diff --git a/trustgraph-cli/scripts/tg-dump-msgpack b/trustgraph-cli/scripts/tg-dump-msgpack
index 16fe2325..9f91394f 100755
--- a/trustgraph-cli/scripts/tg-dump-msgpack
+++ b/trustgraph-cli/scripts/tg-dump-msgpack
@@ -2,8 +2,33 @@
 
 import msgpack
 import sys
+import argparse
 
-unpacker = msgpack.Unpacker(sys.stdin.buffer, raw=False)
-for unpacked in unpacker:
-    print(unpacked)
+def run(input_file):
+
+    with open(input_file, 'rb') as f:
+
+        unpacker = msgpack.Unpacker(f, raw=False)
+
+        for unpacked in unpacker:
+            print(unpacked)
+
+def main():
+    
+    parser = argparse.ArgumentParser(
+        prog='tg-load-pdf',
+        description=__doc__,
+    )
+
+    parser.add_argument(
+        '-i', '--input-file',
+        required=True,
+        help=f'Input file'
+    )
+
+    args = parser.parse_args()
+
+    run(**vars(args))
+
+main()
 
diff --git a/trustgraph-cli/setup.py b/trustgraph-cli/setup.py
index af2e9418..f4c4e92d 100644
--- a/trustgraph-cli/setup.py
+++ b/trustgraph-cli/setup.py
@@ -39,6 +39,7 @@ setuptools.setup(
         "pulsar-client",
         "rdflib",
         "tabulate",
+        "msgpack",
     ],
     scripts=[
         "scripts/tg-graph-show",