Update cart
Fully replace mutable cart input fields.
update_cart is available on the direct remote MCP resource and through the local companion. Fully replace mutable cart input fields.
Call
| Property | Value |
|---|---|
| Tool name | update_cart |
| Authorization | Orderboost OAuth |
| Behavior | Writes commerce state; Non-destructive; No idempotency key required |
Arguments
| Field | Type | Required |
|---|---|---|
cart |
object | Yes |
id |
string | Yes |
meta |
object | Yes |
Your MCP client reads the full argument schema from live tool discovery. Successful calls return a Orderboost commerce document in structuredContent. Treat its status and revision as authoritative.