diff --git a/packages/common-library/src/common_library/errors_classes.py b/packages/common-library/src/common_library/errors_classes.py
index dfee557d38c..00cae26d1b2 100644
--- a/packages/common-library/src/common_library/errors_classes.py
+++ b/packages/common-library/src/common_library/errors_classes.py
@@ -52,3 +52,47 @@ def error_context(self) -> dict[str, Any]:
     def error_code(self) -> str:
         assert isinstance(self, Exception), "subclass must be exception"  # nosec
         return create_error_code(self)
+
+
+class BaseOsparcError(OsparcErrorMixin, Exception): ...
+
+
+class NotFoundError(BaseOsparcError):
+    msg_template = "{resource} not found: id='{resource_id}'"
+
+
+class ForbiddenError(BaseOsparcError):
+    msg_template = "Access to {resource} is forbidden: id='{resource_id}'"
+
+
+def make_resource_error(
+    resource: str,
+    error_cls: type[BaseOsparcError],
+    base_exception: type[Exception] = Exception,
+) -> type[BaseOsparcError]:
+    """
+    Factory function to create a custom error class for a specific resource.
+
+    This function dynamically generates an error class that inherits from the provided
+    `error_cls` and optionally a `base_exception`. The generated error class automatically
+    includes the resource name and resource ID in its context and message.
+
+    See usage examples in test_errors_classes.py
+
+    LIMITATIONS: for the moment, exceptions produces with this factory cannot be serialized with pickle.
+    And therefore it cannot be used as exception of RabbitMQ-RPC interface
+    """
+
+    class _ResourceError(error_cls, base_exception):
+        def __init__(self, **ctx: Any):
+            ctx.setdefault("resource", resource)
+
+            # guesses identifer e.g. project_id, user_id
+            if resource_id := ctx.get(f"{resource.lower()}_id"):
+                ctx.setdefault("resource_id", resource_id)
+
+            super().__init__(**ctx)
+
+    resource_class_name = "".join(word.capitalize() for word in resource.split("_"))
+    _ResourceError.__name__ = f"{resource_class_name}{error_cls.__name__}"
+    return _ResourceError
diff --git a/packages/common-library/tests/test_errors_classes.py b/packages/common-library/tests/test_errors_classes.py
index 808ed09c40d..5a6c4d5f87a 100644
--- a/packages/common-library/tests/test_errors_classes.py
+++ b/packages/common-library/tests/test_errors_classes.py
@@ -9,7 +9,12 @@
 from typing import Any
 
 import pytest
-from common_library.errors_classes import OsparcErrorMixin
+from common_library.errors_classes import (
+    ForbiddenError,
+    NotFoundError,
+    OsparcErrorMixin,
+    make_resource_error,
+)
 
 
 def test_get_full_class_name():
@@ -154,3 +159,47 @@ class MyError(OsparcErrorMixin, ValueError):
         "message": "42 and 'missing=?'",
         "value": 42,
     }
+
+
+def test_resource_error_factory():
+    ProjectNotFoundError = make_resource_error("project", NotFoundError)
+
+    error_1 = ProjectNotFoundError(resource_id="abc123")
+    assert "resource_id" in error_1.error_context()
+    assert error_1.resource_id in error_1.message  # type: ignore
+
+
+def test_resource_error_factory_auto_detect_resource_id():
+    ProjectForbiddenError = make_resource_error("project", ForbiddenError)
+    error_2 = ProjectForbiddenError(project_id="abc123", other_id="foo")
+    assert (
+        error_2.resource_id == error_2.project_id  # type: ignore
+    ), "auto-detects project ids as resourceid"
+    assert error_2.other_id  # type: ignore
+    assert error_2.code == "BaseOsparcError.ForbiddenError.ProjectForbiddenError"
+
+    assert error_2.error_context() == {
+        "project_id": "abc123",
+        "other_id": "foo",
+        "resource": "project",
+        "resource_id": "abc123",
+        "message": "Access to project is forbidden: id='abc123'",
+        "code": "BaseOsparcError.ForbiddenError.ProjectForbiddenError",
+    }
+
+
+def test_resource_error_factory_different_base_exception():
+
+    class MyServiceError(Exception): ...
