fix(creatives): strip deprecated standard_enhancements from GET responses

meta_ads_mcp/core/ads.py

@@ -185,6 +185,26 @@ def _translate_asset_customization_rules(
 )
 
 
+def _strip_deprecated_standard_enhancements(creative: Dict[str, Any]) -> None:
+    """Drop the deprecated standard_enhancements key from a creative dict in place.
+
+    Meta still emits `standard_enhancements` inside `creative_features_spec` on GET
+    responses but rejects it on POST with error_subcode 3858504. LLMs frequently copy
+    GET responses straight into the next mutation, so stripping it here prevents the
+    deprecated field from being re-introduced via the model.
+    """
+    if not isinstance(creative, dict):
+        return
+    cfs = creative.get("creative_features_spec")
+    if isinstance(cfs, dict):
+        cfs.pop("standard_enhancements", None)
+    dof = creative.get("degrees_of_freedom_spec")
+    if isinstance(dof, dict):
+        dof_cfs = dof.get("creative_features_spec")
+        if isinstance(dof_cfs, dict):
+            dof_cfs.pop("standard_enhancements", None)
+
+
 def _translate_video_customization_rules(
     rules: List[Dict[str, Any]],
     videos_array: List[Dict[str, Any]],
@@ -536,6 +556,8 @@ async def get_creative_details(creative_id: str, access_token: Optional[str] = N
             except Exception:
                 pass  # Non-critical
 
+    _strip_deprecated_standard_enhancements(data)
+
     return json.dumps(data, indent=2)
 
 
@@ -685,6 +707,9 @@ async def get_ad_creatives(ad_id: str, access_token: Optional[str] = None) -> st
                 except Exception:
                     pass  # Non-critical
 
+        for creative in data['data']:
+            _strip_deprecated_standard_enhancements(creative)
+
     return json.dumps(data, indent=2)
 
 

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "meta-ads-mcp"
-version = "1.0.97"
+version = "1.0.98"
 description = "Model Context Protocol (MCP) server for Meta Ads - Use Remote MCP at pipeboard.co for easiest setup"
 readme = "README.md"
 requires-python = ">=3.10"

tests/test_get_ad_creatives_fix.py

@@ -125,18 +125,54 @@ async def test_get_ad_creatives_no_ad_id(self):
 
     async def test_get_ad_creatives_empty_data(self):
         """Test get_ad_creatives when API returns empty data."""
-        
+
         empty_data = {"data": []}
-        
+
         with patch('meta_ads_mcp.core.ads.make_api_request', new_callable=AsyncMock) as mock_api:
             mock_api.return_value = empty_data
-            
+
             result = await get_ad_creatives(access_token="test_token", ad_id="120228922933270272")
             result_data = json.loads(result)
-            
+
             assert "data" in result_data
             assert len(result_data["data"]) == 0
 
+    async def test_get_ad_creatives_strips_standard_enhancements(self):
+        """The deprecated standard_enhancements key still surfaces on GET responses;
+        strip it so LLMs do not echo it into a subsequent POST (error_subcode 3858504)."""
+
+        creatives_with_se = {
+            "data": [
+                {
+                    "id": "creative_1",
+                    "name": "Has SE",
+                    "status": "ACTIVE",
+                    "creative_features_spec": {
+                        "standard_enhancements": {"enroll_status": "OPT_IN"},
+                        "image_touchups": {"enroll_status": "OPT_IN"},
+                    },
+                    "degrees_of_freedom_spec": {
+                        "creative_features_spec": {
+                            "standard_enhancements": {"enroll_status": "OPT_IN"},
+                            "profile_card": {"enroll_status": "OPT_IN"},
+                        }
+                    },
+                }
+            ]
+        }
+
+        with patch('meta_ads_mcp.core.ads.make_api_request', new_callable=AsyncMock) as mock_api:
+            mock_api.return_value = creatives_with_se
+
+            result = await get_ad_creatives(access_token="test_token", ad_id="120228922933270272")
+            result_data = json.loads(result)
+            creative = result_data["data"][0]
+
+            assert "standard_enhancements" not in creative["creative_features_spec"]
+            assert creative["creative_features_spec"]["image_touchups"]["enroll_status"] == "OPT_IN"
+            assert "standard_enhancements" not in creative["degrees_of_freedom_spec"]["creative_features_spec"]
+            assert creative["degrees_of_freedom_spec"]["creative_features_spec"]["profile_card"]["enroll_status"] == "OPT_IN"
+
 
 def test_ad_creative_images_is_dict():
     """Test that ad_creative_images is a dictionary, not a function.

tests/test_get_creative_details.py

@@ -180,3 +180,41 @@ async def test_get_creative_details_api_error():
 
         data = parse_result(result)
         assert "error" in data
+
+
+@pytest.mark.asyncio
+async def test_get_creative_details_strips_standard_enhancements():
+    """Meta still emits the deprecated standard_enhancements key on GET; strip it
+    so the LLM does not copy it into a subsequent POST and trip error_subcode 3858504."""
+    mock_main_response = {
+        "id": "creative_se",
+        "name": "Has SE",
+        "status": "ACTIVE",
+        "creative_features_spec": {
+            "standard_enhancements": {"enroll_status": "OPT_IN"},
+            "image_touchups": {"enroll_status": "OPT_IN"},
+        },
+    }
+    mock_dcs_response = {}
+    mock_dof_response = {
+        "degrees_of_freedom_spec": {
+            "creative_features_spec": {
+                "standard_enhancements": {"enroll_status": "OPT_IN"},
+                "profile_card": {"enroll_status": "OPT_IN"},
+            }
+        }
+    }
+    mock_ps_response = {}
+
+    with patch("meta_ads_mcp.core.ads.make_api_request") as mock_api:
+        mock_api.side_effect = [mock_main_response, mock_dcs_response, mock_dof_response, mock_ps_response]
+
+        result = await get_creative_details(
+            creative_id="creative_se", access_token="test_token"
+        )
+
+        data = parse_result(result)
+        assert "standard_enhancements" not in data["creative_features_spec"]
+        assert data["creative_features_spec"]["image_touchups"]["enroll_status"] == "OPT_IN"
+        assert "standard_enhancements" not in data["degrees_of_freedom_spec"]["creative_features_spec"]
+        assert data["degrees_of_freedom_spec"]["creative_features_spec"]["profile_card"]["enroll_status"] == "OPT_IN"