diff --git a/scripts/utils/upload-artifact.sh b/scripts/utils/upload-artifact.sh
index 5005b6fca..6cf3aa3a7 100755
--- a/scripts/utils/upload-artifact.sh
+++ b/scripts/utils/upload-artifact.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -exuo pipefail
+set -euo pipefail
 
 FILENAME=$(basename dist/*.whl)
 
@@ -14,11 +14,11 @@ if [[ "$SIGNED_URL" == "null" ]]; then
   exit 1
 fi
 
-UPLOAD_RESPONSE=$(curl -v -X PUT \
+HTTP_CODE=$(curl -w '%{http_code}' -o /dev/null -s -X PUT \
   -H "Content-Type: binary/octet-stream" \
-  --data-binary "@dist/$FILENAME" "$SIGNED_URL" 2>&1)
+  --data-binary "@dist/$FILENAME" "$SIGNED_URL")
 
-if echo "$UPLOAD_RESPONSE" | grep -q "HTTP/[0-9.]* 200"; then
+if [[ "$HTTP_CODE" == "200" ]]; then
   echo -e "\033[32mUploaded build to Stainless storage.\033[0m"
   echo -e "\033[32mInstallation: pip install 'https://pkg.stainless.com/s/anthropic-python/$SHA/$FILENAME'\033[0m"
 else
diff --git a/src/anthropic/lib/tools/_beta_runner.py b/src/anthropic/lib/tools/_beta_runner.py
index f466c1534..57367a580 100644
--- a/src/anthropic/lib/tools/_beta_runner.py
+++ b/src/anthropic/lib/tools/_beta_runner.py
@@ -192,7 +192,7 @@ def _generate_tool_call_response(self) -> BetaMessageParam | None:
                     {
                         "type": "tool_result",
                         "tool_use_id": tool_use.id,
-                        "content": repr(exc),
+                        "content": f"Error: Tool '{tool_use.name}' execution failed. Check logs for details.",
                         "is_error": True,
                     }
                 )
@@ -359,7 +359,7 @@ async def _generate_tool_call_response(self) -> BetaMessageParam | None:
                     {
                         "type": "tool_result",
                         "tool_use_id": tool_use.id,
-                        "content": repr(exc),
+                        "content": f"Error: Tool '{tool_use.name}' execution failed. Check logs for details.",
                         "is_error": True,
                     }
                 )