diff --git a/sync_repos.sh b/sync_repos.sh
new file mode 100755
index 0000000..2beba17
--- /dev/null
+++ b/sync_repos.sh
@@ -0,0 +1,149 @@
+#!/bin/bash
+
+set -euo pipefail
+
+ROOT_DIR="$(pwd)"
+TIMESTAMP="$(date +%Y%m%d_%H%M%S)"
+REPORT_TXT="$ROOT_DIR/sync_report_$TIMESTAMP.txt"
+REPORT_JSON="$ROOT_DIR/sync_report_$TIMESTAMP.json"
+
+DRY_RUN=false
+TIMEOUT=60
+
+# Parse args
+for arg in "$@"; do
+  case $arg in
+    --dry-run) DRY_RUN=true ;;
+    --timeout=*) TIMEOUT="${arg#*=}" ;;
+  esac
+done
+
+log() {
+  echo -e "$1"
+  echo -e "$1" >> "$REPORT_TXT"
+}
+
+json_escape() {
+  echo "$1" | sed 's/"/\\"/g'
+}
+
+run_cmd() {
+  if $DRY_RUN; then
+    log "🟡 [DRY-RUN] $*"
+    return 0
+  fi
+
+  timeout "$TIMEOUT" bash -c "$*" >/dev/null 2>&1
+}
+
+echo "Repo Sync Report - $(date)" > "$REPORT_TXT"
+echo "[" > "$REPORT_JSON"
+
+FIRST=true
+SUCCESS=0
+FAIL=0
+SKIP=0
+
+for dir in */; do
+  REPO_PATH="$ROOT_DIR/$dir"
+  REPO_NAME=$(basename "$dir")
+
+  STATUS="unknown"
+  MESSAGE=""
+
+  log "\n🔹 Processing: $REPO_NAME"
+
+  cd "$REPO_PATH" || { STATUS="fail"; MESSAGE="cannot cd"; ((FAIL++)); continue; }
+
+  if [ ! -d ".git" ]; then
+    STATUS="skip"; MESSAGE="not a git repo"; ((SKIP++))
+    log "⚠️ Not a git repo"
+    continue
+  fi
+
+  if ! git remote get-url origin &>/dev/null; then
+    STATUS="skip"; MESSAGE="no origin"; ((SKIP++))
+    log "⚠️ No origin"
+    continue
+  fi
+
+  # Detect default branch
+  DEFAULT_BRANCH=$(git remote show origin | awk '/HEAD branch/ {print $NF}')
+  DEFAULT_BRANCH=${DEFAULT_BRANCH:-main}
+
+  if ! git show-ref --verify --quiet "refs/heads/$DEFAULT_BRANCH"; then
+    STATUS="skip"; MESSAGE="no local $DEFAULT_BRANCH"; ((SKIP++))
+    log "⚠️ Missing local branch $DEFAULT_BRANCH"
+    continue
+  fi
+
+  # Check clean working tree
+  if ! git diff --quiet || ! git diff --cached --quiet; then
+    STATUS="skip"; MESSAGE="uncommitted changes"; ((SKIP++))
+    log "⚠️ Uncommitted changes"
+    continue
+  fi
+
+  CURRENT_BRANCH=$(git rev-parse --abbrev-ref HEAD)
+
+  if [ "$CURRENT_BRANCH" = "HEAD" ]; then
+    STATUS="skip"; MESSAGE="detached HEAD"; ((SKIP++))
+    log "⚠️ Detached HEAD"
+    continue
+  fi
+
+  # Fetch
+  if ! run_cmd "git fetch origin --prune"; then
+    STATUS="fail"; MESSAGE="fetch failed"; ((FAIL++))
+    log "❌ Fetch failed"
+    continue
+  fi
+
+  # Checkout default branch
+  if [ "$CURRENT_BRANCH" != "$DEFAULT_BRANCH" ]; then
+    if ! run_cmd "git checkout $DEFAULT_BRANCH"; then
+      STATUS="fail"; MESSAGE="checkout failed"; ((FAIL++))
+      log "❌ Checkout failed"
+      continue
+    fi
+  fi
+
+  # Rebase safely
+  if run_cmd "git rebase origin/$DEFAULT_BRANCH"; then
+    STATUS="success"; MESSAGE="rebased"
+    log "✅ Rebased onto origin/$DEFAULT_BRANCH"
+    ((SUCCESS++))
+  else
+    git rebase --abort &>/dev/null || true
+    STATUS="fail"; MESSAGE="rebase conflict"
+    log "❌ Rebase conflict (aborted)"
+    ((FAIL++))
+  fi
+
+  # Return to original branch
+  if [ "$CURRENT_BRANCH" != "$DEFAULT_BRANCH" ]; then
+    run_cmd "git checkout $CURRENT_BRANCH"
+  fi
+
+  # JSON logging
+  ESC_MSG=$(json_escape "$MESSAGE")
+  if [ "$FIRST" = true ]; then
+    FIRST=false
+  else
+    echo "," >> "$REPORT_JSON"
+  fi
+
+  echo "  {\"repo\":\"$REPO_NAME\",\"status\":\"$STATUS\",\"message\":\"$ESC_MSG\"}" >> "$REPORT_JSON"
+
+done
+
+echo "]" >> "$REPORT_JSON"
+
+log "\n======================================"
+log "✅ Success: $SUCCESS"
+log "❌ Failed: $FAIL"
+log "⚠️ Skipped: $SKIP"
+log "📄 TXT Report: $REPORT_TXT"
+log "📄 JSON Report: $REPORT_JSON"
+
+echo -e "\nDone."