diff --git a/src/lic_cli/cli.py b/src/lic_cli/cli.py
index 4e03c92..bf2c457 100644
--- a/src/lic_cli/cli.py
+++ b/src/lic_cli/cli.py
@@ -60,12 +60,19 @@ def get_license_key_interactive(licenses):
     return keys[[licenses[k]["name"] for k in keys].index(selected)]
 
 
-def get_author_input(provided_author=None):
-    """Get author from arguments or interactive prompt."""
+def get_author_input(provided_author=None, non_interactive=False):
+    """Get author from arguments, git config, or interactive prompt."""
     if provided_author:
         console.print(f"[green]✓ Author: {provided_author}[/green]")
         return provided_author
     
+    if non_interactive:
+        git_name = get_git_name()
+        if git_name:
+            console.print(f"[green]✓ Author: {git_name} (from git config)[/green]")
+            return git_name
+        raise ValueError("Author required in non-interactive mode (use --author or set git user.name)")
+    
     git_name = get_git_name()
     author = questionary.text(
         "Author:",
@@ -82,12 +89,17 @@ def get_author_input(provided_author=None):
     return author
 
 
-def get_year_input(provided_year=None):
+def get_year_input(provided_year=None, non_interactive=False):
     """Get year from arguments or interactive prompt."""
     if provided_year:
         console.print(f"[green]✓ Year: {provided_year}[/green]")
         return provided_year
     
+    if non_interactive:
+        current_year = str(datetime.now().year)
+        console.print(f"[green]✓ Year: {current_year} (current year)[/green]")
+        return current_year
+    
     year = questionary.text(
         "Year:",
         default=str(datetime.now().year),
@@ -129,14 +141,41 @@ def main():
         help="Year for the license",
         metavar="YEAR"
     )
+    parser.add_argument(
+        "-n", "--non-interactive",
+        action="store_true",
+        help="Disable interactive prompts; --license required; --author optional (uses git config if available); --year defaults to current year"
+    )
+    parser.add_argument(
+        "--force",
+        action="store_true",
+        help="Overwrite LICENSE file if it exists"
+    )
     args = parser.parse_args()
     
     try:
+        # Check for existing LICENSE file
+        license_path = Path("LICENSE")
+        if license_path.exists() and not args.force:
+            if args.non_interactive:
+                raise FileExistsError("LICENSE already exists. Use --force to overwrite.")
+            else:
+                overwrite = questionary.confirm(
+                    "LICENSE file already exists. Overwrite?",
+                    default=False
+                ).ask()
+                print("\033[A\033[K", end="")
+                if not overwrite:
+                    console.print("[yellow]Cancelled[/yellow]")
+                    return
+        
         # Get license key
         if args.license:
             key = args.license
             console.print(f"[green]✓ {key}[/green]")
         else:
+            if args.non_interactive:
+                raise ValueError("License required in non-interactive mode (use --license)")
             console.print("[bold]Loading licenses...[/bold]")
             with console.status("[bold cyan]Fetching from GitHub...", spinner="dots"):
                 licenses = fetch_licenses()
@@ -148,8 +187,8 @@ def main():
             console.print(f"[green]✓ {licenses[key]['name']}[/green]")
         
         # Get author and year
-        author = get_author_input(args.author)
-        year = get_year_input(args.year)
+        author = get_author_input(args.author, args.non_interactive)
+        year = get_year_input(args.year, args.non_interactive)
         
         # Generate and save license
         with console.status("[bold cyan]Generating license..."):