WildFly Model reference is available at https://docs.wildfly.org/36/wildscribe/.

It is built when the docs are built in the wildfly code base based on the provisioned server's standalone-full-ha.xml configuration + some extensions that are not part of this config: https://github.com/wildfly/wildfly/blob/8198f027e1a1dca3646dca91e64570a065d69821/docs/pom.xml#L124

This curated list of extensions corresponds to extensions provided by WildFly that are not part of the standalone-full-ha.xml.
A lot of extensions developed around MicroProfile have not been added to this list and we are missing model references for them.

A priori, all extensions provided by the wildfly-galleon-pack should be added to this list:

https://github.com/wildfly/wildfly/blob/8198f027e1a1dca3646dca91e64570a065d69821/galleon-pack/galleon-feature-pack/wildfly-feature-pack-build.xml#L75-L91

Alternatively, the server could be started with standalone-microprofile-ha.xml that contains a more complete (exhaustive?) list of the extensions provided by WildFly Galleon packs.