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Subastech — subastas judiciales de inmuebles (BOE)

Subastas similares

similares
Read-onlyIdempotent

Subastas parecidas a una dada (mismo tipo de inmueble, banda de precio, cercanía). Requiere cuenta (scope informes:read). Con plan Pro o superior se ordenan por scoring (metodo: scoring); si no, por fecha de fin (metodo: publico).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYesIdentificador público de la subasta (10 caracteres)
limiteNoNúmero máximo de subastas similares a devolver (1-10).

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
ctaNo
baseYes
itemsYes
metodoYes
disclosureNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed6 schema fields changed
    • changedOutput schema / properties / base / properties / axes / anyOf
      Previous value: -[
      -  {
      -    "additionalProperties": {},
      -    "properties": {
      -      "cargas": {
      -        "anyOf": [
      -          {
      -            "type": "number"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "posesion": {
      -        "anyOf": [
      -          {
      -            "type": "number"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "rentab": {
      -        "anyOf": [
      -          {
      -            "type": "number"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "titularidad": {
      -        "anyOf": [
      -          {
      -            "type": "number"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      }
      -    },
      -    "required": [
      -      "cargas",
      -      "posesion",
      -      "rentab",
      -      "titularidad"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]New value: +[
      +  {
      +    "additionalProperties": {},
      +    "properties": {
      +      "cargas": {
      +        "anyOf": [
      +          {
      +            "type": "number"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "cargasMotivo": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "posesion": {
      +        "anyOf": [
      +          {
      +            "type": "number"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "rentab": {
      +        "anyOf": [
      +          {
      +            "type": "number"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "titularidad": {
      +        "anyOf": [
      +          {
      +            "type": "number"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      }
      +    },
      +    "required": [
      +      "cargas",
      +      "posesion",
      +      "rentab",
      +      "titularidad"
      +    ],
      +    "type": "object"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • addedOutput schema / properties / base / properties / cadastralReview
      Added value: +{
      +  "anyOf": [
      +    {
      +      "type": "string"
      +    },
      +    {
      +      "type": "null"
      +    }
      +  ]
      +}
    • changedOutput schema / properties / base / 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"
      +]
    • changedOutput schema / properties / items / items / properties / axes / anyOf
      Previous value: -[
      -  {
      -    "additionalProperties": {},
      -    "properties": {
      -      "cargas": {
      -        "anyOf": [
      -          {
      -            "type": "number"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "posesion": {
      -        "anyOf": [
      -          {
      -            "type": "number"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "rentab": {
      -        "anyOf": [
      -          {
      -            "type": "number"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      },
      -      "titularidad": {
      -        "anyOf": [
      -          {
      -            "type": "number"
      -          },
      -          {
      -            "type": "null"
      -          }
      -        ]
      -      }
      -    },
      -    "required": [
      -      "cargas",
      -      "posesion",
      -      "rentab",
      -      "titularidad"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "type": "null"
      -  }
      -]New value: +[
      +  {
      +    "additionalProperties": {},
      +    "properties": {
      +      "cargas": {
      +        "anyOf": [
      +          {
      +            "type": "number"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "cargasMotivo": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "posesion": {
      +        "anyOf": [
      +          {
      +            "type": "number"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "rentab": {
      +        "anyOf": [
      +          {
      +            "type": "number"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      },
      +      "titularidad": {
      +        "anyOf": [
      +          {
      +            "type": "number"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ]
      +      }
      +    },
      +    "required": [
      +      "cargas",
      +      "posesion",
      +      "rentab",
      +      "titularidad"
      +    ],
      +    "type": "object"
      +  },
      +  {
      +    "type": "null"
      +  }
      +]
    • 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"
      +]
  2. Changed2 schema fields changed
    • changedOutput schema / properties / base / properties / phase / enum
      Previous value: -[
      -  "activa",
      -  "historica",
      -  "descartada"
      -]New value: +[
      +  "activa",
      +  "historica",
      +  "descartada",
      +  "suspendida"
      +]
    • changedOutput schema / properties / items / items / properties / phase / enum
      Previous value: -[
      -  "activa",
      -  "historica",
      -  "descartada"
      -]New value: +[
      +  "activa",
      +  "historica",
      +  "descartada",
      +  "suspendida"
      +]
  3. Changed1 schema field changed
    • addedInput schema / additionalProperties
      Added value: +false
  4. Changed1 schema field changed
    • addedInput schema / properties / limite / description
      Added value: +"Número máximo de subastas similares a devolver (1-10)."
  5. First observed

TDQS

A3.7/5.0
Behavior4/5

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

Annotations already cover readOnly/idempotent/safe. The description adds real behavioral context beyond them: it requires an account with scope `informes:read`, and the result ordering depends on plan tier (scoring for Pro+, end-date otherwise). The mention of `metodo:` values is slightly ambiguous since no such input parameter exists, but the auth and ordering disclosures are valuable.

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?

Three sentences, front-loaded with the core purpose and similarity criteria, then auth and ordering. Reasonably efficient, though the plan/ordering sentence is the most detail-heavy and slightly tangential.

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

Completeness4/5

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

With an output schema present, return values need not be explained, and the description covers the key non-obvious facts an agent needs: auth scope and tier-dependent ordering. It is close to complete for this simple two-parameter read tool, with only the misleading `metodo` reference as a minor blemish.

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

Parameters3/5

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

Schema description coverage is 100%, so the schema already documents `id` (with pattern) and `limite` (1-10). The description adds no syntax or format detail beyond it, and the `metodo` tokens it references are not actual parameters, so the baseline 3 applies.

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?

States a specific verb+resource ('Subastas parecidas a una dada') and even enumerates the similarity dimensions (mismo tipo de inmueble, banda de precio, cercanía), so the agent understands the operation without opening the schema. It does not explicitly differentiate itself from siblings like buscar_subastas or subasta, keeping it short of a 5.

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

Usage Guidelines3/5

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

Usage is only implied: the tool finds auctions similar to a given one. There is no explicit when-to-use vs when-not guidance nor any named alternative (e.g. buscar_subastas for general search), so the agent must infer the routing.

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

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