diff --git a/eclair/post_gerrit_comment.sh b/eclair/post_gerrit_comment.sh
new file mode 100755
index 0000000..7388416
--- /dev/null
+++ b/eclair/post_gerrit_comment.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+#
+# Copyright (c) 2019-2022, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+set -ex
+
+# Set to 0 to temporarily disable posting comments to Gerrit.
+should_post_comment=1
+
+# Directory where this script resides.
+SCRIPT_DIR="$(cd "$(dirname "$0")" ; echo "${PWD}")"
+
+# Don't post comments if run on the staging server.
+if echo "$JENKINS_URL" | grep -q "ci\.staging"; then
+    should_post_comment=0
+fi
+
+# Always enable posting comments to sandbox (test) projects, even if they're
+# disabled above.
+if echo "${GERRIT_PROJECT}" | grep -q sandbox; then
+    should_post_comment=1
+fi
+
+# If run without a patch (e.g. for debugging, don't try to post comment.
+if [ -z "$GERRIT_CHANGE_NUMBER" ]; then
+    should_post_comment=0
+fi
+
+if [ $should_post_comment -eq 1 ]; then
+    mkdir -p ~/.ssh/
+    ssh-keyscan -H -p 29418 $GERRIT_HOST >> ~/.ssh/known_hosts
+
+    quoted="$(python3 $SCRIPT_DIR/prepare_gerrit_comment.py misra_delta.txt)"
+
+    ssh -o "PubkeyAcceptedKeyTypes +ssh-rsa" -p 29418 -i "$CI_BOT_KEY" "$CI_BOT_USERNAME@$GERRIT_HOST" gerrit \
+        review  "$GERRIT_CHANGE_NUMBER,$GERRIT_PATCHSET_NUMBER" \
+        --message "$quoted"
+fi
diff --git a/eclair/prepare_gerrit_comment.py b/eclair/prepare_gerrit_comment.py
new file mode 100755
index 0000000..1ef0052
--- /dev/null
+++ b/eclair/prepare_gerrit_comment.py
@@ -0,0 +1,31 @@
+#!/usr/bin/env python3
+#
+# Copyright (c) 2022 Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
+# Script to prepare a textual body of a comment to pass on the command line
+# to Gerrit: limit it to acceptable size and quote properly.
+
+import sys
+import shlex
+
+
+SIZE_LIMIT = 16000
+
+
+body = ""
+
+with open(sys.argv[1], "r") as f:
+    for l in f:
+        body += l
+        if len(body) >= SIZE_LIMIT:
+            body += """\
+[...]
+
+WARNING: The report was trimmed due to size limit of a Gerrit comment.
+Follow the link at the beginning to see the full report.
+"""
+            break
+
+sys.stdout.write(shlex.quote(body))