# mhnsw

{% hint style="info" %}
This plugin is for internal use only.
{% endhint %}

This plugin implements the `nhnsw` vector index algorithm. It is used to create vector indexes.

See [Vector Overview](https://mariadb.com/docs/server/reference/sql-structure/vectors/vector-overview) for the functionality, and [Vector System Variables](https://mariadb.com/docs/server/reference/sql-structure/vectors/vector-system-variables) for what you can configure.

It is built in the server, and is always enabled.

For plugin version and maturity level, see [this page](https://mariadb.com/docs/server/reference/plugins/list-of-plugins).