This package implements the bibliography style of the Monthly Notices of the Royal Astronomical Society (MNRAS) in biblatex. The journal uses an author (year) format and it is described in the Instructions to Authors. There is an official MNRAS document class, but is uses natbib.
The package is intended to be used with the bibentries generated from the SAO/NASA Astrophysics Data System (ads). Those entries include the fields adsurl, eprint and doi. They are used to create links to the respective sites which are set behind the journal and volume/page part of the reference.
The style can be loaded with
\usepackage[style=biblatex-mnras]{biblatex}
This repository also contains an example document main.pdf to showcase the style.
Note: So far, only articles, in-proceedings and books fulfil the style requirements. Other entry types require additional modifications (in the case of in-proceedings and books, multiple publications in the same year may cause problems).