diff --git a/cmds/check-large-files.sh b/cmds/check-large-files.sh
new file mode 100644
index 0000000000..5e76abaf0a
--- /dev/null
+++ b/cmds/check-large-files.sh
@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+set -e
+
+# See https://stackoverflow.com/a/42544963
+git rev-list --objects --all |
+  git cat-file --batch-check='%(objecttype) %(objectname) %(objectsize) %(rest)' |
+  sed -n 's/^blob //p' |
+  awk '$2 >= 2^20' |
+  sort --numeric-sort --key=2 |
+  cut -c 1-12,41- |
+  $(command -v gnumfmt || echo numfmt) --field=2 --to=iec-i --suffix=B --padding=7 --round=nearest
\ No newline at end of file
diff --git a/package.json b/package.json
index d0aea5d25f..fed6aa5cf4 100644
--- a/package.json
+++ b/package.json
@@ -133,6 +133,7 @@
         "puccini:check": "bash docs/cmds/puccini/check-all.sh",
         "puccini:check:single": "bash docs/cmds/puccini/check.sh",
         "puml:up": "cd docs && docker-compose up -d",
-        "puml:down": "cd docs && docker-compose down"
+        "puml:down": "cd docs && docker-compose down",
+        "large:check": "bash cmds/check-large-files.sh"
     }
 }