list_data_sources

Use list_data_sources before query_data so table and column names are grounded in the live model catalog.

read-only · idempotent

Parameters

Name	Type	Required	Default	Description
model_name	Annotated[str, Field(description='Name of the Bridge Town model whose data sources to list.')]	Yes	—
workspace_id	`Annotated[str	None, Field(description=WORKSPACE_ID_FIELD_DESCRIPTION)]`	No	None

Returns

Returns a structured object. Top-level fields:

• model_name (string)
• sources (array<object>)
• total_count (integer)

See the response example below for the full payload shape.

Example

Tool Call

{
  "name": "list_data_sources",
  "arguments": {
    "model_name": "forecasts"
  }
}

Response

{
  "model_name": "forecasts",
  "sources": [
    {
      "source_name": "actuals",
      "source_type": "parquet",
      "tables": [
        "actuals"
      ],
      "snapshot_taken_at": null,
      "snapshot_age_seconds": null,
      "schema": {
        "actuals": [
          {
            "name": "month",
            "dtype": "timestamp[us]"
          },
          {
            "name": "revenue",
            "dtype": "float64"
          }
        ]
      },
      "data_source_id": null,
      "spreadsheet_id": null,
      "queryable": true,
      "runnable": true
    },
    {
      "source_name": "headcount_sheet",
      "source_type": "google_sheets",
      "tables": [
        "headcount_sheet__roles",
        "headcount_sheet__hires"
      ],
      "snapshot_taken_at": "2026-04-28T10:00:00+00:00",
      "snapshot_age_seconds": 10800,
      "schema": {
        "headcount_sheet__roles": [
          {
            "name": "role",
            "dtype": "string"
          }
        ]
      },
      "data_source_id": "88888888-8888-8888-8888-888888888888",
      "spreadsheet_id": "1aBcDeFgHiJkLmNoPqRsTuVwXyZ0123456789ABCDEFG",
      "queryable": true,
      "runnable": true
    },
    {
      "source_name": "vendor_invoices",
      "source_type": "file_upload",
      "tables": [],
      "snapshot_taken_at": null,
      "snapshot_age_seconds": null,
      "schema": {},
      "data_source_id": "e1e10000-e1e1-e1e1-e1e1-e1e100000001",
      "spreadsheet_id": null,
      "original_filename": "vendor_invoices_2026q1.csv",
      "file_kind": "csv_file",
      "columns": [
        {
          "name": "vendor",
          "inferred_type": "text"
        },
        {
          "name": "amount",
          "inferred_type": "number"
        }
      ],
      "row_count": 412,
      "readiness": "ready",
      "queryable": false,
      "runnable": true,
      "canonical_mount_root": "/data/_sources/e1e10000-e1e1-e1e1-e1e1-e1e100000001/",
      "canonical_mount_path": "/data/_sources/e1e10000-e1e1-e1e1-e1e1-e1e100000001/data.csv",
      "legacy_mount_path": "/data/data.csv",
      "redacted_snapshot_identity": "snap_3f9a2c7e10b845d1",
      "metadata_unavailable": false
    }
  ],
  "total_count": 3
}

Notes

• Module: Data
• Requires authentication via API token or Auth0 JWT.