mLab is a fully managed database as a service for MongoDB. You can choose to run it on different cloud providers (Amazon, Google and Azure) and have the flexibility to choose regions based on your requirement.
With Progress DataDirect MongoDB ODBC drivers, you can easily connect to MongoDB hosted using mLab. This tutorial will walk you through how to configure the Progress DataDirect MongoDB driver to connect to mLab MongoDB. If you need JDBC connectivity, you can check out our JDBC driver which can also help you connect to MongoDB on mLab.
This tutorial assumes that you have a MongoDB cluster up and running using the mLab service.