Subastech — subastas judiciales de inmuebles (BOE)

Buscar subastas

buscar_subastas

Read-onlyIdempotent

Busca subastas judiciales de inmuebles del BOE por provincia, municipio, tipo, precio, superficie, texto libre, zona (bbox o radio) y estado. Pública, sin cuenta: devuelve datos oficiales del BOE y la URL de cada ficha. El scoring, veredicto, cargas, ROI, valoración e intervinientes requieren cuenta y plan Pro o superior; si algo está cerrado se devuelve locked con upgradeUrl. Sin plan con scoring, orden: score pasa a recent y solo_viables se ignora (campo degradado). Máximo 20 por página (por_pagina, o su alias limite); no acepta parámetros que no estén declarados.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "buscar_subastas"
  }
}

Input Schema

Name	Required	Description
`bbox`	No	Zona rectangular en grados (lon/lat)
`tipo`	No	Tipos de inmueble, valores EXACTOS de `estadisticas_publicas.tipos` (p. ej. `Vivienda`, `Garaje`)
`cerca`	No	Radio alrededor de un punto (máximo 50 km)
`orden`	No	`recent` (por defecto), `ending`, `discount`, `price`; `score` solo con plan Pro (si no, pasa a `recent`)
`texto`	No	Texto libre (calle, barrio, juzgado…), máximo 120 caracteres
`estado`	No	`activas` (por defecto), `todas`, `adjudicadas` o `desiertas`
`limite`	No	Alias de `por_pagina` (número de resultados por página). Si indicas los dos, manda `por_pagina`.
`pagina`	No	Página (≥1; máximo 25 sin cuenta, 50 con cuenta)
`area_max`	No	Superficie construida máxima (m²)
`area_min`	No	Superficie construida mínima (m²)
`municipio`	No	Claves `provincia:municipio` (de `estadisticas_publicas` con `municipio_q`)
`provincia`	No	Slugs de provincia (p. ej. [`madrid`, `barcelona`]); ver `estadisticas_publicas`
`por_pagina`	No	Resultados por página (1..20)
`precio_max`	No	Valor de subasta máximo (euros)
`precio_min`	No	Valor de subasta mínimo (euros)
`solo_viables`	No	Ocultar las no recomendables: solo con plan Pro (si no, se ignora)

Output Schema

Name	Required	Description	Default
`cta`	No
`items`	Yes
`total`	Yes
`locked`	No
`pagina`	Yes
`hasMore`	Yes
`paginas`	Yes
`degradado`	No
`disclosure`	No
`por_pagina`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed50 schema fields changedOct 25, 2026
- removedOutput schema / properties / items / items / properties / appraisal / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / appraisal / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / cadastral / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / cadastral / type
```
Added value: +[
+  "string",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / cadastralReview / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / cadastralReview / type
```
Added value: +[
+  "string",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / closedAt / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / closedAt / type
```
Added value: +[
+  "string",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / contentUpdatedAt / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / contentUpdatedAt / type
```
Added value: +[
+  "string",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / cp / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / cp / type
```
Added value: +[
+  "string",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / daysLeft / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / daysLeft / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / deposit / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / deposit / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / discount / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / discount / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / end / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / end / type
```
Added value: +[
+  "string",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / finalBid / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / finalBid / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / imageUrl / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / imageUrl / type
```
Added value: +[
+  "string",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / lat / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / lat / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / links / properties / catastroPdf / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / links / properties / catastroPdf / type
```
Added value: +[
+  "string",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / links / properties / streetView / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / links / properties / streetView / type
```
Added value: +[
+  "string",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / lon / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / lon / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / m2 / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / m2 / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / minimumBid / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / minimumBid / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / municipalitySlug / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / municipalitySlug / type
```
Added value: +[
+  "string",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / occupied / anyOf
```
Removed value: -[
-  {
-    "type": "boolean"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / occupied / type
```
Added value: +[
+  "boolean",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / provinceSlug / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / provinceSlug / type
```
Added value: +[
+  "string",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / ref / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / ref / type
```
Added value: +[
+  "string",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / status / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / status / type
```
Added value: +[
+  "string",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / valueAuction / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / valueAuction / type
```
Added value: +[
+  "number",
+  "null"
+]
```
- removedOutput schema / properties / items / items / properties / valueM2 / anyOf
```
Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedOutput schema / properties / items / items / properties / valueM2 / type
```
Added value: +[
+  "number",
+  "null"
+]
```

