> ## Documentation Index
> Fetch the complete documentation index at: https://docs.pcnaid.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Merchant glossary

> Plain-language terms for Pcnaid MCP Hub.

# Merchant glossary

## MCP Hub

The control center that organizes connected AI tools and servers.

## Server group

A set of connected tools that belong together, such as support tools or finance tools.

## Smart routing

A way for the Hub to find the right tool when a user describes what they need.