Is the Droplinked MCP server down?

• Renamed "cart.addLine" → "cart_addLine" (letters, digits, _ and - only; max 64). Keep the old name as an alias for a release if clients already call it. (verify)

{
  "name": "cart_addLine",
  "description": "Add a product variant (skuId) and quantity to an existing droplinked cart. Use this to build a multi-item cart incrementally before checking out. Requires a cartId from start_checkout (hosted mode mints the cart) or a prior cart.addLine call. Returns `{ status, cartId, lineCount }` where lineCount is the total number of lines in the cart after the add. On failure surfaces a structured reason enum (CART_NOT_FOUND / SKU_NOT_FOUND / INVENTORY_INSUFFICIENT / BACKEND_BAD_REQUEST / BACKEND_UNAVAILABLE",
  "inputSchema": {
    "type": "object",
    "$schema": "http://json-schema.org/draft-07/schema#",
    "required": [
      "cartId",
      "skuId",
      "quantity"
    ],
    "properties": {
      "skuId": {
        "type": "string",
        "minLength": 8
      },
      "cartId": {
        "type": "string",
        "minLength": 1
      },
      "quantity": {
        "type": "integer",
        "maximum": 9999,
        "exclusiveMinimum": 0
      },
      "referrer": {
        "type": "string",
        "minLength": 1
      }
    }
  },
  "annotations": {
    "title": "Add to Cart",
    "readOnlyHint": false,
    "openWorldHint": false,
    "idempotentHint": false,
    "destructiveHint": false
  }
}

• Renamed "cart.applyDiscount" → "cart_applyDiscount" (letters, digits, _ and - only; max 64). Keep the old name as an alias for a release if clients already call it. (verify)

{
  "name": "cart_applyDiscount",
  "description": "Apply a discount or coupon code to a droplinked cart. Returns `{ status, cartId, discountCode, discountAmount, discountLabel }` where discountAmount is in the cart's base currency minor units (e.g. cents). Call this after cart.addLine and before start_checkout / process_payment. Surfaces structured error reasons (CART_NOT_FOUND / INVALID_DISCOUNT_CODE / DISCOUNT_EXPIRED / DISCOUNT_NOT_APPLICABLE / BACKEND_BAD_REQUEST / BACKEND_UNAVAILABLE) so the orchestrating agent can retry with a different co",
  "inputSchema": {
    "type": "object",
    "$schema": "http://json-schema.org/draft-07/schema#",
    "required": [
      "cartId",
      "discountCode"
    ],
    "properties": {
      "cartId": {
        "type": "string",
        "minLength": 1
      },
      "discountCode": {
        "type": "string",
        "maxLength": 64,
        "minLength": 1
      }
    }
  },
  "annotations": {
    "title": "Apply Cart Discount",
    "readOnlyHint": false,
    "openWorldHint": false,
    "idempotentHint": true,
    "destructiveHint": false
  }
}

• Renamed "cart.removeLine" → "cart_removeLine" (letters, digits, _ and - only; max 64). Keep the old name as an alias for a release if clients already call it. (verify)

{
  "name": "cart_removeLine",
  "description": "Remove a product line from a droplinked cart by skuId. The line identified by skuId is deleted from the cart. Returns `{ status, cartId, skuId, remainingLineCount }`. To change quantity (not remove entirely) use cart.updateLineQuantity instead. Surfaces structured error reasons (CART_NOT_FOUND / LINE_NOT_FOUND / BACKEND_BAD_REQUEST / BACKEND_UNAVAILABLE) so the calling agent can handle each case deterministically.\n\nAUTH: not on the public read tier — calling this without a valid X-MCP-API-Key re",
  "inputSchema": {
    "type": "object",
    "$schema": "http://json-schema.org/draft-07/schema#",
    "required": [
      "cartId",
      "skuId"
    ],
    "properties": {
      "skuId": {
        "type": "string",
        "minLength": 8
      },
      "cartId": {
        "type": "string",
        "minLength": 1
      }
    }
  },
  "annotations": {
    "title": "Remove Cart Line",
    "readOnlyHint": false,
    "openWorldHint": false,
    "idempotentHint": true,
    "destructiveHint": false
  }
}