diff --git a/scripts/lint_notification.py b/scripts/lint_notification.py
new file mode 100644
index 000000000..33a7af9b9
--- /dev/null
+++ b/scripts/lint_notification.py
@@ -0,0 +1,46 @@
+"""Format sphinx-lint diagnostics for the translation team's Telegram alert."""
+
+import os
+import re
+import subprocess
+import sys
+from pathlib import Path
+from urllib.parse import quote
+
+
+def main(log, output):
+    repo = os.environ["PYDOC_REPO"].rstrip("/")
+    run = os.environ["GITHUB_RUN_ID"]
+    version = os.environ["PYDOC_VERSION"]
+    checkout = Path("cpython/Doc/locales") / os.environ["PYDOC_LANGUAGE"] / "LC_MESSAGES"
+    revision = subprocess.check_output(
+        ["git", "-C", str(checkout), "rev-parse", "HEAD"], universal_newlines=True
+    ).strip()
+    header = f"❌ *{version} lint* ([execução {run}]({repo}/actions/runs/{run}))"
+    footer = "Mais diagnósticos no log da execução."
+    message = header
+    found = False
+    for line in sorted(set(log.read_text(encoding="utf-8").splitlines())):
+        match = re.fullmatch(r"(.+?\.po):(\d+):\s+(.+\(.*\))", line)
+        if not match:
+            continue
+        found = True
+        filename, lineno, diagnostic = match.groups()
+        path = Path(filename)
+        if path.is_absolute():
+            path = path.relative_to(checkout.resolve())
+        url = f"{repo}/blob/{revision}/{quote(path.as_posix())}#L{lineno}"
+        detail = f"{path}:{lineno}: {diagnostic}".replace("`", "\\`")
+        block = f"\n\n```\n{detail}\n```\n[Abrir linha {lineno}]({url})"
+        # Count the unparsed text conservatively, including Markdown and emoji.
+        if len((message + block + "\n\n" + footer).encode("utf-16-le")) // 2 > 4096:
+            message += "\n\n" + footer
+            break
+        message += block
+    if not found:
+        sys.exit("No sphinx-lint diagnostics found")
+    output.write_text(message, encoding="utf-8")
+
+
+if __name__ == "__main__":
+    main(Path(sys.argv[1]), Path(sys.argv[2]))
diff --git a/scripts/prepmsg.sh b/scripts/prepmsg.sh
index db50d9c7c..b00434e1e 100755
--- a/scripts/prepmsg.sh
+++ b/scripts/prepmsg.sh
@@ -16,6 +16,10 @@ URL="${PYDOC_REPO}/actions/runs/${GITHUB_RUN_ID}"
 input="$1"
 output="$2"
 
+if [[ "${GITHUB_JOB}" == "lint" ]]; then
+    exec python3 "$(dirname "$0")/lint_notification.py" "$input" "$output"
+fi
+
 touch aux
 if [[ "${GITHUB_JOB}" == "build" ]]; then
     grep 'cpython/Doc/.*WARNING:' "$input" | \
@@ -23,12 +27,6 @@ if [[ "${GITHUB_JOB}" == "build" ]]; then
           uniq | \
           sed 's|^|```\n|;s|$|\n```\n|' \
           > aux
-elif [[ "${GITHUB_JOB}" == "lint" ]]; then
-    grep -P '^.*\.po:\d+:\s+.*\(.*\)$' "$input" | \
-          sed 's|.*/cpython/Doc/||' | \
-          sort -u | \
-          sed 's|^|```\n|;s|$|\n```\n|' \
-          > aux
 else
     die "Unexpected job name ${GITHUB_JOB}"
 fi