Broker_DurabilityInfo is a broker plugin to display item durability and repair cost. You can also ask it to auto repair your gear.

You have the option to:

show / hide detailed item information

show / hide durability for the items in bags

use auto repair (using guild money or your own)

set minimum faction reputation to use for repair

use repair dialog box (pops up at vendors, asking you how to repair)

enable / disable update during combat

enable / disable repair warning when entering a city