This extension provides a modernized notification plugin for ntfy, enabling push notifications from Checkmk to any ntfy instance. Built for Checkmk 2.3, 2.4, and 2.5.

Configurable Parameters:

• Topic (Required)
• ntfy Instance (Required, defaults to ntfy.sh)
• Access Token (Optional: for private topics)
• Host/Service Message Templates (Optional: macro support)
• Include Checkmk icon (Optional)
• URL Prefix for links (Optional: auto-detected)
• Disable SSL verification (Optional: for self-signed certs)
• HTTP Proxy support (Optional)

This Plugin is based on "Notifications via ntfy" (by seppovic)