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ListMerchantCustomAttributes
An MCP tool from the Square API server, hosted on mcp.hjlabs.in.
ListMerchantCustomAttributes Lists the custom attributes associated with a merchant. You can use the with_definitions query parameter to also retrieve custom attribute definitions in the same call. When all response pages are… [GET /v2/merchants/{merchant_id}/custom-attributes]
Name on the gateway: square_api__list_merchant_custom_attributes · read-only.
Parameters
| Name | Type | Description |
|---|---|---|
merchant_id required | string | The ID of the target merchant. |
visibility_filter | ALL | READ | READ_WRITE | Filters the CustomAttributeDefinition results by their visibility values. |
limit | integer | The maximum number of results to return in a single paged response. This limit… |
cursor | string | The cursor returned in the paged response from the previous call to this… |
with_definitions | boolean | Indicates whether to return the custom attribute definition in the definition… |
How to call it
Through the Smart Gateway, any client can run it by name with call_tool, or let the gateway find it with search_tools:
{
"name": "square_api__list_merchant_custom_attributes",
"arguments": {
"merchant_id": "…"
}
}Or connect the Square API server directly, which lists 308 tools including this one:
claude mcp add --transport http hj-square-api https://mcp.hjlabs.in/mcp/square-api \
--header "Authorization: Bearer YOUR_API_KEY"Try asking
Use the listmerchantcustomattributes tool with merchant_id set to ….