Fields & schema fundamentals

GraphQL only returns fields explicitly selected in the query. Start from the Node definition in the field catalog, not from an MCP result object.

graphql

query ReadPrado {
  node(id: "3127593") {
    id
    title
    node_type
    rating
    rating_votes
    category
    place_score
    address
    location { lat lon }
  }
}

place_score is a number from 0 to 100; higher is better. It is returned as a Float.

Data groups

Group	Examples	Notes
Hierarchy	`id`, `parent_id`, `ancestor_ids`, `depth`, `node_type`	Navigate countries, regions, cities, neighbourhoods and venues
Text	`title`, `tagline`, `short_description`, `description`, `introduction_text`	`description` may contain HTML; sanitize before rendering
Rankings	`ranking_score`, `rating`, `rating_votes`, `place_score`	Place Score is distinct from review rating
Classification	`category`, `additional_categories`, `location_type`	Exact case-sensitive values are important for filters
Coordinates	`location { lat lon }`	Optional nested point
Contact/media	`phone`, `url`, `main_image`, `total_photos`	May be missing; not all returned fields are filterable
User preferences	`audience`, `amenities`, `ambience`, `experience`, `access`, `environment`	AND within array filters

See Complete field catalog, Full SDL, Exact arguments, and Data model.