+
+    OtherProjectForbiddenError = make_resource_error(
+        "other_project", ForbiddenError, MyServiceError
+    )
+
+    assert issubclass(OtherProjectForbiddenError, MyServiceError)
+
+    error_3 = OtherProjectForbiddenError(project_id="abc123")
+    assert (
+        error_3.code
+        == "MyServiceError.BaseOsparcError.ForbiddenError.OtherProjectForbiddenError"
+    )
diff --git a/scripts/rewrite_errors_llm.py b/scripts/rewrite_errors_llm.py
new file mode 100644
index 00000000000..3d2c9ac826f
--- /dev/null
+++ b/scripts/rewrite_errors_llm.py
@@ -0,0 +1,127 @@
+# /// script
+# requires-python = ">=3.11"
+# dependencies = [
+#     "aiohttp",
+#     "dotenv",
+#     "iofiles",
+#     "json",
+#     "openai",
+# ]
+# ///
+
+
+import asyncio
+import getpass
+import json
+import os
+from pathlib import Path
+
+import aiofiles
+import aiohttp
+from dotenv import load_dotenv
+from openai import AsyncOpenAI
+
+
+def get_openai_api_key() -> str:
+    # Try to get the API key from the environment variable
+    if api_key := os.getenv("OPENAI_API_KEY"):
+        return api_key
+
+    # Load environment variables from a .env file if not already loaded
+    load_dotenv()
+    if api_key := os.getenv("OPENAI_API_KEY"):
+        return api_key
+
+    # Prompt the user for the API key as a last resort
+    return getpass.getpass("Enter your OPENAI_API_KEY: ")
+
+
+# --- Config ---
+GUIDELINES_URL = "https://raw.githubusercontent.com/ITISFoundation/osparc-simcore/refs/heads/master/docs/messages-guidelines.md"
+INPUT_FILE = "errors.txt"  # Supports either .txt (one per line) or .json (list)
+MODEL = "gpt-4"
+API_KEY = get_openai_api_key()
+
+client = AsyncOpenAI(api_key=API_KEY)
+
+# --- Functions ---
+
+
+async def fetch_guidelines() -> str:
+    async with aiohttp.ClientSession() as session, session.get(GUIDELINES_URL) as resp:
+        return await resp.text()
+
+
+async def load_messages(filepath: str) -> list[str]:
+    path = Path(filepath)
+    async with aiofiles.open(path) as f:
+        content = await f.read()
+    try:
+        return json.loads(content)
+    except json.JSONDecodeError:
+        return [line.strip() for line in content.splitlines() if line.strip()]
+
+
+def build_system_prompt(guidelines: str) -> str:
+    return f"""
+You are a technical writing assistant specialized in crafting professional error and warning messages.
+Your task is to rewrite the given error message to strictly adhere to the oSparc Simcore message guidelines.
+
+Here are the guidelines:
+{guidelines}
+
+Instructions:
+- Follow all the principles from the message guidelines.
+- Ensure the message is concise, user-focused, actionable, and avoids developer jargon.
+- If there is not enough context, ask a clarifying question.
+
+Use this format only:
+If enough context:
+REWRITTEN: <rewritten message>
+If not enough context:
+NEED MORE INFO: <your clarifying question(s)>
+""".strip()
+
+
+async def rewrite_message(message: str, system_prompt: str, index: int) -> dict:
+    try:
+        response = await client.chat.completions.create(
+            model=MODEL,
+            messages=[
+                {"role": "system", "content": system_prompt},
+                {"role": "user", "content": f"ERROR: {message}"},
+            ],
+            temperature=0,
+        )
+        return {
+            "index": index,
+            "original": message,
+            "output": response.choices[0].message.content.strip(),
+        }
+    except Exception as e:
+        return {"index": index, "original": message, "error": str(e)}
+
+
+# --- Main Flow ---
+
+
+async def main():
+    guidelines = await fetch_guidelines()
+    system_prompt = build_system_prompt(guidelines)
+    messages = await load_messages(INPUT_FILE)
+
+    tasks = [
+        rewrite_message(msg, system_prompt, i) for i, msg in enumerate(messages, 1)
+    ]
+    results = await asyncio.gather(*tasks)
+
+    for result in results:
+        print(f"\n[{result['index']}] Original: {result['original']}")
+        if "output" in result:
+            print(result["output"])
+        else:
+            print(f"ERROR: {result['error']}")
+
+
+if __name__ == "__main__":
+    asyncio.run(main())
diff --git a/scripts/user-message-reviewer/message_extraction.py b/scripts/user-message-reviewer/message_extraction.py
new file mode 100644
index 00000000000..26e7aa26129
--- /dev/null
+++ b/scripts/user-message-reviewer/message_extraction.py
@@ -0,0 +1,59 @@
+import ast
+import json
+from pathlib import Path
+
+"""
+def mark_for_review(message):
+    return message
+
+# Example error messages
+error_message = mark_for_review("Invalid input: '{input_value}'")
+not_found_message = mark_for_review("File '{filename}' was not found")
+"""
+
+
+def extract_unreviewed_messages(code_file, output_file, condition=None):
+    """
+    Extracts messages from mark_for_review calls that match a condition on the version tag.
+
+    Parameters:
+        code_file (str): Path to the Python source code file.
+        output_file (str): Path to save the extracted messages as a JSON file.
+        condition (callable, optional): A function to evaluate the version tag. If None, extracts messages with no version tag.
