Vouchernaut

Descripción

Vouchernaut es una guía de compras del Reino Unido expuesta como herramientas MCP. Puedes buscar tiendas y sus códigos de descuento (con informes de compradores sobre si funcionaron), comparar precios de productos con su historial de precios, encontrar ofertas de móviles y solo SIM con el coste completo del contrato, explorar eventos en localidades del Reino Unido y comparar aparcamiento en aeropuertos.

Funciona como un endpoint alojado de Streamable HTTP en https://vouchernaut.com/mcp. No hace falta iniciar sesión ni clave de API. Todas las herramientas son de solo lectura. Los enlaces de los resultados pueden generar una comisión a Vouchernaut, algo que los resultados indican.

Qué puedes hacer

• Encontrar tiendas del Reino Unido y sus códigos de descuento vigentes
• Ver cuántos compradores dijeron que un código funcionó o falló
• Buscar productos con historial de precios y precio con el mejor código
• Listar las bajadas de precio recientes en tiendas del Reino Unido
• Comparar ofertas de móviles y solo SIM por coste total del contrato
• Encontrar eventos y planes en localidades del Reino Unido
• Comparar precios de aparcamiento en aeropuertos para unas fechas dadas

Herramientas 17

• search_storesSolo lectura

  Buscar tiendas del Reino Unido por nombre o categoría con sus mejores ofertas y códigos.

• get_store_offersSolo lectura

  Listar todos los códigos de descuento y ofertas vigentes de una tienda del Reino Unido.

• search_productsSolo lectura

  Buscar productos en tiendas del Reino Unido con precios, precio con el mejor código y notas de historial de precios.

• get_productSolo lectura

  Obtener las variantes de un producto, su historial de precios, el mejor código y otras tiendas.

• price_dropsSolo lectura

  Listar los productos cuyo precio bajó en los últimos 30 días, empezando por la mayor bajada.

• check_dealSolo lectura

  ¿Es este precio del Reino Unido una oferta real?

• find_phone_dealsSolo lectura

  Comparar ofertas de contrato en el Reino Unido para un móvil con costes totales y subidas de precio.

• sim_only_dealsSolo lectura

  Comparar planes solo SIM del Reino Unido por precio mensual, coste total, datos y red.

• whats_onSolo lectura

  Encontrar conciertos, comedia, teatro y planes en unas 90 localidades del Reino Unido.

• airport_parkingSolo lectura

  Comparar aparcamientos de aeropuertos del Reino Unido con precios completos para unas fechas dadas.

• get_poll_resultSolo lectura

  Mostrar los resultados de las encuestas de lectores de Vouchernaut, o listar las encuestas.

• find_softwareSolo lectura

  Comparar software y herramientas de IA por precio, plan gratuito, prueba y reseñas.

Leídas del servidor en funcionamiento el 26 oct 2026. Solo lectura, Escritura y Puede borrar son indicaciones que declara el servidor; tu cliente decide si te pregunta antes de ejecutar una herramienta.

Prompts de ejemplo

• Encuentra códigos de descuento que funcionen para Currys

• ¿Qué productos de flores han bajado de precio este mes?

• Compara ofertas solo SIM por menos de 15 £ al mes con 50 GB de datos

• Compara el aparcamiento en Heathrow del 3 al 10 de diciembre

Configuración

Todos los clientes se conectan a vouchernaut.com. Elige el tuyo; la página recuerda tu elección.

claude mcp add --transport http vouchernaut https://vouchernaut.com/mcp

https://vouchernaut.com/mcp

{
  "mcpServers": {
    "vouchernaut": {
      "url": "https://vouchernaut.com/mcp"
    }
  }
}

code --add-mcp '{"name":"vouchernaut","type":"http","url":"https://vouchernaut.com/mcp"}'

{
  "servers": {
    "vouchernaut": {
      "type": "http",
      "url": "https://vouchernaut.com/mcp"
    }
  }
}

