How do I access Request Parameters in Meteor?

I am planning to use Meteor for a realtime logging application for various My requirement is pretty simple, I will pass a log Message as request Parameter ( POST Or GET) from various application and Meteor need to simply update a collection. I need to access Request Parameters in Meteor server code and update Mongo collection with the incoming logMessage. I cannot update Mongo Collection directly from existing applications, so please no replies suggesting the same.I want to know how can I do it from Meteor framework and not doing it by adding more packages.