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index observed

Linnworks MCP by usefulapi

Read Linnworks inventory, stock and orders; set stock levels and add order notes.

Should I use this

Quality & Safety

B
Description quality
100%
Schema completeness
82%
Naming quality
76%
Poisoning risk
60%
Permission match
100%
Protocol compliance
100%

Findings (6)

  • HIGHTool poisoning patterns detected
  • MEDIUMTool description contains suspicious base64-like encoded stringin linnworks_find_orders_by_reference
  • MEDIUMTool description contains suspicious base64-like encoded stringin linnworks_search_processed_orders
  • LOWTool 'linnworks_get_open_orders_details' name length outside 3-30 rangein linnworks_get_open_orders_details
  • LOWTool 'linnworks_find_orders_by_reference' name length outside 3-30 rangein linnworks_find_orders_by_reference
  • LOWTool 'linnworks_search_processed_orders' name length outside 3-30 rangein linnworks_search_processed_orders

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~4,118Tokens (tool definitions)
~1.5 KBTypical response size
Significant attention impact (3.22% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "linnworks": {
      "url": "https://linnworks.usefulapi.io/mcp"
    }
  }
}

Remote endpoints

https://linnworks.usefulapi.io/mcpstreamable-http

What it can do

Tool inventory

Tools (17)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢linnworks_list_stock_locations

List the stock locations (warehouses, fulfilment centres) of the Linnworks account: id, name, address, whether it is a fulfilment centre. Use the ids as location_id in other tools. GET /api/Inventory/GetStockLocations.

Input Schema

{
  "type": "object",
  "properties": {},
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢linnworks_search_inventory(keyword, search_in, include, include_composite_parents, include_variation_parents, ...)

Search the product catalogue by SKU, title or barcode and return the items with their stock levels per location (and optionally pricing, suppliers, images, extended properties). An empty keyword lists items. POST /api/Stock/GetStockItemsFull.

Input Schema

{
  "type": "object",
  "properties": {
    "keyword": {
      "description": "Text to search for (SKU, title or barcode). Empty = list items.",
      "type": "string",
      "maxLength": 200
    },
    "search_in": {
      "description": "Fields to search (default: SKU, Title and Barcode).",
      "maxItems": 3,
      "type": "array",
      "items": {
        "type": "string",
        "enum": [
          "SKU",
          "Title",
          "Barcode"
        ]
      }
    },
    "include": {
      "description": "Extra data to load per item (default: StockLevels).",
      "maxItems": 9,
      "type": "array",
      "items": {
        "type": "string",
        "enum": [
          "StockLevels",
          "Pricing",
          "Supplier",
          "ShippingInformation",
          "ChannelTitle",
          "ChannelDescription",
          "ChannelPrice",
          "ExtendedProperties",
          "Images"
        ]
      }
    },
    "include_composite_parents": {
      "description": "Include composite (bundle) parent items (default true).",
      "type": "boolean"
    },
    "include_variation_parents": {
      "description": "Include variation parent items (default true).",
      "type": "boolean"
    },
    "page": {
      "description": "Page number, from 1 (default 1). Pass the previous reply's next_page.",
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 100000
    },
    "per_page": {
      "description": "Results per page, 1-100 (default 25).",
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 100
    }
  },
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢linnworks_get_inventory_item(stock_item_id)

One product by its stock item id: SKU (ItemNumber), title, barcode, quantities (in stock, in orders, due, available), prices, tax rate, category, dimensions and weight. GET /api/Inventory/GetInventoryItemById.

Input Schema

{
  "type": "object",
  "properties": {
    "stock_item_id": {
      "type": "string",
      "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$",
      "description": "The stock item id (StockItemId) from linnworks_search_inventory."
    }
  },
  "required": [
    "stock_item_id"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢linnworks_get_stock_levels(stock_item_id)

The stock level of one product at every location: in stock, in open orders, due on purchase orders, available, minimum level, unit cost and when it last changed. GET /api/Stock/GetStockLevel.

Input Schema

{
  "type": "object",
  "properties": {
    "stock_item_id": {
      "type": "string",
      "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$",
      "description": "The stock item id (StockItemId) from linnworks_search_inventory."
    }
  },
  "required": [
    "stock_item_id"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢linnworks_get_stock_history(stock_item_id, location_id, page, per_page)

The stock-level change history of one product (date, new level, change quantity, value, note), newest data first as Linnworks returns it; optionally for a single location, otherwise combined. GET /api/Stock/GetItemChangesHistory.

Input Schema

{
  "type": "object",
  "properties": {
    "stock_item_id": {
      "type": "string",
      "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$",
      "description": "The stock item id (StockItemId)."
    },
    "location_id": {
      "description": "Limit to one stock location (default: all locations combined).",
      "type": "string",
      "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"
    },
    "page": {
      "description": "Page number, from 1 (default 1). Pass the previous reply's next_page.",
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 100000
    },
    "per_page": {
      "description": "Results per page, 1-100 (default 25).",
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 100
    }
  },
  "required": [
    "stock_item_id"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢linnworks_list_categories

List the product categories (id and name). GET /api/Inventory/GetCategories.

