To mass deploy the Prey via munki, make a recipe override autopkg make-override Prey.munki and add this key to the pkginfo array:
<dict>
<key>API_KEY</key>
<string>Add Your API_KEY Here</string>
</dict>
Source: How to mass deploy Prey for Mac OS X
For FinaleUpdate.munki.recipe run: autopkg repo-add jazzace-recipes
For Prey.munki.recipe run: autopkg repo-add hansen-m-recipes