There is provided a system and method for extending media device functions using a peripheral control interface. There is provided a media device for controlling a peripheral device where the media device provides a plurality of native functions. The media device comprises a network interface and a processor configured to establish a connection with a network using the network interface, execute a media application to discover a route to a server through the connection, obtain via the route a peripheral control interface for providing a mediation service associated with the peripheral device, and send a command to the server using the route for controlling the peripheral device using the peripheral control interface, which causes the peripheral device to execute a function outside of the plurality of native functions provided by the media device.