diff --git a/formato_numerico_a_miles.py b/formato_numerico_a_miles.py
new file mode 100644
index 0000000..55a420f
--- /dev/null
+++ b/formato_numerico_a_miles.py
@@ -0,0 +1,196 @@
+def main():
+    from decimal import Decimal, InvalidOperation
+    import re, json, ast
+
+    # ---- Rocketbot GetVar/SetVar wrappers ----
+    def rb_get(name):
+        try:
+            return GetVar(name)
+        except Exception:
+            return None
+
+    def rb_set(name, value):
+        try:
+            SetVar(name, value)
+        except Exception:
+            pass
+
+    # ---- helpers ----
+    def is_empty(v):
+        if v is None:
+            return True
+        if isinstance(v, str):
+            s = v.strip().lower()
+            return s == "" or s in ("none", "null", "nan", "undefined")
+        return False
+
+    def fmt_es_money(value, decimals=2):
+        # self-contained (no depende de otra func global)
+        if is_empty(value):
+            return None
+
+        if isinstance(value, (int, float, Decimal)):
+            d = Decimal(str(value))
+        else:
+            s = str(value).strip()
+            s = re.sub(r"[^0-9,.\-]", "", s)
+            if is_empty(s):
+                return None
+
+            # soporta "30.000,00" -> 30000.00
+            if "." in s and "," in s:
+                s = s.replace(".", "").replace(",", ".")
+            elif "," in s and "." not in s:
+                s = s.replace(",", ".")
+
+            try:
+                d = Decimal(s)
+            except InvalidOperation:
+                return None
+
+        q = Decimal("1." + ("0" * decimals))
+        d = d.quantize(q)
+
+        us = f"{d:,.{decimals}f}"                 # 30,000.00
+        return us.replace(",", "X").replace(".", ",").replace("X", ".")  # 30.000,00
+
+    def parse_container(raw):
+        """
+        Soporta:
+          - JSON string  (dobles comillas)
+          - Python literal string (comillas simples)
+          - dict/list nativo (raro)
+        Retorna (obj, kind) donde kind: 'json' | 'py' | None
+        """
+        if is_empty(raw):
+            return None, None
+
+        if isinstance(raw, (dict, list)):
+            return raw, "py"
+
+        if not isinstance(raw, str):
+            return None, None
+
+        txt = raw.strip()
+
+        # JSON
+        try:
+            obj = json.loads(txt)
+            if isinstance(obj, (dict, list)):
+                return obj, "json"
+        except Exception:
+            pass
+
+        # Python literal
+        try:
+            obj = ast.literal_eval(txt)
+            if isinstance(obj, (dict, list)):
+                return obj, "py"
+        except Exception:
+            return None, None
+
+        return None, None
+
+    def serialize_container(obj, kind):
+        if kind == "json":
+            return json.dumps(obj, ensure_ascii=False)
+        return repr(obj)  # kind == "py"
+
+    def format_amount_in_obj(obj):
+        # Formatea amount in-place para dict o list[dict]
+        if isinstance(obj, dict):
+            if "amount" in obj and not is_empty(obj.get("amount")):
+                f = fmt_es_money(obj.get("amount"), 2)
+                if f is not None:
+                    obj["amount"] = f
+            return
+
+        if isinstance(obj, list):
+            for it in obj:
+                if isinstance(it, dict) and "amount" in it and not is_empty(it.get("amount")):
+                    f = fmt_es_money(it.get("amount"), 2)
+                    if f is not None:
+                        it["amount"] = f
+
+    def extract_amounts(obj):
+        # Devuelve lista de amounts (ya formateados) desde dict o list
+        res = []
+        if isinstance(obj, dict):
+            if "amount" in obj and not is_empty(obj.get("amount")):
+                res.append(str(obj.get("amount")))
+            return res
+
+        if isinstance(obj, list):
+            for it in obj:
+                if isinstance(it, dict) and "amount" in it and not is_empty(it.get("amount")):
+                    res.append(str(it.get("amount")))
+            return res
+
+        return res
+
+    # =========================
+    # 1) Montos directos (tus variables)
+    # =========================
+    money_vars = [
+        "precio_cochera",
+        "precio_baulera",
+        "precio_departamento",
+        "adicional_piso",
+        "pago_sena",
+        "pago_inicial",
+        "valor_total_compra",
+        "monto_saldo",
+        "total_pagado",
+        "saldo_a_pagar",
+    ]
+
+    for name in money_vars:
+        val = rb_get(name)
+        if is_empty(val):
+            continue
+        f = fmt_es_money(val, 2)
+        if f is not None:
+            rb_set(name, f)
+
+    # =========================
+    # 2) cuotas_pre -> pre_amount
+    # (puede venir dict o list o string)
+    # =========================
+    rb_set("pre_amount", "")
+    raw = rb_get("cuotas_pre")
+    obj, kind = parse_container(raw)
+    if obj is not None:
+        format_amount_in_obj(obj)
+        rb_set("cuotas_pre", serialize_container(obj, kind))
+        amts = extract_amounts(obj)
+        rb_set("pre_amount", amts[0] if amts else "")
+
+    # =========================
+    # 3) cuotas_post -> amount_post
+    # =========================
+    rb_set("amount_post", "")
+    raw = rb_get("cuotas_post")
+    obj, kind = parse_container(raw)
+    if obj is not None:
+        format_amount_in_obj(obj)
+        rb_set("cuotas_post", serialize_container(obj, kind))
+        amts = extract_amounts(obj)
+        rb_set("amount_post", " | ".join(amts) if amts else "")
+
+    # =========================
+    # 4) refuerzos -> amount_refuerzo
+    # ejemplo: [{"date":"...","amount":5000}, ...]
+    # =========================
+    rb_set("amount_refuerzo", "")
+    raw = rb_get("refuerzos")
+    obj, kind = parse_container(raw)
+    if obj is not None:
+        format_amount_in_obj(obj)
+        rb_set("refuerzos", serialize_container(obj, kind))
+        amts = extract_amounts(obj)
+        rb_set("amount_refuerzo", " | ".join(amts) if amts else "")
+
+    # (Debug opcional para confirmar que el formatter anda)
+    # rb_set("debug_format_test", fmt_es_money("30000.00", 2))  # => 30.000,00
+
+main()
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