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Based on oxkat (ascl:2009.003), polkat focuses on automating full polarization calibration and snapshot (i.e., second-scale) imaging of polarimetric radio data taken with the MeerKAT telescope. Accepting raw visibilities in Measurement Set format, polkat performs the necessary data editing, calibration (reference and self-calibration), and imaging to extract the complete polarization properties for user-defined target sources. Required software packages, including, but not limited to, CASA (ascl:1107.013), WSClean (ascl:1408.023), and QuartiCal (ascl:2305.006) are containerized with Apptainer/Singularity. polkat can be run locally or on high-performance computing that uses a slurm job scheduler; for the latter option, polkat will generate the necessary job submission files.