diff --git a/README.md b/README.md
index 710bc03..7f86e65 100644
--- a/README.md
+++ b/README.md
@@ -102,7 +102,7 @@ shown in the image above of this README).
 
 To open the graphical editor, run:
 ```bash
-pysimblocks examples/quick_start/gui
+pysimblocks gui examples/quick_start/gui
 ```
 
 The quick-start GUI project is stored in a single
@@ -129,7 +129,7 @@ A collection of basic and advanced examples is available in the
 [examples](./examples) directory, including:
 
 - Control system demonstrations
-- SOFA-based simulations
+- SOFA-based simulations (tested with SOFA v24.06 and later.)
 - Hardware and real-time use cases
 - Comparisons with external tools
 
diff --git a/docs/User_Guide/tutorial_2_gui.md b/docs/User_Guide/tutorial_2_gui.md
index de229e1..13d0dcd 100644
--- a/docs/User_Guide/tutorial_2_gui.md
+++ b/docs/User_Guide/tutorial_2_gui.md
@@ -32,7 +32,7 @@ Create a new project folder and start the GUI:
 ```bash
 $ mkdir tutorial-gui
 $ cd tutorial-gui
-$ pysimblocks
+$ pysimblocks gui
 ```
 The main window opens, with the `Toolbar` at the top, the `Blocks List` on the left, and the `Diagram View` on the right.
 ![Gui](./images/tutorial_2-gui_main.png)
diff --git a/docs/User_Guide/tutorial_3_sofa.md b/docs/User_Guide/tutorial_3_sofa.md
index a25bc86..27bc4fc 100644
--- a/docs/User_Guide/tutorial_3_sofa.md
+++ b/docs/User_Guide/tutorial_3_sofa.md
@@ -2,8 +2,9 @@
 
 ## 1. Overview
 
-This tutorial builds on the closed-loop system introduced in [Tutorial 1](./tutorial_1_python.md) and [Tutorial 2](./tutorial_2_gui.md). We demonstrate how **pySimBlocks can be coupled with SOFA** 
-to control and interact with a physics-based simulation.
+This tutorial builds on the closed-loop system introduced in [Tutorial 1](./tutorial_1_python.md) 
+and [Tutorial 2](./tutorial_2_gui.md). We demonstrate how **pySimBlocks can be 
+coupled with SOFA** to control and interact with a physics-based simulation.
 
 ### 1.1 Goals
 
@@ -40,6 +41,7 @@ your environment so that:
 
 ### 2.1 Install SOFA
 
+> **Compatibility:** pySimBlocks has been tested with SOFA v24.06 and later.
 
 Install SOFA from the [website](https://www.sofa-framework.org/download/) either
 using the precompiled binaries (recommended) or building from source (advanced 
diff --git a/pySimBlocks/cli.py b/pySimBlocks/cli.py
index 9de687a..db53844 100644
--- a/pySimBlocks/cli.py
+++ b/pySimBlocks/cli.py
@@ -24,7 +24,12 @@
 
 
 def _run_gui(project_dir: str | None) -> None:
-    from pySimBlocks.gui.editor import run_app
+    try:
+        from pySimBlocks.gui.editor import run_app
+    except ImportError as e:
+        print(f"Error importing GUI modules: {e}")
+        print("Make sure PySide6 is installed to use the GUI editor.")
+        sys.exit(1)
 
     path = Path(project_dir).resolve() if project_dir else Path.cwd().resolve()
     run_app(path)
@@ -36,9 +41,13 @@ def _run_export(args: argparse.Namespace) -> None:
     output = Path(args.out) if args.out else None
 
     if args.sofa_controller:
-        from pySimBlocks.project.generate_sofa_controller import generate_sofa_controller
-
-        generate_sofa_controller(project_dir=project_dir, project_yaml=project_yaml)
+        try:
+            from pySimBlocks.project.generate_sofa_controller import generate_sofa_controller
+            generate_sofa_controller(project_dir=project_dir, project_yaml=project_yaml)
+        except Exception as e:
+            print(f"Error generating SOFA controller: {e}")
+            print("See SOFA integration documentation for troubleshooting.")
+            sys.exit(1)
     else:
         from pySimBlocks.project import generate_run_script
 
@@ -57,8 +66,7 @@ def _build_parser() -> argparse.ArgumentParser:
     parser = argparse.ArgumentParser(
         prog="pysimblocks",
         description=(
-            "pySimBlocks command line interface.\n"
-            "Default behavior with no subcommand: launch the GUI editor."
+            "pySimBlocks command line interface."
         ),
     )
 
@@ -104,17 +112,6 @@ def _build_parser() -> argparse.ArgumentParser:
 def main(argv: list[str] | None = None) -> None:
     args_list = list(sys.argv[1:] if argv is None else argv)
     parser = _build_parser()
-
-    if not args_list:
-        _run_gui(project_dir=None)
-        return
-
-    if args_list[0] not in {"gui", "export", "update", "-h", "--help"}:
-        if len(args_list) > 1:
-            parser.error(f"unrecognized arguments: {' '.join(args_list[1:])}")
-        _run_gui(project_dir=args_list[0])
-        return
-
     args = parser.parse_args(args_list)
     if args.command == "gui":
         _run_gui(project_dir=args.project_dir)
diff --git a/pyproject.toml b/pyproject.toml
index 5d77ef2..ef53c80 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,21 @@ authors = [
     {name = "Antoine Alessandrini", email = "antoine.alessandrini@univ-lille.fr"}
 ]
 readme = "README.md"
+license = {file = "LICENSE.md"}
 requires-python = ">=3.10"
+keywords = ["simulation", "block-diagram", "control", "discrete-time", "pyside6"] 
+classifiers = [ 
+    "Development Status :: 3 - Alpha",
+    "Intended Audience :: Science/Research",
+    "Intended Audience :: Education",
+    "License :: OSI Approved :: GNU Lesser General Public License v3 or later (LGPLv3+)",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Topic :: Scientific/Engineering",
+    "Topic :: Scientific/Engineering :: Visualization",
+]
 dependencies = [
     "numpy",
     "matplotlib",
@@ -19,6 +33,11 @@ dependencies = [
     "typing_extensions; python_version < '3.11'"
 ]
 
+[project.urls]
+Homepage = "https://github.com/AlessandriniAntoine/pySimBlocks"
+Repository = "https://github.com/AlessandriniAntoine/pySimBlocks"
+Issues = "https://github.com/AlessandriniAntoine/pySimBlocks/issues"
+
 [project.scripts]
 pysimblocks = "pySimBlocks.cli:main"