diff --git a/entrypoint.py b/entrypoint.py
new file mode 100644
index 0000000000000000000000000000000000000000..100e0eff0c00869fc8011de3af810c6672eae2d1
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+++ b/entrypoint.py
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+"""Main call for MVCM."""
+import argparse
+
+from pkg_resources import get_distribution
+
+from mvcm import main
+
+# #################################################################### #
+# TEST CASE
+# data:
+_datapath = "/ships19/hercules/pveglio/mvcm_viirs_hires"
+
+# thresholds:
+_threshold_file = "/home/pveglio/mvcm/thresholds/thresholds.mvcm.snpp.v0.0.1.yaml"
+
+# ancillary files:
+_geos_atm_1 = "GEOS.fpit.asm.inst3_2d_asm_Nx.GEOS5124.20220622_1200.V01.nc4"
+_geos_atm_2 = "GEOS.fpit.asm.inst3_2d_asm_Nx.GEOS5124.20220622_1500.V01.nc4"
+_geos_land = "GEOS.fpit.asm.tavg1_2d_lnd_Nx.GEOS5124.20220622_1330.V01.nc4"
+_geos_ocean = "GEOS.fpit.asm.tavg1_2d_ocn_Nx.GEOS5124.20220622_1330.V01.nc4"
+_geos_constants = "GEOS.fp.asm.const_2d_asm_Nx.00000000_0000.V01.nc4"
+_ndvi_file = "NDVI.FM.c004.v2.0.WS.00-04.177.hdf"
+_sst_file = "oisst.20220622"
+_eco_file = "goge1_2_img.v1"
+
+# #################################################################### #
+
+
+if __name__ == "__main__":
+    _VERSION = get_distribution("mvcm").version
+    parser = argparse.ArgumentParser(prog="MVCM", description="")
+
+    parser.add_argument(
+        "--satellite",
+        help="satellite name, not case-sensitive. Available options: [snpp, ]",
+        choices=[
+            "snpp",
+        ],
+    )
+    parser.add_argument(
+        "--sensor",
+        help="sensor name, not case-sensitive. Available options: [viirs, ]",
+        choices=[
+            "viirs",
+        ],
+    )
+    parser.add_argument("--path", help="path where the data is stored")
+    parser.add_argument("--l1b", help="level 1b file name")
+    parser.add_argument("--geolocation", help="geolocation file name")
+    parser.add_argument("--hires-l1b", help="VIIRS IMG02 file name")
+    parser.add_argument("--hires-geo", help="VIIRS IMG03 file name")
+    parser.add_argument("-t", "--threshold", help="thresholds file name")
+    parser.add_argument(
+        "--atmos-1",
+        help="file name of the first GEOS-IT file for atmospheric parameters",
+    )
+    parser.add_argument(
+        "--atmos-2",
+        help="file name of the second GEOS-IT file for atmospheric parameters",
+    )
+    parser.add_argument("--land", help="file name of GEOS-IT land parameters")
+    parser.add_argument("--ocean", help="file name of GEOS-IT ocean parameters")
+    parser.add_argument("--constants", help="file name of GEOS-IT constants")
+    parser.add_argument("--ndvi", help="NDVI file name")
+    parser.add_argument("--sst", help="Sea surface temperature file name")
+    parser.add_argument("--eco", help="Ecosystem file")
+    parser.add_argument("-o", "--out", help="output file name")
+    parser.add_argument(
+        "-V",
+        "--version",
+        action="version",
+        version=_VERSION,
+        help="print version and exit",
+    )
+    parser.add_argument(
+        "-v", "--verbose", action="store_true", help="print verbose information"
+    )
+
+    args = parser.parse_args()
+
+    satellite = args.satellite or "snpp"
+    sensor = args.sensor or "viirs"
+    data_path = args.path or _datapath
+    mod02 = args.l1b or ""  # _fname_mod02
+    mod03 = args.geolocation or ""  # _fname_mod03
+    img02 = args.hires_l1b or None
+    img03 = args.hires_geo or None
+    threshold_file = args.threshold or _threshold_file
+    geos_atm_1 = args.atmos_1 or _geos_atm_1
+    geos_atm_2 = args.atmos_2 or _geos_atm_2
+    geos_land = args.land or _geos_land
+    geos_ocean = args.ocean or _geos_ocean
+    constants = args.constants or _geos_constants
+    ndvi_file = args.ndvi or _ndvi_file
+    sst_file = args.sst or _sst_file
+    eco_file = args.eco or _eco_file
+    out_file = args.out or "test_out.nc"
+    verbose = args.verbose or False
+
+    main(
+        satellite=satellite,
+        sensor=sensor,
+        data_path=data_path,
+        mod02=mod02,
+        mod03=mod03,
+        img02=img02,
+        img03=img03,
+        threshold_file=threshold_file,
+        geos_atm_1=geos_atm_1,
+        geos_atm_2=geos_atm_2,
+        geos_land=geos_land,
+        geos_ocean=geos_ocean,
+        geos_constants=constants,
+        ndvi_file=ndvi_file,
+        sst_file=sst_file,
+        eco_file=eco_file,
+        out_file=out_file,
+        verbose=verbose,
+    )