diff --git a/scripts/check_links.sh b/scripts/check_links.sh
new file mode 100755
index 00000000000..825bf866024
--- /dev/null
+++ b/scripts/check_links.sh
@@ -0,0 +1,43 @@
+#!/bin/bash
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
+set -euo pipefail
+
+status=0
+green='\e[1;32m'; red='\e[1;31m'; cyan='\e[1;36m'; yellow='\e[1;33m'; reset='\e[0m'
+last_filepath=
+
+while IFS=: read -r filepath link; do
+  if [ "$filepath" != "$last_filepath" ]; then
+    printf '\n%s:\n' "$filepath"
+    last_filepath=$filepath
+  fi
+  if [ -e "$(dirname "$filepath")/${link%%#*}" ]; then
+    printf " ${green}OK${reset}  ${cyan}%s${reset}\n" "$link"
+  else
+    printf "${red}FAIL${reset} ${yellow}%s${reset}\n" "$link" >&2
+    status=1
+  fi
+done < <(
+  git --no-pager grep --no-color -I -o -E \
+    '\[[^]]+\]\([^)]*/[^)]*\)|href="[^"]*/[^"]*"' \
+    -- '*' \
+    ':(exclude).*' \
+    ':(exclude)**/.*' \
+    ':(exclude)**/*.lock' \
+    ':(exclude)**/*.svg' \
+    ':(exclude)**/*.xml' \
+    ':(exclude)**/third-party/**' \
+  | grep -Ev 'https?://' \
+  | sed -E \
+      -e 's#([^:]+):\[[^]]+\]\(([^)]+)\)#\1:\2#' \
+      -e 's#([^:]+):href="([^"]+)"#\1:\2#' \
+      -e 's/[[:punct:]]*$//' \
+  || true
+)
+
+exit $status