Input Schema

{
  "type": "object",
  "properties": {},
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢linnworks_list_suppliers

List the suppliers: id, name, contact, address, email, web page and currency. GET /api/Inventory/GetSuppliers.

Input Schema

{
  "type": "object",
  "properties": {},
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢linnworks_list_open_orders(location_id, text_filters, received_from, received_to, page, ...)

Page through the open (not yet processed) orders of a fulfilment location, with general info (status, reference, source, received date), shipping, customer, totals and items. Narrow with text filters (reference, customer, SKU ...) and a received-date range. POST /api/Orders/GetOpenOrders.

Input Schema

{
  "type": "object",
  "properties": {
    "location_id": {
      "description": "Fulfilment location id from linnworks_list_stock_locations (default: the account's default location).",
      "type": "string",
      "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"
    },
    "text_filters": {
      "description": "All filters must match.",
      "maxItems": 10,
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "field": {
            "type": "string",
            "enum": [
              "GENERAL_INFO_ORDER_ID",
              "GENERAL_INFO_REFERENCE_NUMBER",
              "GENERAL_INFO_EXTERNAL_REFERENCE_NUMBER",
              "SHIPPING_INFORMATION_TRACKING_NUMBER",
              "CUSTOMER_ADDRESS_FULL_NAME",
              "CUSTOMER_ADDRESS_COMPANY",
              "CUSTOMER_ADDRESS_POSTCODE",
              "CUSTOMER_ADDRESS_TOWN",
              "CUSTOMER_EMAIL",
              "ITEMS_SKU",
              "ITEMS_TITLE"
            ],
            "description": "Order field to match."
          },
          "match": {
            "description": "How to match (default Contains).",
            "type": "string",
            "enum": [
              "Equal",
              "Contains",
              "StartWith",
              "EndsWith"
            ]
          },
          "text": {
            "type": "string",
            "minLength": 1,
            "maxLength": 200,
            "description": "Text to match."
          }
        },
        "required": [
          "field",
          "text"
        ]
      }
    },
    "received_from": {
      "description": "Only orders received on or after this date.",
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}(T\\d{2}:\\d{2}(:\\d{2}(\\.\\d{1,3})?)?(Z|[+-]\\d{2}:\\d{2}))?$"
    },
    "received_to": {
      "description": "Only orders received on or before this date.",
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}(T\\d{2}:\\d{2}(:\\d{2}(\\.\\d{1,3})?)?(Z|[+-]\\d{2}:\\d{2}))?$"
    },
    "page": {
      "description": "Page number, from 1 (default 1). Pass the previous reply's next_page.",
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 100000
    },
    "per_page": {
      "description": "Results per page, 1-100 (default 25).",
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 100
    }
  },
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢linnworks_get_open_orders_details(order_ids, include)

Full details of open orders by their ids (up to 50): general info, shipping, customer, totals, items, folders, notes, identifiers, extended properties and bin racks. Pass include to load only some of the optional parts. Only works for open orders. POST /api/OpenOrders/GetOpenOrdersDetails.

Input Schema

{
  "type": "object",
  "properties": {
    "order_ids": {
      "minItems": 1,
      "maxItems": 50,
      "type": "array",
      "items": {
        "type": "string",
        "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$",
        "description": "A Linnworks id (GUID)."
      },
      "description": "Order ids (OrderId, a GUID) from linnworks_list_open_orders."
    },
    "include": {
      "description": "Limit the optional parts loaded (default: all of them).",
      "maxItems": 5,
      "type": "array",
      "items": {
        "type": "string",
        "enum": [
          "FOLDER",
          "NOTES",
          "IDENTIFIERS",
          "EXTENDEDPROPERTIES",
          "BINRACKS"
        ]
      }
    }
  },
  "required": [
    "order_ids"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢linnworks_get_order(order_id)

One order, open or processed, by its order id (a GUID): general info, shipping, customer, totals, items, notes. GET /api/Orders/GetOrderById.

Input Schema

{
  "type": "object",
  "properties": {
    "order_id": {
      "type": "string",
      "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$",
      "description": "The order id (OrderId / pkOrderId)."
    }
  },
  "required": [
    "order_id"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢linnworks_find_order_by_number(order_number)

Find one order, open or processed, by its Linnworks order number (the integer shown in the order book). Returns an empty order when none matches. GET /api/Orders/GetOrderDetailsByNumOrderId.

Input Schema

{
  "type": "object",
  "properties": {
    "order_number": {
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 2147483647,
      "description": "The numeric Linnworks order number (NumOrderId)."
    }
  },
  "required": [
    "order_number"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢linnworks_find_orders_by_reference(reference)

Find orders by their channel reference number (for example an Amazon or eBay order number) or secondary reference. Returns at most 50 orders. GET /api/Orders/GetOrderDetailsByReferenceId.