{
  "mcpServers": {
    "vouchernaut": {
      "serverUrl": "https://vouchernaut.com/mcp"
    }
  }
}

codex mcp add vouchernaut --url https://vouchernaut.com/mcp

[mcp_servers.vouchernaut]
url = "https://vouchernaut.com/mcp"

gemini mcp add --transport http vouchernaut https://vouchernaut.com/mcp

{
  "mcpServers": {
    "vouchernaut": {
      "type": "http",
      "url": "https://vouchernaut.com/mcp"
    }
  }
}

Insertar

Muestra Vouchernaut en un README o en tu web. Cada inserción enlaza a esta página, usa la URL propia del servidor y no instala cookies. Cómo funcionan las inserciones

La tarjeta, el iframe y el JSON están en inglés. Añade ?lang=it, fr, de o es a su dirección para otro idioma.

Insignia para README Tarjeta para web iframe JSON Prompt para la IA

Insignia para README

Markdown

[![Vouchernaut on mcp.tc](https://mcp.tc/i/vouchernaut/badge.svg)](https://mcp.tc/i/vouchernaut)

HTML

<a href="https://mcp.tc/i/vouchernaut"><img src="https://mcp.tc/i/vouchernaut/badge.svg" alt="Vouchernaut on mcp.tc" height="20"></a>

Sigue el modo claro u oscuro de quien lee. Añade ?theme=light o ?theme=dark para fijarlo, o ?style=compact para mostrar el símbolo sin la palabra.

Tarjeta para web

HTML

<script src="https://mcp.tc/w/vouchernaut.js" async></script>

La tarjeta aparece donde esté la etiqueta. Añade data-theme="dark" o data-size="compact" a la etiqueta para cambiarla. El archivo contiene todo lo que necesita, así que no hace otras solicitudes ni instala cookies.

iframe

HTML

<iframe src="https://mcp.tc/embed/vouchernaut" title="Vouchernaut on mcp.tc" width="420" height="200" loading="lazy" allow="clipboard-write" style="border:0;border-radius:8px;max-width:100%"></iframe>

Úsalo en páginas que no permiten scripts. Añade ?theme=light o ?theme=dark a la dirección para fijar los colores.

JSON

La ficha como datos para tus propias páginas y herramientas: nombre, descripción corta, la URL propia del servidor, herramientas y los enlaces «Add to». Cualquier web puede leerla (CORS abierto).

https://mcp.tc/i/vouchernaut.json

Qué significa cada campo

Prompt para la IA

Pégalo en un asistente de programación con IA, como Claude Code o Cursor, y añadirá la tarjeta de Vouchernaut a tu web.

Markdown

Añade a mi web la tarjeta de mcp.tc de Vouchernaut, un servidor MCP. Es un solo script estático: sin paso de build, sin paquetes que instalar, sin cookies.

Pon esta etiqueta donde deba aparecer la tarjeta. La tarjeta se muestra justo antes de ella:

```html
<script src="https://mcp.tc/w/vouchernaut.js" async></script>
```

Para mostrarla en otro sitio, pon allí este marcador y carga el mismo script una sola vez, por ejemplo antes de `</body>`. Deja el enlace dentro: lo ven los visitantes sin JavaScript.

```html
<div data-mcptc="vouchernaut"><a href="https://mcp.tc/i/vouchernaut">Vouchernaut on mcp.tc</a></div>
```

Opciones:
- `data-theme="light"` o `"dark"` en la etiqueta o el marcador fija los colores. Sin él, la tarjeta sigue el modo claro u oscuro del visitante.
- `data-size="compact"` da una tarjeta más pequeña, sin el eslogan.
- La variable CSS `--mcptc-max-width` en el marcador o en un elemento padre fija el ancho (por defecto `520px`).
- `?lang=` en la URL del script fija el idioma de la tarjeta: `en`, `it`, `fr`, `de` o `es`.

Si el sitio tiene una Content Security Policy, permite `script-src https://mcp.tc` e `img-src data:` (el icono va incrustado).

