diff --git a/.husky/commit-msg b/.husky/commit-msg
index 10cb551..ae34e3a 100755
--- a/.husky/commit-msg
+++ b/.husky/commit-msg
@@ -1,4 +1,9 @@
 #!/bin/sh
 . "$(dirname "$0")/_/husky.sh"
 
+if grep -qiE "(co-authored-by|generated with|assisted by).*(cursor|claude|codex|gpt|copilot|ai)" "$1"; then
+  echo "commit message contains AI attribution, remove it before committing" >&2
+  exit 1
+fi
+
 pnpm commitlint --edit "$1"