diff --git a/.githooks/pre-commit b/.githooks/pre-commit
new file mode 100644
index 0000000..a52b95e
--- /dev/null
+++ b/.githooks/pre-commit
@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+# pre-commit — fail if a newly-added article is not linked from SUMMARY.md.
+# Bypass with `git commit --no-verify` if you genuinely need to.
+set -euo pipefail
+
+# Articles being added or renamed in this commit (excludes meta/index/README/SUMMARY/MajorWiki-Deploy-Status, and any */index.md).
+added=$(git diff --cached --name-only --diff-filter=AR -- '*.md' \
+  | grep -vE '^(README|index|SUMMARY|MajorWiki-Deploy-Status)\.md$|/index\.md$' \
+  || true)
+
+[ -z "$added" ] && exit 0
+
+# Read the staged SUMMARY.md if it's part of the commit; otherwise the working-tree copy.
+if git diff --cached --name-only | grep -q '^SUMMARY\.md$'; then
+  summary=$(git show :SUMMARY.md)
+else
+  summary=$(cat SUMMARY.md)
+fi
+
+missing=()
+while IFS= read -r article; do
+  [ -z "$article" ] && continue
+  if ! grep -qF -- "$article" <<<"$summary"; then
+    missing+=("$article")
+  fi
+done <<<"$added"
+
+if [ ${#missing[@]} -gt 0 ]; then
+  echo "✗ pre-commit: new article(s) not linked from SUMMARY.md:" >&2
+  printf '    %s\n' "${missing[@]}" >&2
+  echo "" >&2
+  echo "Add a SUMMARY.md entry for each, or use 'git commit --no-verify' to bypass." >&2
+  exit 1
+fi
+
+exit 0