barct-efectivo-vs-cuotas-ipc
Comparar efectivo, cuotas y tarjeta a fin de mes usando valor presente, con salida breve y clara.
Best use case
barct-efectivo-vs-cuotas-ipc is best used when you need a repeatable AI agent workflow instead of a one-off prompt.
Comparar efectivo, cuotas y tarjeta a fin de mes usando valor presente, con salida breve y clara.
Teams using barct-efectivo-vs-cuotas-ipc should expect a more consistent output, faster repeated execution, less prompt rewriting.
When to use this skill
- You want a reusable workflow that can be run more than once with consistent structure.
When not to use this skill
- You only need a quick one-off answer and do not need a reusable workflow.
- You cannot install or maintain the underlying files, dependencies, or repository context.
Installation
Claude Code / Cursor / Codex
Manual Installation
- Download SKILL.md from GitHub
- Place it in
.claude/skills/barct-efectivo-vs-cuotas-ipc/SKILL.mdinside your project - Restart your AI agent — it will auto-discover the skill
How barct-efectivo-vs-cuotas-ipc Compares
| Feature / Agent | barct-efectivo-vs-cuotas-ipc | Standard Approach |
|---|---|---|
| Platform Support | Not specified | Limited / Varies |
| Context Awareness | High | Baseline |
| Installation Complexity | Unknown | N/A |
Frequently Asked Questions
What does this skill do?
Comparar efectivo, cuotas y tarjeta a fin de mes usando valor presente, con salida breve y clara.
Where can I find the source code?
You can find the source code on GitHub using the link provided at the top of the page.
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SKILL.md Source
# Skill: Cuotas vs Efectivo (version corta)
## Objetivo
Determinar que opcion conviene entre:
1. Efectivo con descuento
2. Cuotas (con o sin recargo)
3. Tarjeta en 1 pago diferido (fin de mes)
La respuesta debe ser breve, numerica y directa, usando solo valor presente.
---
## Entradas esperadas
- `precio_lista`
- `descuento_efectivo_pct` (opcional)
- `cantidad_cuotas` (opcional)
- `recargo_pct` (opcional)
- `pago_fin_mes` (opcional)
- `dias_hasta_pago` (opcional)
- `tasa_oportunidad_mensual` (recomendada)
- `usar_proyeccion_inflacion` (opcional, default `true`)
- `serie_ipc_id` (opcional, default `145.3_INGNACNAL_DICI_M_15`)
Si faltan datos, usar supuestos minimos y declararlos en una sola linea.
Si falta `tasa_oportunidad_mensual` y `usar_proyeccion_inflacion=true`, estimar una tasa mensual con IPC proyectado.
---
## Acceso interno a servicio de datos (proyeccion de inflacion)
Uso interno del skill para estimar `tasa_oportunidad_mensual` cuando no venga informada.
- Direccion de consulta: `https://apis.datos.gob.ar/series/api/series`
- Metodo de consulta: `GET`
- Serie default: `145.3_INGNACNAL_DICI_M_15`
Consulta sugerida:
`https://apis.datos.gob.ar/series/api/series?ids=145.3_INGNACNAL_DICI_M_15`
Reglas:
1. Leer `data` como filas `[fecha, valor]`.
2. Tomar los ultimos 6 valores validos.
3. Proyectar tasa mensual como promedio simple de esos 6 valores.
4. Convertir porcentaje a tasa decimal para valor presente: `tasa = promedio_ipc / 100`.
5. Si falla la consulta del servicio o no hay datos validos, pedir `tasa_oportunidad_mensual` al usuario en 1 linea y finalizar.
---
## Calculo
### 1) Efectivo
`precio_efectivo = precio_lista * (1 - descuento_efectivo_pct / 100)`
### 2) Cuotas
`total_cuotas = precio_lista * (1 + recargo_pct / 100)`
`valor_cuota = total_cuotas / cantidad_cuotas`
`valor_presente_cuotas = sum(valor_cuota / (1 + tasa_mensual)^n)`, para `n = 1..cantidad_cuotas`
`factor_descuento = sum(1 / (1 + tasa_mensual)^n)`, para `n = 1..cantidad_cuotas`
`recargo_maximo_soportable_pct = ((cantidad_cuotas / factor_descuento) - 1) * 100`
Interpretacion:
- Si `recargo_pct <= recargo_maximo_soportable_pct`, el plan en cuotas no supera la inflacion proyectada en valor presente.
- Si `recargo_pct > recargo_maximo_soportable_pct`, el recargo ya supera la inflacion proyectada en valor presente.
### 3) Tarjeta 1 pago diferido
`total_tarjeta = precio_lista`
`valor_presente_tarjeta = total_tarjeta / (1 + tasa_mensual)^(dias_hasta_pago / 30)`
### 4) Regla principal
La alternativa con menor valor presente es la recomendada.
No usar comparacion nominal para decidir.
---
## Reglas de salida (obligatorias)
- Responder en maximo 14 lineas.
- Incluir estos bloques: `Resumen`, `Desglose en valor presente`, `Conclusion`.
- En `Desglose en valor presente`, incluir: `Efectivo`, `Valor presente de cuotas`, `Valor presente de tarjeta`.
- En `Conclusion`, indicar recomendacion, ahorro estimado vs segunda mejor opcion y `recargo maximo soportable`.
- Si no hay tasa, pedirla en 1 linea. No reemplazar valor presente por comparacion nominal.
---
## Restricciones criticas
- No mencionar servicios externos, direcciones de consulta, fuentes tecnicas ni detalles internos.
- Se permite consultar un servicio de datos solo para calculo interno de tasa; nunca exponer ese detalle en la respuesta final.
- No incluir explicacion larga ni contexto teorico.
- No inventar datos faltantes sin avisar.
- No hacer comparacion por capital nominal.
- No recomendar una opcion sin calcular valor presente.
---
## Formato sugerido
Usar este formato:
`Resumen: <1 frase con recomendacion principal>`
`Desglose en valor presente:`
`- Efectivo: $X`
`- Valor presente de cuotas: $Y`
`- Valor presente de tarjeta: $Z`
`Conclusion: Conviene <opcion> (ahorro estimado: $N vs segunda mejor)`
`Recargo maximo soportable sin superar inflacion en valor presente: R%`
`Nota breve: <supuesto clave o dato faltante, solo si aplica>`
---
## Ejemplo minimo
Entrada:
```json
{
"precio_lista": 1200000,
"descuento_efectivo_pct": 15,
"cantidad_cuotas": 6,
"recargo_pct": 0,
"dias_hasta_pago": 25,
"tasa_oportunidad_mensual": 0.04
}
```
Salida esperada (estilo):
`Efectivo: $1.020.000`
`Valor presente de cuotas: $1.048.000`
`Valor presente de tarjeta: $1.161.500`
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