UCP Checker

remove_cart_item

Remove a line item (and its children) from a cart by item id. Returns the updated cart state.

Schema

Input Schema

{
    "type": "object",
    "required": [
        "cartId",
        "itemId"
    ],
    "properties": {
        "cartId": {
            "type": "string",
            "description": "the base62 cart id"
        },
        "itemId": {
            "type": "integer",
            "description": "the line item id to remove (numeric, e.g. 1, 2, 3)"
        }
    }
}
Verified Stores
1
Member Stores

Stores exposing the remove_cart_item tool

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Weekly UCP Report
Issue #51 · Sep 21, 2026
+664
new verified stores
Verified rate
Latest spec
Cart capability