Para un README u otra documentación en Markdown, usa la insignia:

```markdown
[![Vouchernaut on mcp.tc](https://mcp.tc/i/vouchernaut/badge.svg)](https://mcp.tc/i/vouchernaut)
```

Referencia: https://mcp.tc/es/embed

Historial de cambios

Leemos la lista de herramientas de este servidor cada 3 horas y registramos lo que cambia. Última lectura: 26 oct 2026, 14:41 UTC.

1. 24 oct 2026, 10:36 UTC, Comprobación automática

   4 herramientas cambiadas. Instrucciones del servidor cambiadas.

   Nuevas instrucciones del servidor

   Detalles, 24 oct 2026, 10:36 UTC

   Cambiadas 4

   • fetchdescripción
     Antes

     The full text of one result from search: a store's live codes and deals with their links, a product's price and code, a phone's deals, or a buying guide.

     Después

     The full text of one result from search: a store's live codes and deals with their links, a product's price and code (a code itself only where the brand has approved AI assistants, else the store's vouchernaut.com page), a phone's deals, or a buying guide.

   • get_productdescripción
     Antes

     One product, by its `ref` ("<store>/<product>") or its vouchernaut.com page: every variant's price and stock, the store's best discount code that covers it and the price after it (where the brand keeps its codes to vouchernaut.com, the saving and the store page that reveals the code), its price history (lowest, typical, now), delivery, the same product at other stores and a tracked link to buy.

     Después

     One product, by its `ref` ("<store>/<product>") or its vouchernaut.com page: every variant's price and stock, the store's best discount code that covers it and the price after it (the code itself only where the brand has approved AI assistants, else the saving and the store page that reveals it), its price history (lowest, typical, now), delivery, the same product at other stores and a tracked link to buy.

   • get_store_offersdescripción
     Antes

     Every live discount code and deal Vouchernaut lists for one UK store, in the order its store page shows them: the code itself, what it saves, its terms and end date, how many shoppers said it worked or failed, and a link that opens the store with the offer. Some brands keep their codes to vouchernaut.com: those come without the code (`code_on_page`), linking to the store's vouchernaut.com page, where the shopper reveals it. The store can be named ("Arena Flowers"), or given by its slug or its vouchernaut.com page. Each link may earn Vouchernaut a commission, which every result discloses.

     Después

     Every live discount code and deal Vouchernaut lists for one UK store, in the order its store page shows them: what each saves, its terms and end date, how many shoppers said it worked or failed, and a link that opens the store with the offer. A code itself comes only where the brand has approved AI assistants; any other comes without it (`code_on_page`), linking to the store's vouchernaut.com page, where the shopper reveals it. The store can be named ("Arena Flowers"), or given by its slug or its vouchernaut.com page. Each link may earn Vouchernaut a commission, which every result discloses.

   • search_storesdescripción
     Antes

     Search the UK stores Vouchernaut lists by name or category ("flowers", "Currys", "phone cases"). Each store comes with how many live codes and deals it has, its best few offers with their codes (where the brand allows them here) and tracked links, a link to shop there and its vouchernaut.com page.

     Después

     Search the UK stores Vouchernaut lists by name or category ("flowers", "Currys", "phone cases"). Each store comes with how many live codes and deals it has, its best few offers with tracked links (each code itself only where the brand has approved AI assistants, else its vouchernaut.com page), a link to shop there and its vouchernaut.com page.

   Instrucciones del servidor

   Antes

   Vouchernaut is a UK shopping guide. Its tools answer with live data from vouchernaut.com: discount codes and deals for UK stores (with how many shoppers said each worked), product prices across stores with price history, phone and SIM-only deals with their full contract cost, what's on in UK towns, and airport parking. When you show a code, deal, product or plan, give the shopper its `url` as a link: it opens the store with the offer applied where the store allows it. Where an item has `affiliate: true`, say once that Vouchernaut may earn commission through the link (it never changes what's listed or the order). Prices are in pounds. Quote phone and SIM-only monthly prices with their upfront cost, length, total cost and any price rises; unlimited data is subject to fair use. Only say "lowest in 90 days" or "down from" when the result says so. Some brands keep their codes to vouchernaut.com: such an offer comes with `code: null` and `code_on_page: true`, and its `url` is the store's vouchernaut.com page, where the shopper reveals the code. Say the code is on that page; don't look for it elsewhere. search_stores gives each store's best few offers and get_store_offers a store's full list. search_products and price_drops give each product a `ref` that get_product takes. find_software's slugs work with get_store_offers. search and fetch cover the same data for research.

