Install this plugin if you would like to add AppleScript or Python script files to Indigo's Plugins menu.
To install, download the plugin, unzip it, then double-click the User Scripts.indigoPlugin file to install.
Next, control-click (or right-click) on this file and choose Show Package Contents
from the context menu (depending on which version of Indigo you're using):
/Library/Application Support/Perceptive Automation/Indigo 5/Plugins/User Scripts.indigoPlugin /Library/Application Support/Perceptive Automation/Indigo 6/Plugins/User Scripts.indigoPlugin /Library/Application Support/Perceptive Automation/Indigo 7/Plugins/User Scripts.indigoPlugin
And then add any AppleScript (.scpt) or Python (.py) files into the folder:
User Scripts.indigoPlugin/Contents/Menu Items/
Lastly, choose the Plugins→User Scripts→Reload Plugin
menu item.
Your scripts should then be accessible from the Plugins→User Scripts
menu item.