diff --git a/scripts/setup-worktree.sh b/scripts/setup-worktree.sh
new file mode 100755
index 0000000000..a056efde13
--- /dev/null
+++ b/scripts/setup-worktree.sh
@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT="$(git rev-parse --show-toplevel)"
+cd "$ROOT"
+
+echo "==> Worktree: $ROOT"
+
+if ! command -v bun >/dev/null 2>&1; then
+  echo "Erro: bun nao esta instalado no PATH."
+  exit 1
+fi
+
+mkdir -p "${T3CODE_HOME:-$HOME/.t3}"
+
+echo "==> Instalando dependencias..."
+bun install
+
+if ! command -v codex >/dev/null 2>&1 && ! command -v claude >/dev/null 2>&1; then
+  echo
+  echo "Aviso: nem 'codex' nem 'claude' estao no PATH."
+  echo "O app sobe, mas voce nao vai conseguir usar provider real."
+fi
+
+echo
+echo "Setup concluido."
+echo "Proximo passo:"
+echo "  bun dev"