Build composable protein design pipelines with ProtFlow — a Python framework that wraps RFdiffusion, RFdiffusion3, LigandMPNN/ProteinMPNN/SolubleMPNN, ESMFold, ColabFold (AF2), AlphaFold3, Boltz, Caliby, Frame2Seq, ProteinGenerator, PLACER, AttnPacker, SigmaDock, Rosetta, GROMACS, DSSP, FPocket, Propka, TM-align, RMSD/biopython metrics, and more behind a single Poses + JobStarter + Runner API, with first-class SLURM array-job and local execution.