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El Pujante MCP server

Which MCP servers are El Pujante's own, from the official registry and from asking its own domain, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-26

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Whose server it is
  • Registry namees.elpujante/subastasverified in the MCP registry

The registry name sits under elpujante.es. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-26
  • Stateanswerschecked 2026-10-26
  • Tools7
  • Server calls itselfPujante — subastas públicas de España
  • Protocol version2025-06-18

On 2026-10-26 the server answered initialize and tools/list without a sign-in. First answer in 208 ms.

Should an agent connect itNot proven either way yet
  • Its tools do check charges and effective discount on auctioned homes; compare several auctioned properties side by side on price and charges, but not get alerts when new auctions match saved criteria.
  • Checked on 1 of the 7 days it takes to judge reliability.

Once connected

  • For "compare several auctioned properties side by side on price and charges", the likely first call is comparar_inmuebles.
  • Parameters are untyped or undescribed in 6 of 7 tools: check arguments before calling.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

Measured dailydaily checks: 1, the first on 2026-10-26
  • INITE MCP scoreafter a weeka score needs 7 daily checks: 1 so far
  • What an agent can do with it2 of 3 use cases
  • Answeredmeasuring1 of the 7 daily checks it takes to print a share
  • Median first answer630 ms
  • Space in an agent's context≈ 1,176 tokensthe definitions of all its tools (7), which an agent carries on every turn
  • Tool definitionsB · 86 of 100
  • Typed results0 of 7 toolsdeclared outputSchema: results come typed, read once
  • Parameters without a description: in 6 of 7

What an agent can do with it

  • can do · check charges and effective discount on auctioned homes
  • can do · compare several auctioned properties side by side on price and charges
  • cannot · get alerts when new auctions match saved criteria

Each of the product's use cases, put to Jev against this server's tool list: can an agent do it with these tools?

Worth a look

None of the five warning signs in these definitions.

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (25%), doing the product's job (25%), definitions (20%), context (10%), use (10%) and how readily a client connects (10%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

Tools it offers7 tools · read 2026-10-26
  • buscar_inmuebles

    Busca inmuebles en subasta pública activa en España (BOE, AEAT y Seguridad Social). Todos los filtros son opcionales. - `uso`: Residencial, Comercial, Industrial, Agrario... - `bien_subtipo`: Vivienda, Garaje, Finca rústica, Solar…

  • detalle_inmueble

    Ficha completa de un inmueble en subasta por su `bien_id`: valores, fechas, cargas, datos catastrales, coordenadas y URL oficial.

  • resumen_riesgo

    Indicadores de riesgo y oportunidad de una subasta: alertas (cargas elevadas, deuda subsistente TGSS, vivienda habitual...) y señales positivas. Consultar SIEMPRE antes de recomendar una subasta.

  • costes_totales

    Estimación del coste real de adjudicarse un inmueble: precio + ITP (según la comunidad autónoma) + notaría + registro + cargas subrogables conocidas. `precio` es el remate hipotético; por defecto usa el valor de subasta.

  • comparar_inmuebles

    Fichas completas de 2 a 5 inmuebles para compararlos lado a lado.

  • inmuebles_similares

    Subastas activas parecidas a la dada: mismo código postal, o mismo uso en la misma provincia con precio ±20%.

  • stats_inventario

    Cifras globales del inventario: subastas activas por fuente, provincia y tipo, precios medios y cobertura del enriquecimiento.

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "subastas": {
      "type": "http",
      "url": "https://elpujante.es/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http elpujante https://elpujante.es/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://elpujante.es/mcp as a custom connector in the settings.

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.