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Lightspeed Retail (R-Series) MCP by usefulapi MCP Server

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Lightspeed Retail (R-Series) MCP by usefulapi is answering right now. Last checked 12 min ago. It exposes 17 tools. Last commit 10 Oct 2026.

Read Lightspeed R-Series items, stock, sales, customers and POs; create customers and set stock.

Uptime history 5 days of history
5 days agonow
100.0%
Uptime 24h
91 of 91 checks
17
Tools
read from the server
109 ms
Response time
average over 24h
0
Stars
last commit 10 Oct 2026

What changed 4

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 9 October 2026. No other catalogue keeps this.

9 Oct a tool changed version4 times that day
and 3 more, back to 9 October 2026

Nothing serious here today

Today is the operative word: we check Lightspeed Retail (R-Series) MCP by usefulapi every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

run in your terminal
claude mcp add lightspeed-r-series --transport http https://lightspeed-r-series.usefulapi.io/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "lightspeed-r-series": {
      "url": "https://lightspeed-r-series.usefulapi.io/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.lightspeed-r-series]
url = "https://lightspeed-r-series.usefulapi.io/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "lightspeed-r-series": {
      "url": "https://lightspeed-r-series.usefulapi.io/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "lightspeed-r-series": {
      "url": "https://lightspeed-r-series.usefulapi.io/mcp"
    }
  }
}

Available tools 17

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

customer
create_customer
Create a new customer, optionally with a primary email and one phone number (stored in the customer's Contact). Give at least a first name, last name or company. Returns the new customer with its customerID. POST /Account/{accountID}/Customer.json.
get_customer
One customer by customerID with Contact (emails, phones, addresses), customer type and notes. GET /Account/{accountID}/Customer/{customerID}.json.
item
get_item
One item by itemID with its prices, per-shop stock (ItemShops), category and other related records. GET /Account/{accountID}/Item/{itemID}.json.
update_item
Change fields of an existing item: description, default cost, SKUs, category. Only the fields you pass are changed. Prices and stock are not changed here (use update_stock for quantities). PUT /Account/{accountID}/Item/{itemID}.json.
purchase
get_purchase_order
One purchase order by orderID with its lines (OrderLines: itemID, quantity, numReceived, price), vendor and shop. GET /Account/{accountID}/Order/{orderID}.json.
list_purchase_orders
Purchase orders to vendors: orderID, vendorID, shopID, orderedDate, arrivalDate, receivedDate, complete, totalQuantity, shipCost. GET /Account/{accountID}/Order.json.
account
get_account
The connected Lightspeed Retail (R-Series) account: id, name, status, employee count/limit, default and purchasing currencies. Good first call. GET /Account/{accountID}.json.
categories
list_categories
Item categories (hierarchical): categoryID, name, fullPathName, parentID, nodeDepth. GET /Account/{accountID}/Category.json.
customers
list_customers
Search customers by name, company or email: customerID, firstName, lastName, company, customerTypeID, createTime. Email search loads the Contact relation (emails, phones, addresses). Paginate with next_url. GET /Account/{accountID}/Customer.json.
employees
list_employees
Employees: employeeID, firstName, lastName, lockOut, archived, employeeRoleID, limitToShopID. Use employeeID to filter sales. GET /Account/{accountID}/Employee.json.
inventory
list_inventory
Stock levels per item per shop (ItemShop records): qoh (quantity on hand), sellable, backorder, reorderPoint, reorderLevel, costs and values. shopID 0 is the all-shops summary. Paginate with next_url. GET /Account/{accountID}/ItemShop.json.
items
list_items
Search the product catalog. Each item has itemID, description, SKUs (systemSku, customSku, upc, ean, manufacturerSku), defaultCost, categoryID and its Prices (price levels). Set include_stock to add per-shop quantities (ItemShops; shopID 0 = all shops). Paginate with next_url. GET /Account/{accountID}/Item.json.
sale
get_sale
One sale by saleID with its line items (SaleLines with Item), payments (SalePayments with PaymentType) and customer. GET /Account/{accountID}/Sale/{saleID}.json.
sales
list_sales
Sales history: saleID, completed/voided flags, completeTime, totals (calcSubtotal, calcTax1/2, total, balance), customerID, employeeID, shopID, registerID. Filter by a date range on completeTime (default) or timeStamp, shop, customer, employee. Set include_lines for SaleLines (items sold). Paginate with next_url. GET /Account/{accountID}/Sale.json.
shops
list_shops
List the account's shops (store locations): shopID, name, time zone, archived flag. Use shopID to filter sales, inventory and purchase orders. GET /Account/{accountID}/Shop.json.
stock
update_stock
CHANGES STOCK COUNTS: sets (does not add to) the quantity on hand of one item in one shop to `qoh`, by updating the item's ItemShop record. Use for correcting a few items; for many items use an inventory count in Lightspeed. Identify the shop by shop_id, or by item_shop_id from get_item's ItemShops. Not for shopID 0 (the all-shops summary). PUT /Account/{accountID}/Item/{itemID}.json with ItemShops.
vendors
list_vendors
Suppliers: vendorID, name, accountNumber, archived. GET /Account/{accountID}/Vendor.json.

Endpoints

URLTransportStateLatencyChecked
https://lightspeed-r-series.usefulapi.io/mcp streamable-http answering 88 ms 12 min ago

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Lightspeed Retail (R-Series) MCP by usefulapi — questions

Answers built from our own checks of this server.

What can Lightspeed Retail (R-Series) MCP by usefulapi do?
It exposes 17 tools, read directly from the server on our last check. Among them: create_customer, get_account, get_customer, get_item, get_purchase_order, get_sale and 11 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
What is Lightspeed Retail (R-Series) MCP by usefulapi mostly used for?
Its tools cluster around purchase, customer and item. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.
Is Lightspeed Retail (R-Series) MCP by usefulapi working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 109 ms. The bar chart above shows every period we have measured.
How do I connect Lightspeed Retail (R-Series) MCP by usefulapi?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Lightspeed Retail (R-Series) MCP by usefulapi need an API key?
No. Lightspeed Retail (R-Series) MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 17 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Lightspeed Retail (R-Series) MCP by usefulapi?
It answers our handshake in 109 ms on average, which is faster than 81% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Lightspeed Retail (R-Series) MCP by usefulapi open source?
Yes — it is published under the MIT licence, written in JavaScript, 0 stars on GitHub and 1 open issue. The source link is on this page, so you can read exactly what it does with your data before you connect it.