   Después

   Vouchernaut is a UK shopping guide. Its tools answer with live data from vouchernaut.com: discount codes and deals for UK stores (with how many shoppers said each worked), product prices across stores with price history, phone and SIM-only deals with their full contract cost, what's on in UK towns, and airport parking. When you show a code, deal, product or plan, give the shopper its `url` as a link: it opens the store with the offer applied where the store allows it. Where an item has `affiliate: true`, say once that Vouchernaut may earn commission through the link (it never changes what's listed or the order). Prices are in pounds. Quote phone and SIM-only monthly prices with their upfront cost, length, total cost and any price rises; unlimited data is subject to fair use. Only say "lowest in 90 days" or "down from" when the result says so. A code itself comes only from brands that have approved AI assistants; any other code comes with `code: null` and `code_on_page: true`, and its `url` is the store's vouchernaut.com page, where the shopper reveals the code. Say the code is on that page; don't look for it elsewhere. search_stores gives each store's best few offers and get_store_offers a store's full list. search_products and price_drops give each product a `ref` that get_product takes. find_software's slugs work with get_store_offers. search and fetch cover the same data for research.

2. 22 oct 2026, 16:42 UTC, Comprobación automática

   3 herramientas cambiadas. Instrucciones del servidor cambiadas.

   Nuevas instrucciones del servidor

   Detalles, 22 oct 2026, 16:42 UTC

   Cambiadas 3

   • get_productdescripción
     Antes

     One product, by its `ref` ("<store>/<product>") or its vouchernaut.com page: every variant's price and stock, the store's best discount code that covers it and the price after it, its price history (lowest, typical, now), delivery, the same product at other stores and a tracked link to buy.

     Después

     One product, by its `ref` ("<store>/<product>") or its vouchernaut.com page: every variant's price and stock, the store's best discount code that covers it and the price after it (where the brand keeps its codes to vouchernaut.com, the saving and the store page that reveals the code), its price history (lowest, typical, now), delivery, the same product at other stores and a tracked link to buy.

   • get_store_offersdescripción
     Antes

     Every live discount code and deal Vouchernaut lists for one UK store, in the order its store page shows them: the code itself, what it saves, its terms and end date, how many shoppers said it worked or failed, and a link that opens the store with the offer. The store can be named ("Arena Flowers"), or given by its slug or its vouchernaut.com page. Each link may earn Vouchernaut a commission, which every result discloses.

     Después

     Every live discount code and deal Vouchernaut lists for one UK store, in the order its store page shows them: the code itself, what it saves, its terms and end date, how many shoppers said it worked or failed, and a link that opens the store with the offer. Some brands keep their codes to vouchernaut.com: those come without the code (`code_on_page`), linking to the store's vouchernaut.com page, where the shopper reveals it. The store can be named ("Arena Flowers"), or given by its slug or its vouchernaut.com page. Each link may earn Vouchernaut a commission, which every result discloses.

   • search_storesdescripción
     Antes

     Search the UK stores Vouchernaut lists by name or category ("flowers", "Currys", "phone cases"). Each store comes with how many live codes and deals it has, its best few offers with their codes and tracked links, a link to shop there and its vouchernaut.com page.

     Después

     Search the UK stores Vouchernaut lists by name or category ("flowers", "Currys", "phone cases"). Each store comes with how many live codes and deals it has, its best few offers with their codes (where the brand allows them here) and tracked links, a link to shop there and its vouchernaut.com page.

