diff --git a/.claude/hooks/schutz-main.sh b/.claude/hooks/schutz-main.sh
new file mode 100644
index 0000000..e4ba0be
--- /dev/null
+++ b/.claude/hooks/schutz-main.sh
@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+# Blockiert git commit und git push, solange main ausgecheckt ist.
+befehl=$(node -e 'let s="";process.stdin.on("data",d=>s+=d).on("end",()=>{try{console.log(JSON.parse(s).tool_input?.command??"")}catch{console.log("")}})')
+if echo "$befehl" | grep -Eq 'git (commit|push)'; then
+  branch=$(git -C "$CLAUDE_PROJECT_DIR" branch --show-current)
+  if [ "$branch" = "main" ]; then
+    echo "Du stehst auf main. Lege zuerst einen Branch an: git switch -c feat/<name>" >&2
+    exit 2
+  fi
+fi
+exit 0
\ No newline at end of file