my goagent auto launch configuration file of osx. under path "/Library/LaunchDaemons". to check run `launchctl list | grep GoAgent`

goagent.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN"
        "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
        <key>Label</key>
            <string>GoAgent</string>
        <key>ProgramArguments</key>
          <array>
	        	<string>/usr/bin/python</string>
	        	<string>/opt/goagent/local/proxy.py</string>
	        </array>
        <key>RunAtLoad</key>
            <true/>
</dict>
</plist>