An automated clamp system comprising: an automated clamp for clamping a rib web to a rib post or integrated rib foot of an aircraft wing box; the clamp comprising: a clamp frame having a first arm and a second arm; a robot end effector connector coupled to the clamp frame; clamp jaws including a first jaw at a proximal end of one of the first and second arms, and a second jaw at a proximal end of the other of the first and second arms, wherein at least one of the clamp jaws is moveable towards and away from the other of the clamp jaws by a motor to open and close the jaws, wherein at least one of the clamp jaws is configured to receive a tool module and has an aperture through which one or more of a drilling tool and a fastening tool is insertable, and wherein at least one of the clamp jaws has at least one position sensor (91, 92) for detecting a position of the clamp relative to the aircraft wing box, the automated clamp system further comprising: a robot having a first robot arm coupled to the end effector connector of the clamp, optionally wherein the robot end effector connector provides a permanent connection between the clamp and the robot; a control system connected to the robot, the motorised jaws of the clamp, and to the at least one position sensor (91, 92); and characterised by: a second robot arm having at least one tool module, and wherein the tool module is positioned so as to be received by the aperture in one of the clamp jaws. an automated clamp for clamping a rib web to a rib post or integrated rib foot of an aircraft wing box; the clamp comprising: a clamp frame having a first arm and a second arm; a robot end effector connector coupled to the clamp frame; clamp jaws including a first jaw at a proximal end of one of the first and second arms, and a second jaw at a proximal end of the other of the first and second arms, wherein at least one of the clamp jaws is moveable towards and away from the other of the clamp jaws by a motor to open and close the jaws, wherein at least one of the clamp jaws is configured to receive a tool module and has an aperture through which one or more of a drilling tool and a fastening tool is insertable, and wherein at least one of the clamp jaws has at least one position sensor (91, 92) for detecting a position of the clamp relative to the aircraft wing box, a clamp frame having a first arm and a second arm; a robot end effector connector coupled to the clamp frame; clamp jaws including a first jaw at a proximal end of one of the first and second arms, and a second jaw at a proximal end of the other of the first and second arms, wherein at least one of the clamp jaws is moveable towards and away from the other of the clamp jaws by a motor to open and close the jaws, wherein at least one of the clamp jaws is configured to receive a tool module and has an aperture through which one or more of a drilling tool and a fastening tool is insertable, and wherein at least one of the clamp jaws has at least one position sensor (91, 92) for detecting a position of the clamp relative to the aircraft wing box, the automated clamp system further comprising: a robot having a first robot arm coupled to the end effector connector of the clamp, optionally wherein the robot end effector connector provides a permanent connection between the clamp and the robot; a control system connected to the robot, the motorised jaws of the clamp, and to the at least one position sensor (91, 92); and characterised by: a second robot arm having at least one tool module, and wherein the tool module is positioned so as to be received by the aperture in one of the clamp jaws. a robot having a first robot arm coupled to the end effector connector of the clamp, optionally wherein the robot end effector connector provides a permanent connection between the clamp and the robot; a control system connected to the robot, the motorised jaws of the clamp, and to the at least one position sensor (91, 92); and characterised by: a second robot arm having at least one tool module, and wherein the tool module is positioned so as to be received by the aperture in one of the clamp jaws.