diff --git a/gpt_engineer/applications/cli/main.py b/gpt_engineer/applications/cli/main.py
index 95158bc000..a965bdc52d 100644
--- a/gpt_engineer/applications/cli/main.py
+++ b/gpt_engineer/applications/cli/main.py
@@ -26,8 +26,11 @@
 """
 
 import difflib
+import json
 import logging
 import os
+import platform
+import subprocess
 import sys
 
 from pathlib import Path
@@ -237,6 +240,34 @@ def prompt_yesno() -> bool:
         print("Please respond with 'y' or 'n'")
 
 
+def get_system_info():
+    system_info = {
+        "os": platform.system(),
+        "os_version": platform.version(),
+        "architecture": platform.machine(),
+        "python_version": sys.version,
+        "packages": format_installed_packages(get_installed_packages()),
+    }
+    return system_info
+
+
+def get_installed_packages():
+    try:
+        result = subprocess.run(
+            [sys.executable, "-m", "pip", "list", "--format=json"],
+            capture_output=True,
+            text=True,
+        )
+        packages = json.loads(result.stdout)
+        return {pkg["name"]: pkg["version"] for pkg in packages}
+    except Exception as e:
+        return str(e)
+
+
+def format_installed_packages(packages):
+    return "\n".join([f"{name}: {version}" for name, version in packages.items()])
+
+
 @app.command(
     help="""
         GPT-engineer lets you:
@@ -329,6 +360,11 @@ def main(
         "--no_execution",
         help="Run setup but to not call LLM or write any code. For testing purposes.",
     ),
+    sysinfo: bool = typer.Option(
+        False,
+        "--sysinfo",
+        help="Output system information for debugging",
+    ),
 ):
     """
     The main entry point for the CLI tool that generates or improves a project.
@@ -369,6 +405,8 @@ def main(
         Flag indicating whether to enable verbose logging.
     no_execution: bool
         Run setup but to not call LLM or write any code. For testing purposes.
+    sysinfo: bool
+        Flag indicating whether to output system information for debugging.
 
     Returns
     -------
@@ -380,6 +418,12 @@ def main(
 
         sys.excepthook = lambda *_: pdb.pm()
 
+    if sysinfo:
+        sys_info = get_system_info()
+        for key, value in sys_info.items():
+            print(f"{key}: {value}")
+        raise typer.Exit()
+
     # Validate arguments
     if improve_mode and (clarify_mode or lite_mode):
         typer.echo("Error: Clarify and lite mode are not compatible with improve mode.")