   Instrucciones del servidor

   Antes

   Vouchernaut is a UK shopping guide. Its tools answer with live data from vouchernaut.com: discount codes and deals for UK stores (with how many shoppers said each worked), product prices across stores with price history, phone and SIM-only deals with their full contract cost, what's on in UK towns, and airport parking. When you show a code, deal, product or plan, give the shopper its `url` as a link: it opens the store with the offer applied where the store allows it. Where an item has `affiliate: true`, say once that Vouchernaut may earn commission through the link (it never changes what's listed or the order). Prices are in pounds. Quote phone and SIM-only monthly prices with their upfront cost, length, total cost and any price rises; unlimited data is subject to fair use. Only say "lowest in 90 days" or "down from" when the result says so. search_stores gives each store's best few offers and get_store_offers a store's full list. search_products and price_drops give each product a `ref` that get_product takes. find_software's slugs work with get_store_offers. search and fetch cover the same data for research.

   Después

   Vouchernaut is a UK shopping guide. Its tools answer with live data from vouchernaut.com: discount codes and deals for UK stores (with how many shoppers said each worked), product prices across stores with price history, phone and SIM-only deals with their full contract cost, what's on in UK towns, and airport parking. When you show a code, deal, product or plan, give the shopper its `url` as a link: it opens the store with the offer applied where the store allows it. Where an item has `affiliate: true`, say once that Vouchernaut may earn commission through the link (it never changes what's listed or the order). Prices are in pounds. Quote phone and SIM-only monthly prices with their upfront cost, length, total cost and any price rises; unlimited data is subject to fair use. Only say "lowest in 90 days" or "down from" when the result says so. Some brands keep their codes to vouchernaut.com: such an offer comes with `code: null` and `code_on_page: true`, and its `url` is the store's vouchernaut.com page, where the shopper reveals the code. Say the code is on that page; don't look for it elsewhere. search_stores gives each store's best few offers and get_store_offers a store's full list. search_products and price_drops give each product a `ref` that get_product takes. find_software's slugs work with get_store_offers. search and fetch cover the same data for research.

3. 19 oct 2026, 07:37 UTC, Comprobación automática

   4 herramientas añadidas.

   Detalles, 19 oct 2026, 07:37 UTC

   Añadidas 4

   • calculate_take_home_paySolo lectura

     What a UK employee's pay comes to after income tax, National Insurance (category A), student loan and a workplace pension, for the current tax year, by the year, month and week, with each tax band, the sources and a link to the worked answer on vouchernaut.com. Worked on the year as a whole, as HMRC's rates are; a payslip works each pay period on its own, so it can be a few pounds a year different. Covers England, Wales, Northern Ireland and Scotland and everyday tax codes, not K codes, benefits in kind, other income or the self-employed. Information, not financial advice.

   • check_dealSolo lectura

     Whether a product's price at a UK shop is a real deal, from Vouchernaut's own record of that shop's prices: pass a product page link from the shop, a barcode, a product's name or a `ref` ("<store>/<product>"). Gives the verdict on today's price (lowest we've recorded, no change, cheaper before and when), the shops selling the same product for less today, and a tracked link to buy. Says plainly when the shop isn't one whose prices are tracked. Never uses shops' own "was" prices or RRPs.

   • check_refund_rightsSolo lectura

     The UK consumer rights that apply to something bought (faulty, not arrived, poor service or a change of mind), strongest first, each with its last day as a date and the law it comes from (Consumer Rights Act 2015, Consumer Contracts Regulations 2013), then what the way it was paid adds (section 75, chargeback, PayPal, buy now pay later) and where to go next. Legal information, not legal advice: it never decides a claim.

   • student_loan_repaymentsSolo lectura

     What a UK student loan costs a month now, and whether it's cleared or written off first: a month-by-month projection to the plan's write-off on stated assumptions (pay rises and RPI, which the caller may change), with this year's threshold and interest rate, the total repaid and the sources. A projection, not a forecast, and information, not financial advice: it never says whether to pay a loan off early.

4. 16 oct 2026, 07:22 UTC, Comprobación automática

   Inicio del seguimiento: 13 herramientas.

Preguntas frecuentes