diff --git a/harbor-ctl.py b/harbor-ctl.py
index 29a2dec..5cbfb90 100755
--- a/harbor-ctl.py
+++ b/harbor-ctl.py
@@ -2,21 +2,25 @@
 """Harbor registry control utility."""
 
 import argparse
+import base64
 import json
 import os
+import ssl
 import sys
 import time
-import urllib.request
 import urllib.error
-import ssl
+import urllib.request
 from pathlib import Path
+from typing import Any
+
+VERSION = "0.1.0"
 
 # Default config
 DEFAULT_CREDS = Path("/opt/ansible/secrets/harbor/credentials.json")
 DEFAULT_URL = "https://harbor.mymx.me"
 
 
-def load_credentials():
+def load_credentials() -> tuple[str | None, str | None, str]:
     """Load Harbor credentials from secrets file."""
     if DEFAULT_CREDS.exists():
         with open(DEFAULT_CREDS) as f:
@@ -27,16 +31,32 @@ def load_credentials():
     return os.environ.get("HARBOR_USER"), os.environ.get("HARBOR_PASS"), DEFAULT_URL
 
 
-def api_request(url, user, password, method="GET", data=None):
+def build_url(base: str, *parts: str, **params: str) -> str:
+    """Build API URL from parts and optional query parameters."""
+    url = f"{base}/api/v2.0/{'/'.join(parts)}"
+    if params:
+        query = "&".join(f"{k}={v}" for k, v in params.items())
+        url = f"{url}?{query}"
+    return url
+
+
+def api_request(
+    url: str,
+    user: str,
+    password: str,
+    method: str = "GET",
+    data: dict[str, Any] | None = None,
+    verify_ssl: bool = False,
+) -> dict[str, Any]:
     """Make authenticated API request to Harbor."""
     ctx = ssl.create_default_context()
-    ctx.check_hostname = False
-    ctx.verify_mode = ssl.CERT_NONE
+    if not verify_ssl:
+        ctx.check_hostname = False
+        ctx.verify_mode = ssl.CERT_NONE
 
     req = urllib.request.Request(url, method=method)
 
     # Basic auth
-    import base64
     credentials = base64.b64encode(f"{user}:{password}".encode()).decode()
     req.add_header("Authorization", f"Basic {credentials}")
 
@@ -555,9 +575,11 @@ Examples:
   %(prog)s config library --show             Show project settings
 """
     )
+    parser.add_argument("-V", "--version", action="version", version=f"%(prog)s {VERSION}")
     parser.add_argument("--url", help="Harbor URL", default=None)
     parser.add_argument("-u", "--user", help="Username", default=None)
     parser.add_argument("-p", "--password", help="Password", default=None)
+    parser.add_argument("--verify-ssl", action="store_true", help="Verify SSL certificates (default: skip)")
 
     subparsers = parser.add_subparsers(dest="command", help="Commands")
 
@@ -659,6 +681,11 @@ Examples:
         "config": cmd_config,
     }
 
+    # Store connection params on args for command access
+    args.api_user = user
+    args.api_password = password
+    args.api_url = url
+
     return commands[args.command](args, user, password, url)