diff --git a/sentry_sdk/integrations/openai_agents/spans/execute_tool.py b/sentry_sdk/integrations/openai_agents/spans/execute_tool.py
index 12a4fe30a5..4a7bf70de0 100644
--- a/sentry_sdk/integrations/openai_agents/spans/execute_tool.py
+++ b/sentry_sdk/integrations/openai_agents/spans/execute_tool.py
@@ -29,7 +29,7 @@ def execute_tool_span(
 
     if should_send_default_pii():
         input = args[1]
-        span.set_data(SPANDATA.GEN_AI_TOOL_INPUT, input)
+        span.set_data(SPANDATA.GEN_AI_TOOL_INPUT, safe_repr(input))
 
     return span
 
diff --git a/sentry_sdk/integrations/openai_agents/utils.py b/sentry_sdk/integrations/openai_agents/utils.py
index 7acc3506be..394aad085e 100644
--- a/sentry_sdk/integrations/openai_agents/utils.py
+++ b/sentry_sdk/integrations/openai_agents/utils.py
@@ -228,7 +228,7 @@ def _create_mcp_execute_tool_spans(
                 execute_tool_span.set_data(SPANDATA.GEN_AI_TOOL_NAME, output.name)
                 if should_send_default_pii():
                     execute_tool_span.set_data(
-                        SPANDATA.GEN_AI_TOOL_INPUT, output.arguments
+                        SPANDATA.GEN_AI_TOOL_INPUT, safe_repr(output.arguments)
                     )
                     execute_tool_span.set_data(
                         SPANDATA.GEN_AI_TOOL_OUTPUT, safe_repr(output.output)