diff --git a/hack/pr-approve.sh b/hack/pr-approve.sh
new file mode 100755
index 000000000..782a9710d
--- /dev/null
+++ b/hack/pr-approve.sh
@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+usage() {
+  cat <<EOF
+Usage: $(basename "$0") <pr-number-or-url>
+
+Post three separate comments on a GitHub PR:
+  1) /ok-to-test
+  2) /lgtm
+  3) /approve
+EOF
+}
+
+if [[ $# -lt 1 ]]; then
+  usage
+  exit 1
+fi
+
+if ! command -v gh >/dev/null 2>&1; then
+  echo "error: gh CLI is required but was not found in PATH" >&2
+  exit 1
+fi
+
+PR="$1"
+
+for comment in "/ok-to-test" "/lgtm" "/approve"; do
+  echo "Posting comment: ${comment}"
+  gh pr comment "${PR}" --body "${comment}"
+done
+
+echo "Done. Posted /ok-to-test, /lgtm, and /approve on ${PR}."