+    """
+    with Path.open(code_file) as f:
+        tree = ast.parse(f.read())
+
+    messages = {}
+
+    # Walk through the AST to find calls to `mark_for_review`
+    for node in ast.walk(tree):
+        if (
+            isinstance(node, ast.Call)
+            and getattr(node.func, "id", None) == "mark_for_review"
+        ):
+            if len(node.args) >= 1 and isinstance(node.args[0], ast.Constant):
+                original_message = node.args[0].value
+                version = None
+
+                # Check if a second argument (version) exists
+                if len(node.args) > 1 and isinstance(node.args[1], ast.Constant):
+                    version = node.args[1].value
+
+                # Apply the filter condition
+                if condition is None or condition(version):
+                    key = f"{node.lineno}_{node.col_offset}"  # Unique key based on location
+                    messages[key] = {"message": original_message, "version": version}
+
+    # Save extracted messages to a JSON file
+    with Path.open(output_file, "w") as f:
+        json.dump(messages, f, indent=4)
+
+
+# Example usage
+# Condition: Extract messages with no version or explicitly unreviewed (e.g., version is None or "unreviewed")
+def is_unreviewed(version):
+    return version is None or version == "unreviewed"
+
+
+# extract_unreviewed_messages("your_script.py", "unreviewed_messages.json", condition=is_unreviewed)
diff --git a/scripts/user-message-reviewer/message_refinement.py b/scripts/user-message-reviewer/message_refinement.py
new file mode 100644
index 00000000000..cbfd58fd386
--- /dev/null
+++ b/scripts/user-message-reviewer/message_refinement.py
@@ -0,0 +1,90 @@
+import json
+import os
+from pathlib import Path
+
+import openai
+
+# Set your OpenAI API key
+openai.api_key = os.environ["OPENAPI_API_KEY"]
+
+
+def load_rules(rules_file):
+    """Load rules for message refinement from a JSON file."""
+    with Path.open(rules_file) as f:
+        return json.load(f)
+
+
+def load_messages(messages_file):
+    """Load messages from the messages.json file."""
+    with Path.open(messages_file) as f:
+        return json.load(f)
+
+
+def send_to_chatgpt(messages, rules):
+    """Send messages and rules to ChatGPT and request alternatives."""
+    refined_messages = {}
+    for key, details in messages.items():
+        message = details["message"]
+        version = details.get("version", "unknown")
+
+        # Prepare the prompt
+        prompt = f"""
+You are a language expert. Apply the following rules to suggest alternatives for the given message:
+
+Rules:
+- Tone: {rules['tone']}
+- Style: {rules['style']}
+- Length: {rules['length']}
+- Placeholders: {rules['placeholders']}
+
+Original Message: "{message}"
+
+Provide three alternatives based on the above rules. Ensure placeholders remain intact.
+"""
+
+        # Send the request to ChatGPT
+        response = openai.Completion.create(
+            engine="text-davinci-003", prompt=prompt, max_tokens=150, temperature=0.7
+        )
+
+        # Parse the response
+        alternatives = response.choices[0].text.strip()
+        refined_messages[key] = {
+            "original": message,
+            "version": version,
+            "alternatives": alternatives.split(
+                "\n"
+            ),  # Split into list if alternatives are on separate lines
+        }
+
+    return refined_messages
+
+
+def save_refined_messages(output_file, refined_messages):
+    """Save the refined messages to a JSON file."""
+    with Path.open(output_file, "w") as f:
+        json.dump(refined_messages, f, indent=4)
+
+
+# Example usage
+# update_messages_in_code("your_script.py", "messages.json")
+
+
+# Main script
+if __name__ == "__main__":
+    # File paths
+    messages_file = "messages.json"
+    rules_file = "rules.json"
+    output_file = "refined_messages.json"
+
+    # Load inputs
+    rules = load_rules(rules_file)
+    messages = load_messages(messages_file)
+
+    # Process messages with ChatGPT
+    refined_messages = send_to_chatgpt(messages, rules)
+
+    # Save the refined messages
+    save_refined_messages(output_file, refined_messages)
+
+    print(f"Refined messages saved to {output_file}.")
diff --git a/scripts/user-message-reviewer/message_reintegration.py b/scripts/user-message-reviewer/message_reintegration.py
new file mode 100644
index 00000000000..cea9aed8624
--- /dev/null
+++ b/scripts/user-message-reviewer/message_reintegration.py
@@ -0,0 +1,43 @@
+import ast
+import json
+from pathlib import Path
+
+import astor
+
+
+def update_messages_in_code(code_file, messages_file):
+    # Load corrected messages from the JSON file
+    with Path.open(messages_file) as f:
+        corrected_messages = json.load(f)
+
+    # Parse the Python code
+    with Path.open(code_file) as f:
+        tree = ast.parse(f.read())
+
+    # Walk through the AST to find calls to `mark_for_review`
+    for node in ast.walk(tree):
+        if (
+            isinstance(node, ast.Call)
+            and getattr(node.func, "id", None) == "mark_for_review"
+        ):
+            # Get the original message
+            if isinstance(node.args[0], ast.Constant):
+                original_message = node.args[0].value
+
+                # Match it with corrected messages
+                for key, corrected_message in corrected_messages.items():
+                    if original_message == corrected_message["original"]:
+                        # Replace the message with the corrected version
+                        node.args[0].value = corrected_message["current"]
+
+                        # Add the version as the second argument
+                        version_node = ast.Constant(value=corrected_message["version"])
+                        if len(node.args) == 1:
+                            node.args.append(version_node)
+                        else:
+                            node.args[1] = version_node
+
+    # Write the updated code back to the file
+    updated_code = astor.to_source(tree)
+    with Path.open(code_file, "w") as f:
+        f.write(updated_code)