diff --git a/gitea_cli.py b/gitea_cli.py
index d25e39d..3a962d3 100755
--- a/gitea_cli.py
+++ b/gitea_cli.py
@@ -32,6 +32,19 @@ class GiteaAPI:
         else:
             response.raise_for_status()
 
+    def update_repository_visibility(self, name, visibility):
+        """Update repository visibility."""
+        endpoint = f"{self.base_url}/api/v1/repos/{name}"
+        data = {
+            "visibility": visibility
+        }
+        
+        response = self.session.patch(endpoint, json=data)
+        if response.status_code == 200:
+            return response.json()
+        else:
+            response.raise_for_status()
+
 def get_gitea_config(url=None, token=None):
     """Get Gitea configuration from environment or command line arguments."""
     config = {
@@ -98,10 +111,23 @@ def cli():
     1. Environment variables:
        - GITEA_URL: Your Gitea server URL
        - GITEA_TOKEN: Your Gitea API token
-    
+
     2. Command line arguments:
-       --gitea-url and --gitea-token
-       (These override environment variables if both are present)
+       --gitea-url: Your Gitea server URL (overrides GITEA_URL)
+       --gitea-token: Your Gitea API token (overrides GITEA_TOKEN)
+
+    Commands:
+      create-repo: Create a new repository on Gitea
+        Flags:
+          --name: Repository name (required)
+          --description: Repository description
+          --private: Create repository as private
+          --set-remote: Set git remote 'origin' to new repository
+      mode: Toggle repository visibility between public and private
+        Flags:
+          --name: Repository name (required)
+          --public: Set repository to public
+          --private: Set repository to private
     """
     pass
 
@@ -154,5 +180,28 @@ def create_repo(name, description, private, set_remote, gitea_url, gitea_token):
         click.echo(f"Error creating repository: {str(e)}")
         sys.exit(1)
 
+@cli.command()
+@click.option('--name', required=True, help='Name of the repository')
+@click.option('--public', is_flag=True, default=False, help='Set repository to public')
+@click.option('--private', is_flag=True, default=False, help='Set repository to private')
+def mode(name, public, private):
+    """Toggle repository visibility between public and private"""
+    if public and private:
+        click.echo("Error: Cannot specify both --public and --private")
+        return
+    
+    if not public and not private:
+        click.echo("Error: Must specify either --public or --private")
+        return
+    
+    config = get_gitea_config()
+    try:
+        gitea = GiteaAPI(config['url'], config['token'])
+        visibility = 'public' if public else 'private'
+        gitea.update_repository_visibility(name, visibility)
+        click.echo(f"Successfully set repository {name} to {visibility}")
+    except Exception as e:
+        click.echo(f"Error: {str(e)}")
+
 if __name__ == '__main__':
     cli()
\ No newline at end of file