fix(anthropic): only include tool description if it exists

Avoids setting description to literal 'None' string when missing.

Co-Authored-By: Claude 3.5 Sonnet <noreply@anthropic.com>

Author: valkrypton

sentry_sdk/integrations/anthropic.py

@@ -13,7 +13,6 @@
     truncate_and_annotate_messages,
     get_start_span_function,
     transform_anthropic_content_part,
-    _normalize_data,
 )
 from sentry_sdk.consts import OP, SPANDATA, SPANSTATUS
 from sentry_sdk.integrations import _check_minimum_version, DidNotEnable, Integration
@@ -379,13 +378,16 @@ def _transform_anthropic_tools(
 
         transformed_tool = {
             "name": tool.get("name"),
-            "description": tool.get("description"),
             "type": "function",
         }
 
+        description = tool.get("description")
+        if description is not None:
+            transformed_tool["description"] = description
+
         input_schema = tool.get("input_schema")
-        if input_schema:
-            transformed_tool["parameters"] = _normalize_data(input_schema, unpack=False)
+        if input_schema is not None:
+            transformed_tool["parameters"] = input_schema
 
         transformed_tools.append(transformed_tool)
 

tests/integrations/anthropic/test_anthropic_tools_definitions.py

@@ -41,7 +41,14 @@
             },
             "required": ["location"],
         },
-    }
+    },
+    {
+        "name": "no_description_tool",
+        "input_schema": {
+            "type": "object",
+            "properties": {"arg1": {"type": "string"}},
+        },
+    },
 ]
 
 
@@ -96,13 +103,21 @@ def test_tool_definitions_in_create_message(
     if send_default_pii and include_prompts:
         assert SPANDATA.GEN_AI_TOOL_DEFINITIONS in span["data"]
         tool_definitions = json.loads(span["data"][SPANDATA.GEN_AI_TOOL_DEFINITIONS])
-        assert len(tool_definitions) == 1
+        assert len(tool_definitions) == 2
+
+        # Check tool with description
         assert tool_definitions[0]["name"] == "get_weather"
         assert (
             tool_definitions[0]["description"]
             == "Get the current weather in a given location"
         )
         assert tool_definitions[0]["type"] == "function"
         assert tool_definitions[0]["parameters"] == TOOLS[0]["input_schema"]
+
+        # Check tool without description
+        assert tool_definitions[1]["name"] == "no_description_tool"
+        assert "description" not in tool_definitions[1]
+        assert tool_definitions[1]["type"] == "function"
+        assert tool_definitions[1]["parameters"] == TOOLS[1]["input_schema"]
     else:
         assert SPANDATA.GEN_AI_TOOL_DEFINITIONS not in span["data"]