The white cat was apprehended crossing the main prison gate.
The incident took place at a jail in Arapiraca city, 250 km (155 miles) south-west of Recife in Alagoas state.
The confiscated items included drill bits, files, a mobile phone and charger, plus earphones The cat was taken to a local animal centre.
The jail holds some 263 prisoners.
A prison spokesperson was quoted by local paper Estado de S. Paulo as saying: “It’s tough to find out who’s responsible for the action as the cat doesn’t speak.”
Officials said the items could be used to effect a means of escape or for communicating with criminals on the outside.
The incident took place at New Year, but the photo has only recently been released.
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