Get Table Schema - Markifact

Retrieves the schema and structure information of Google BigQuery tables


App	BigQuery
Operation ID	`bigquery_get_table_schema`
Type	Action
Connection	`bigquery` (required)
Credits per run	1
Agent / MCP tool	Yes

Inputs

Field	Type	Required	Default	Description
`project`	string or SelectItem	Yes	-	Select the Google BigQuery project, ask the user for it if not provided
`dataset`	string or SelectItem	Yes	-	Select the BigQuery dataset containing your target table
`table`	string or SelectItem	Yes	-	Select the target BigQuery table to get schema from

SelectItem

Field	Type	Required	Default	Description
`value`	string	Yes	-	The value of the selectable item.
`label`	string	Yes	-	The label of the selectable item, used for display purposes. If not provided, defaults to the value.

Output

Type: List[Dict] Returns table schema fields. Fields: field_name, field_type, mode, description, is_nullable, is_required, is_repeated