The AGIBOT X1 is a full-stack open-source humanoid robot with a modular, lightweight design. Standing 130 cm tall and weighing 33 kg, it offers 34 degrees of freedom and walks at up to 1.0 m/s with 2-hour runtime. It is built on custom PowerFlow series joint actuators (R86-3, R86-2, R52, and L28 linear) and an EtherCAT-based domain controller supporting up to 16 DCUs in cascade with hardware-synchronized IMU. The included OmniPicker adaptive gripper provides 30 N clamping force across a 120 mm stroke. A Linux SDK is provided for secondary development, making it suited for robotics research and education.