CustomCat MCP by usefulapi
Browse the CustomCat catalog, your products and designs; check shipping; create and cancel orders.
Connect it
Settings → Connectors → Add custom connector
URL: https://customcat.usefulapi.io/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://customcat.usefulapi.io/mcp{
"mcpServers": {
"customcat": {
"url": "https://customcat.usefulapi.io/mcp"
}
}
}claude mcp add --transport http customcat https://customcat.usefulapi.io/mcp{
"servers": {
"customcat": {
"type": "http",
"url": "https://customcat.usefulapi.io/mcp"
}
}
}12 tools, pulled live
customcat_list_productsread-onlyList the products you set up in CustomCat (a design on one or more catalog items) with variants, SKUs, cost, price, stock flag and design images. Use the variant SKUs when placing an order for these products. GET /product.
customcat_get_productread-onlyOne of your CustomCat products by id (e.g. 22-2580581): variants, SKUs, cost, price, options, designs. GET /product/{product_id}.
customcat_list_designsread-onlyList the designs uploaded to your CustomCat account: id, name, tags, image URLs, default product and last-updated time. GET /design.
customcat_list_catalog_categoriesread-onlyThe CustomCat catalog categories (Digisoft, Sublimation) and their subcategories (e.g. T-Shirts, Sweatshirts, Bags), to narrow customcat_list_catalog. GET /catalogcategory.
customcat_list_catalogread-onlyBrowse the full CustomCat catalog of printable blank products (the items you can order with your own artwork). Filter by category and subcategory from customcat_list_catalog_categories. The reply carries the total in `total`. GET /catalog.
customcat_get_catalog_productread-onlyOne catalog product by numeric id with its colors, sizes and SKUs. GET /catalog/{catalog_product_id}.
customcat_get_catalog_skuread-onlyOne catalog SKU with its price and stock status. Use it before ordering: a SKU that is out of stock, discontinued or invalid makes the order fail. GET /catalog/sku/{catalog_sku_id}.
customcat_list_shipping_methodsread-onlyThe shipping methods CustomCat offers for a destination country (ids and names). The method name is required when placing an order. GET /shipping.
customcat_get_shipping_costread-onlyCalculate the shipping cost of one shipping method for a destination and a list of catalog SKUs with quantities. Read-only quote: it places nothing. POST /shipping/{shipping_id} (shipping_id from customcat_list_shipping_methods).
customcat_get_order_statusread-onlyStatus of an order by YOUR order id: order status (Pending, Verified, Shipped), per-item production status, shipments with tracking ids, totals and the ship-to address. Set sandbox=true to look up a sandbox test order. GET /order/status/{order_id}.
customcat_create_ordercan modifyWRITE: place an order for CustomCat to print and ship. This CHARGES the payment method on file in your CustomCat account (product cost + shipping; a front+back print adds $5 per line item) unless sandbox=true, which only validates the order. A real order (sandbox=false) also needs confirm=true, set only after the user confirmed it. The order id is yours and must be new (a duplicate is rejected). N
customcat_cancel_ordercan modifyWRITE: cancel (delete) an order by YOUR order id. CustomCat can only cancel an order that has not gone into production; one already printed or shipped is refused. Needs the Write API key. Confirm with the user first. DELETE /order/{order_id}.
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