If my spouse wants more household items after marital dissolution agreement has been filed, what are my rights to keep the things left?

If the agreement has already been negotiated and signed then yes, you have a right to say no, depending on how the agreement is written, of course.  Are the household items listed specifically in the agreement?  If they are not then you could be running in to a problem with a "to be decided between the parties" type of clause.  If you feel that you have divided the belongings equitably then I would contact your attorney and have him or her send a letter to your soon to be ex's attorney and let him or her know that it is over and done with, in no uncertain terms, but with a bit more legal savvy.  Then just hold your breath for another two weeks or so and hopefully it will all be done with.  Good luck.