This workflow (alfred-harvest on Github) gives you complete access to your Harvest time-tracking:
Add new timers
Toggle today's timers
View and add notes
Launch your Harvest web app
To do:
More secure password / email handling
Add capability to add / view notes
Let Alfred remember projects, and prefer recent projects
Set a command to visit your Harvest profile
Command to quickly add/subtract 5min, 10min, or custom amount from any timer (for those times when you step out for a pool game and forget to shut off your timer).
Show total time for this week
View and download latest release (v1.0.2) (v2.0.0) (v2.0.1) (v2.0.2): https://github.com/neilrenicker/alfred-harvest/releases
How to use and more info: https://github.com/neilrenicker/alfred-harvest