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Optional Environment Variables

Values for the following environment variables are optional.

TRANSPORT​

The MCP transport type to use for the server.

AUTH​

The Tableau authentication method to use by the server.

  • Default: pat
  • Possible values: pat or direct-trust
  • See Authentication for additional required variables depending on the desired method.

DEFAULT_LOG_LEVEL​

The default logging level of the server.

  • Default: debug
  • Possible values:
    • debug
    • info
    • notice
    • warning
    • error
    • critical
    • alert
    • emergency

DATASOURCE_CREDENTIALS​

A JSON string that includes usernames and passwords for any datasources that require them.

The format is:

{"ds-luid1":[{"luid":"ds1-connection-luid1","u":"username1","p":"password1"},{"luid":"ds1-connection-luid2","u":"username2","p":"password2"}],"ds-luid2":[{"luid":"ds2-connection-luid1","u":"username3","p":"password3"}]}

This is a JSON-stringified version of the following object:

{
  "ds-luid1": [
    { luid: "ds1-connection-luid1", u: "username1", p: "password1" },
    { luid: "ds1-connection-luid2", u: "username2", p: "password2" }
  ],
  "ds-luid2": [
    { luid: "ds2-connection-luid1", u: "username3", p: "password3" }
  ]
}

The connection LUIDs can be determined using the Query Data Source Connections REST API.

Future work will include a tool to automate this process. For more information, see Connect to your data source.

DISABLE_LOG_MASKING​

Disable masking of credentials in logs. For debug purposes only.

  • Default: false

INCLUDE_TOOLS​

A comma-separated list of tool or tool group names to include in the server. Only these tools will be available.

  • Default: Empty string (all are included)
  • For a list of available tools and groups, see toolName.ts.
  • Mixing tool names and group names is allowed.

EXCLUDE_TOOLS​

A comma-separated list of tool or tool group names to exclude from the server. All other tools will be available.

  • Default: Empty string (none are excluded)
  • Cannot be provided with INCLUDE_TOOLS.

MAX_RESULT_LIMIT​

If a tool has a limit parameter and returns an array of items, the maximum length of that array.

  • Default: Empty string (no limit)
  • Must be a positive number.

DISABLE_QUERY_DATASOURCE_FILTER_VALIDATION​

Disable validation of SET and MATCH filter values in the query-datasource tool.

  • Default: false
  • When true, skips the validation that checks if filter values exist in the target field.

DISABLE_METADATA_API_REQUESTS​

Disables graphql requests to the Tableau Metadata API in the get-datasource-metadata tool.

  • Default: false
  • When true, skips requests to the graphql endpoint that provides additional context to field metadata.
  • Set this to true if you are using the get-datasource-metadata tool and the Tableau Metadata API is not enabled on your Tableau Server.