pbcopy.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>localhost.pbcopy</string>
    <key>ProgramArguments</key>
    <array>
      <string>/usr/bin/pbcopy</string>
    </array>
    <key>inetdCompatibility</key>
    <dict>
      <key>Wait</key>
      <false/>
    </dict>
    <key>Sockets</key>
    <dict>
      <key>Listeners</key>
      <dict>
        <key>SockServiceName</key>
        <string>2224</string>
        <key>SockNodeName</key>
        <string>0.0.0.0</string>
      </dict>
    </dict>
  </dict>
</plist>

Put this in /Users/<your_username>/LaunchAgents/pbcopy.plist of your mac to get remote keyboard access.

I wouldn't do this on a untrusted network. 🙉