
                all circles are returned.
@@ -175,30 +177,49 @@ def get_lists(scope: str | None = None) -> str:
         id, name, type, open, total.
     """
     try:
-        data = _accgetallfamily()
+        email, password = get_credentials()
     except RuntimeError as exc:
         return f"Error: {exc}"
 
-    raw_lists = _extract_lists(data)
-    if not raw_lists:
-        # Return raw response for debugging if no lists found at expected path
+    try:
+        with FamilyWallClient() as client:
+            client.login(email, password)
+            data = client.call("taskgettasklists", {})
+            client.logout()
+    except FamilyWallError as exc:
+        return f"Error: {exc}"
+    except Exception as exc:
+        return f"Connection error: {exc}"
+
+    # Try known response patterns; fall back to raw JSON for verification.
+    raw_lists: list[dict[str, Any]] | None = None
+    try:
+        candidate = data["a00"]["r"]["r"]
+        if isinstance(candidate, list):
+            raw_lists = candidate
+        elif isinstance(candidate, dict) and isinstance(candidate.get("updatedCreated"), list):
+            raw_lists = candidate["updatedCreated"]
+    except (KeyError, TypeError):
+        pass
+
+    if raw_lists is None:
+        # Response structure not yet verified — return raw JSON for inspection.
         return json.dumps(
-            {"warning": "No lists found at expected path", "raw": data},
+            {"warning": "Unexpected taskgettasklists response structure", "raw": data},
             ensure_ascii=False,
             indent=2,
         )
 
     result = []
     for item in raw_lists:
-        # _extract_lists already normalises to {id, name, type, open, total}.
         # TODO: apply scope filtering once the circle field is identified.
         result.append(
             {
-                "id": item.get("id"),
+                "id": item.get("metaId"),
                 "name": translate_name(item.get("name", "")),
-                "type": item.get("type"),
-                "open": item.get("open"),
-                "total": item.get("total"),
+                "type": item.get("taskListType"),
+                "open": item.get("remainingTaskNumber"),
+                "total": item.get("totalTaskNumber"),
             }
         )