Input Schema

{
  "type": "object",
  "properties": {
    "reference": {
      "type": "string",
      "minLength": 1,
      "maxLength": 200,
      "description": "The reference number or secondary reference to look for."
    }
  },
  "required": [
    "reference"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢linnworks_search_processed_orders(search_field, search_term, exact_match, date_type, date_from, ...)

Search processed (despatched) orders. Search by order number, tracking number, channel reference, customer name, email, postcode, address, SKU, source or sub-source, optionally within a date range (at most 3 months; a non-exact search covers only the last 3 months). POST /api/ProcessedOrders/SearchProcessedOrdersPaged.

Input Schema

{
  "type": "object",
  "properties": {
    "search_field": {
      "type": "string",
      "enum": [
        "nOrderId",
        "o.PostalTrackingNumber",
        "ReferenceNum",
        "CustomerName",
        "o.cEmailAddress",
        "o.cPostCode",
        "ShippingAddress",
        "SKU",
        "Source",
        "SubSource"
      ],
      "description": "What to search by: nOrderId (order number), o.PostalTrackingNumber, ReferenceNum, CustomerName, o.cEmailAddress, o.cPostCode, ShippingAddress, SKU (SKU or barcode), Source, SubSource."
    },
    "search_term": {
      "type": "string",
      "minLength": 1,
      "maxLength": 200,
      "description": "The text to search for."
    },
    "exact_match": {
      "description": "Exact match (default false: partial match over the last 3 months).",
      "type": "boolean"
    },
    "date_type": {
      "description": "Which date the range applies to (default ALLDATES = no range).",
      "type": "string",
      "enum": [
        "ALLDATES",
        "RECEIVED",
        "PROCESSED",
        "PAYMENTRECEIVED",
        "CANCELLED"
      ]
    },
    "date_from": {
      "description": "Start of the range (needs date_type other than ALLDATES).",
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}(T\\d{2}:\\d{2}(:\\d{2}(\\.\\d{1,3})?)?(Z|[+-]\\d{2}:\\d{2}))?$"
    },
    "date_to": {
      "description": "End of the range.",
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}(T\\d{2}:\\d{2}(:\\d{2}(\\.\\d{1,3})?)?(Z|[+-]\\d{2}:\\d{2}))?$"
    },
    "page": {
      "description": "Page number, from 1 (default 1). Pass the previous reply's next_page.",
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 100000
    },
    "per_page": {
      "description": "Results per page, 1-200 (default 25).",
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 200
    }
  },
  "required": [
    "search_field",
    "search_term"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢linnworks_get_order_notes(order_id)

The notes on an order (text, internal or external, who wrote them and when). GET /api/Orders/GetOrderNotes.

Input Schema

{
  "type": "object",
  "properties": {
    "order_id": {
      "type": "string",
      "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$",
      "description": "The order id (OrderId / pkOrderId)."
    }
  },
  "required": [
    "order_id"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢linnworks_list_postal_services

List the postal (shipping) services with their courier vendor, tracking and weight requirements and linked channels. GET /api/PostalServices/GetPostalServices.

Input Schema

{
  "type": "object",
  "properties": {},
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🔴linnworks_set_stock_level(sku, location_id, level)

WRITE: set the stock level of one product (by SKU) at one location to an absolute quantity. This overwrites the current level and flows to the sales channels the item is listed on. Check the current level with linnworks_get_stock_levels first. POST /api/Stock/SetStockLevel.

Input Schema

{
  "type": "object",
  "properties": {
    "sku": {
      "type": "string",
      "minLength": 1,
      "maxLength": 150,
      "description": "The product SKU (ItemNumber)."
    },
    "location_id": {
      "type": "string",
      "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$",
      "description": "The stock location id from linnworks_list_stock_locations."
    },
    "level": {
      "type": "integer",
      "minimum": 0,
      "maximum": 10000000,
      "description": "The new stock level (units, 0 or more)."
    }
  },
  "required": [
    "sku",
    "location_id",
    "level"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🔴linnworks_add_order_note(order_id, note, internal)

WRITE: add a note to an order (open or processed). Internal notes are visible only inside Linnworks; external notes may be passed to the sales channel. Adds a new note each call (not idempotent). POST /api/Orders/AddOrdersNote.

Input Schema

{
  "type": "object",
  "properties": {
    "order_id": {
      "type": "string",
      "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$",
      "description": "The order id (OrderId / pkOrderId)."
    },
    "note": {
      "type": "string",
      "minLength": 1,
      "maxLength": 2000,
      "description": "The note text."
    },
    "internal": {
      "description": "Internal note (default true).",
      "type": "boolean"
    }
  },
  "required": [
    "order_id",
    "note"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}

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