dbg-srv.js

/*
 * Manually start and stop a debugger server.
 * Run as a Scratchpad executing in a Browser context.
 */
Components.utils.import("resource://gre/modules/devtools/dbg-server.jsm");
var result;
if (!DebuggerServer.initialized) {
  DebuggerServer.init();
  DebuggerServer.addBrowserActors();
  result = DebuggerServer.openListener(6000);
}
// Succesful execution of openListsner will return true.
result

// Stop the server.
//DebuggerServer.destroy()