MOSRS (also called MOSRS) is a Trac server run by the UK Met Office for sharing code and configurations for the climate models it runs with partners

It contains the source code and configurations for the Unified Model and JULES amongst other things.


The full list of repositories is at

Main projects of interest include

Running Models

Once you have an account and have joined the ACCESS group at NCI you will be able to log onto the Accessdev server to configure and submit model runs

Requesting an Account

Members of CLEX can request an account on MOSRS by emailing the helpdesk at Once submitted to the Met Office the request will normally be approved during the next UK working day.

Notes for CMS

The account needs to be requested by one of the registered CLEX sponsors by submitting a admin ticket listing the new user's name, affiliation, institutional email address and areas they need access to (normally 'UM and related repositories').