diff --git a/CHANGELOG.md b/CHANGELOG.md
index c472d51..054c27d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## [Version 1.1.4](https://github.com/dataiku/dss-plugin-jira/releases/tag/v1.1.4) - Bug Fix release - 2025-10-29
 
 - Implement SSL check ignore on post requests (issue creation)
+- Bubble up 4XX errors on agent tool
 
 ## [Version 1.1.3](https://github.com/dataiku/dss-plugin-jira/releases/tag/v1.1.3) - Bug Fix release - 2025-09-11
 
diff --git a/python-agent-tools/create-issue/tool.py b/python-agent-tools/create-issue/tool.py
index 1e18d5f..982edf0 100644
--- a/python-agent-tools/create-issue/tool.py
+++ b/python-agent-tools/create-issue/tool.py
@@ -37,12 +37,7 @@ def get_descriptor(self, tool):
         }
 
     def create_jira_issue(self, summary: str, description: str, issue_type: str = "Task"):
-        try:
-            new_issue = self.client.create_issue(self.jira_project_key, summary, description, issue_type)
-            return new_issue
-
-        except Exception as exception:
-            return f"Error creating issue: {str(exception)}"
+        return self.client.create_issue(self.jira_project_key, summary, description, issue_type)
 
     def invoke(self, input, trace):
         args = input.get("input", {})
@@ -58,7 +53,7 @@ def invoke(self, input, trace):
         trace.attributes["config"] = {
             "jira_instance_url": jira_instance_url,
             "jira_project_key": self.jira_project_key
-        } 
+        }
 
         created_issue = self.create_jira_issue(summary, description)
 
@@ -68,10 +63,16 @@ def invoke(self, input, trace):
             )
         else:
             output_text = f"Issue created: {created_issue.get('key')} available at {jira_instance_url}browse/{created_issue.get('key')}" if isinstance(created_issue, dict) else created_issue
-        
+
         # Log outputs to trace
         trace.outputs["output"] = output_text
 
         return {
             "output": output_text
-        }
\ No newline at end of file
+        }
+
+    def load_sample_query(self, tool):
+        return {
+            "summary": "Computer not working",
+            "description": "User cannot log in his computer. Please create an account"
+        }
diff --git a/python-lib/jira_client.py b/python-lib/jira_client.py
index 58a09b2..27d1d8d 100644
--- a/python-lib/jira_client.py
+++ b/python-lib/jira_client.py
@@ -245,6 +245,7 @@ def create_issue(self, jira_project_key, summary, description, issue_type):
         # This data form does not work on v3
         url = "/".join([self.get_site_url(), "rest/api/2/issue"])
         response = self.post(url=url, json=json)
+        raise_on_response_error(response, context="Failure while creating issue")
         json_response = response.json()
         return json_response
 
@@ -311,3 +312,47 @@ def arrayed(data):
         return data
     else:
         return [data]
+
+
+def raise_on_response_error(response, context=""):
+    if not isinstance(response, requests.Response):
+        raise Exception("The response from server is not recognized")
+    status_code = response.status_code
+    if status_code > 299 or status_code < 200:
+        json_response = safe_json(response)
+        if json_response:
+            message = extract_message(json_response)
+            if not message:
+                message = response.text
+        else:
+            message = response.text
+        raise Exception(
+            "Error {}: {}: {}".format(
+                status_code,
+                context,
+                message
+            )
+        )
+
+
+def extract_message(json_response):
+    paths = [
+        ["errors", "summary"],
+        ["errors", "issuetype"],
+        ["errors", "description"]
+    ]
+    for path in paths:
+        next_token = json_response
+        for token in path:
+            next_token = next_token.get(token, {})
+        if next_token:
+            return next_token
+    return None
+
+
+def safe_json(response):
+    try:
+        reponse_content = response.json()
+    except Exception:
+        return None
+    return reponse_content