datafair.cloud

get_dataset_schema

Get column schema and 3 sample rows for a dataset. Call this when you do not already know the column keys and types — if they were provided to you (e.g. by the parent assistant), skip it and query directly. A rejected filter/sort/metric returns a 400 listing the column's valid operations, so you can self-correct without fetching the schema upfront.

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Input schema

{
  "type": "object",
  "properties": {
    "datasetId": {
      "type": "string",
      "description": "The exact dataset ID from the \"id\" field in list_datasets results. Do not use the title or slug."
    }
  },
  "required": [
    "datasetId"
  ]
}