Home / Servers / Square API / retrieve_merchant_custom_attribute
RetrieveMerchantCustomAttribute
An MCP tool from the Square API server, hosted on mcp.hjlabs.in.
RetrieveMerchantCustomAttribute Retrieves a custom attribute associated with a merchant. You can use the with_definition query parameter to also retrieve the custom attribute definition in the same call. To retrieve a custom… [GET /v2/merchants/{merchant_id}/custom-attributes/{key}]
Name on the gateway: square_api__retrieve_merchant_custom_attribute · read-only.
Parameters
| Name | Type | Description |
|---|---|---|
merchant_id required | string | The ID of the target merchant. |
key required | string | The key of the custom attribute to retrieve. This key must… |
with_definition | boolean | Indicates whether to return the custom attribute definition in the definition… |
version | integer | The current version of the custom attribute, which is used for strongly… |
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__retrieve_merchant_custom_attribute",
"arguments": {
"merchant_id": "…",
"key": "…"
}
}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 retrievemerchantcustomattribute tool with merchant_id set to ….