English to French Tech/Engineering Computers: Systems, Networks article sur la recherche « Open Source »

I'm translating a blog article is about information retrieval, adding full-text indexing or search capability to one's projects. The tone is chatty, the target audience IT geeks. This particular paragraph reads:

"If XXX is a low-level IR toolkit, then YYY is the fully-featured HTTP search server which **wraps** the XXX library and adds a number of additional features: additional query parsers, HTTP caching, search faceting, highlighting, and many others. "

My best attempt so far is:

"Si XXX est un kit à récupération de données de bas niveau, alors YYY est le serveur de recherche HTTP complète et multi-fonctionnelle, qui encapsule la bibliothèque XXX et rajoute des fonctions supplémentaires : ..."