> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://helpdesk.nucleus.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# What is Nucleus AI Receptionist and what can it do for my business?

Nucleus is your AI phone agent that sounds human and works 24/7 so you never miss another call.