Changed2 schema fields changedOct 13, 2026

addedOutput schema / properties / items / items / properties / cadastralReview

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ]
+}

changedOutput schema / properties / items / items / required

Previous value: -[
-  "id",
-  "type",
-  "isNew",
-  "title",
-  "address",
-  "municipio",
-  "provincia",
-  "cp",
-  "ref",
-  "provinceSlug",
-  "municipalitySlug",
-  "end",
-  "contentUpdatedAt",
-  "daysLeft",
-  "valueAuction",
-  "valueM2",
-  "minimumBid",
-  "deposit",
-  "appraisal",
-  "occupied",
-  "discount",
-  "m2",
-  "status",
-  "cadastral",
-  "imageUrl",
-  "lat",
-  "lon",
-  "lot",
-  "finalBid",
-  "resultStatus",
-  "closedAt",
-  "phase",
-  "url",
-  "links",
-  "fuente"
-]New value: +[
+  "id",
+  "type",
+  "isNew",
+  "title",
+  "address",
+  "municipio",
+  "provincia",
+  "cp",
+  "ref",
+  "provinceSlug",
+  "municipalitySlug",
+  "end",
+  "contentUpdatedAt",
+  "daysLeft",
+  "valueAuction",
+  "valueM2",
+  "minimumBid",
+  "deposit",
+  "appraisal",
+  "occupied",
+  "discount",
+  "m2",
+  "status",
+  "cadastral",
+  "cadastralReview",
+  "imageUrl",
+  "lat",
+  "lon",
+  "lot",
+  "finalBid",
+  "resultStatus",
+  "closedAt",
+  "phase",
+  "url",
+  "links",
+  "fuente"
+]

Changed1 schema field changedOct 2, 2026

changedOutput schema / properties / items / items / properties / phase / enum

Previous value: -[
-  "activa",
-  "historica",
-  "descartada"
-]New value: +[
+  "activa",
+  "historica",
+  "descartada",
+  "suspendida"
+]

Changed4 schema fields changedSep 11, 2026

addedInput schema / additionalProperties
```
Added value: +false
```
addedInput schema / properties / bbox / additionalProperties
```
Added value: +false
```
addedInput schema / properties / cerca / additionalProperties
```
Added value: +false
```

addedInput schema / properties / limite

Added value: +{
+  "description": "Alias de `por_pagina` (número de resultados por página). Si indicas los dos, manda `por_pagina`.",
+  "maximum": 20,
+  "minimum": 1,
+  "type": "integer"
+}

First observedSep 6, 2026

TDQS

A4.3/5.0

Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already cover read-only/idempotent, yet the description adds substantial non-obvious behavior: gated fields return `locked` with `upgradeUrl`, degraded ordering surfaces a `degradado` field, max 20 per page, and undeclared parameters are rejected. This is exactly the extra context annotations cannot convey.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Four dense sentences, front-loaded with the capability then the access/limit caveats; every sentence carries operational information. Slightly packed with parenthetical field names, but no filler.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a 16-parameter tool with nested objects and an output schema, the description covers the things schema can't: auth tier, per-page cap, degradation semantics, and the `locked`/`upgradeUrl` contract. Nothing needed to call it correctly appears missing.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so baseline is 3, but the description goes further by documenting the `por_pagina`/`limite` alias precedence and the plan-dependent behavior of `orden: score` and `solo_viables`. It doesn't cover the bbox/cerca coordinate conventions or array key formats, which remain schema-only.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

Starts with a specific verb+resource ('Busca subastas judiciales de inmuebles del BOE') and enumerates the filter axes (provincia, municipio, tipo, precio, superficie, texto, zona, estado). This clearly separates it from narrow siblings like buscar_por_codigo or similares, though it never names an alternative explicitly.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explains the access model (pública, sin cuenta) and the exact conditions that degrade behavior: sin plan con scoring, `orden: score` pasa a `recent` y `solo_viables` se ignora. It lacks an explicit 'when to use this vs buscar_por_codigo/similares' routing statement, keeping it at 4.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

All Subastech — subastas judiciales de inmuebles (BOE) tools Inspect

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