here is a workflow for alfred integration with Asana. It integrates through concept of GTD. Also it integrates with AnyBar and Atlassian Jira. It is quite advanced so check the documentation here: https://jotc.herokua...#asana_workflow. It basically looks like this:
It is written in Ruby, dependencies are listed in readme with guidance.
Don't hesitate to report bugs.
Have a nice day :)