SniperBots are a series of mechanical robots which featured in the Doctor Who series.
The Ghost Monument
The SniperBots come from a unknown planet (possibly Desolation). Originally the Thirteenth Doctor thought that Ilin created the Sniperbots for the rally of the twelve galaxies but later she found out that they where made by a Stenza Called Tzim-Sha which means that the Stenza race used the Sniperbots as soldiers when they were kidnapping scientists and making them work to make an evil race called the Remnant which they succeeded in doing. Ilin used them during the rally of the twelve galaxies as previously stated but the Thirteenth Doctor shut down their power source.
The Battle of Ranskoor Av Kolos
Tzim-Sha built an army of Sniperbots to guard his base. They attacked Ryan and Graham but they ducked, causing them to destroy each other. More Sniperbots attacked them later but Graham blew them up with a bomb.