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PopNx MCPMCP servers for people who use AI · explained in plain words

Lightspeed Retail (R-Series) MCP by usefulapi

by m190version 1.35.0i★ 1 (Stars for the whole repo)iRuns in the cloud
Registry nameio.usefulapi/lightspeed-r-series

How to install

What it does

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

  • Connects Runs in the cloud
  • Account or key No key needed
  • Category Online shops & payments

Install

Pick the AI app you use, then copy the settings.

Passed 4/4 checks · What you ask goes through the maker’s server (lightspeed-r-series.usefulapi.io) · ✓ Commands checked Nov 13, 2026

First: which AI do you use?

Pick your app and the steps appear below.

Works with Claude · about 2 min

No key, nothing to install · Set it up once on claude.ai or the desktop app, then use it in chat · free accounts can add 1 · on Team/Enterprise an Owner adds it

  1. Open Claude’s Connectors page

    CustomizeConnectors

    CustomizeConnectors1Add2https://…3Add4
  2. Click “Add” → “Custom” → “Web” and fill in these 2 fields

    Copy each value into the field with the same name in Claude, then click Continue

    Name · NameLightspeed Retail (R-Series) MCP by usefulapi
    Remote MCP server URL · Addresshttps://lightspeed-r-series.usefulapi.io/mcp

    Click Continue past the sign-in settings Claude detected · under Authentication choose what the maker says (Sign in now, Sign in when needed or No sign in), then click Add

  3. Turn it on in a chat

    +ConnectorsLightspeed Retail (R-Series) MCP by usefulapi

  4. Try it

    Use Lightspeed Retail (R-Series) MCP by usefulapi and tell me what you can do for me, then show me one thing

    ✓ If Claude says it is using Lightspeed Retail (R-Series) MCP by usefulapi or shows a Lightspeed Retail (R-Series) MCP by usefulapi tool in the answer, you are connected

Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with ChatGPT, depending on your plan

Full MCP: ChatGPT Business, Enterprise or Edu on the web · Pro: connects with read/fetch permissions, so tools that change data may not work · Plus: not confirmed in OpenAI’s docs; if you see an add-custom-MCP option on the Plugins page you can try these steps · web only

  1. Open ChatGPT’s add-MCP page on the web

    Plugins+Add custom MCP server

    ChatGPTPlugins1+2https://…3Create4
  2. Fill in the name and address

    Enter a name, paste the address under Connection, tick the risk warning and click Create as a plugin

    Name · NameLightspeed Retail (R-Series) MCP by usefulapi
    Connection · Addresshttps://lightspeed-r-series.usefulapi.io/mcp
  3. Pick Lightspeed Retail (R-Series) MCP by usefulapi in a chat

    Start a new chat and pick Lightspeed Retail (R-Series) MCP by usefulapi from your plugins before typing

  4. Try it

    Use Lightspeed Retail (R-Series) MCP by usefulapi and tell me what you can do for me, then show me one thing

    ✓ If ChatGPT says it is using Lightspeed Retail (R-Series) MCP by usefulapi or shows a Lightspeed Retail (R-Series) MCP by usefulapi tool in the answer, you are connected

Menu names checked against OpenAI’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with Claude Code · about 2 min

No key, nothing to install

  1. Open Terminal

    Mac: press Command+Space and type Terminal · Windows: open PowerShell

  2. Paste this command and press Enter

    claude mcp add --transport http --scope user lightspeed-r-series https://lightspeed-r-series.usefulapi.io/mcp
  3. Type /mcp in Claude Code

    You should see Lightspeed Retail (R-Series) MCP by usefulapi listed as connected

  4. Try it

    Use Lightspeed Retail (R-Series) MCP by usefulapi and tell me what you can do for me, then show me one thing

    ✓ If Claude Code says it is using Lightspeed Retail (R-Series) MCP by usefulapi or shows a Lightspeed Retail (R-Series) MCP by usefulapi tool in the answer, you are connected

Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with Cursor · about 2 min

No key, nothing to install

  1. Click this button to open Cursor

    Open in Cursor

    Cursor asks you to confirm; click Install

  2. Open the AI chat in Cursor in Agent mode

  3. Try it

    Use Lightspeed Retail (R-Series) MCP by usefulapi and tell me what you can do for me, then show me one thing

    ✓ If Cursor says it is using Lightspeed Retail (R-Series) MCP by usefulapi or shows a Lightspeed Retail (R-Series) MCP by usefulapi tool in the answer, you are connected

Menu names checked against Cursor’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with VS Code · about 2 min

No key, nothing to install

  1. Click this button to open VS Code

    Open in VS Code

    VS Code asks you to confirm; click Install

  2. Open the AI chat in VS Code in Agent mode

  3. Try it

    Use Lightspeed Retail (R-Series) MCP by usefulapi and tell me what you can do for me, then show me one thing

    ✓ If VS Code says it is using Lightspeed Retail (R-Series) MCP by usefulapi or shows a Lightspeed Retail (R-Series) MCP by usefulapi tool in the answer, you are connected

Menu names checked against VS Code’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Other apps that use MCP, such as Windsurf, Zed or Gemini CLI, each add servers differently. See how in the app list.

See every app that uses MCP →

Address for apps that connect over the web

Addresshttps://lightspeed-r-series.usefulapi.io/mcp

JSON settings are under “For developers” below

Stuck? Ask people who use Lightspeed Retail (R-Series) MCP by usefulapi💬 Discussion →
For developers: Terminal commands and JSON settings

Over the web

Claude Code

claude mcp add --transport http --scope user lightspeed-r-series https://lightspeed-r-series.usefulapi.io/mcp

Cursor (~/.cursor/mcp.json)

{
  "mcpServers": {
    "lightspeed-r-series": {
      "url": "https://lightspeed-r-series.usefulapi.io/mcp"
    }
  }
}

VS Code (mcp.json)

{
  "servers": {
    "lightspeed-r-series": {
      "type": "http",
      "url": "https://lightspeed-r-series.usefulapi.io/mcp"
    }
  }
}

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

At a glance

GitHub starsi
1 (Stars for the whole repo)
This repo holds several MCP listings; its stars count once in rankings
Downloads per weeki
Not on npm/PyPI
Verified domain
✓ usefulapi.io
Connection
Runs in the cloud
Transport
streamable-http
Latest versioni
1.35.0
Published to registryi
Nov 12, 2026
Code last changedi
Nov 12, 2026
Maker
m190
Registry status
Active

Which apps can use it

Based on how this server connects and on each app’s own docs, checked Nov 10, 2026.

Connect over the internet in

ClaudeChatGPTGooseLM StudioMsty StudioCherry StudioCursorVS Code + GitHub CopilotVisual StudioWindsurf (Devin Desktop)ZedKiroClineContinueJetBrains AI AssistantClaude CodeCodex CLIGemini CLIOpenCodenodecodeWarpLibreChatOpen WebUIRaycast

All apps, with pros and cons →

Related guides

What it can do

Tool names and descriptions exactly as the server reported them on Nov 13, 2026. The maker wrote them, not us; we show them as plain text.

  • lightspeedrseries_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.

  • lightspeedrseries_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.

  • lightspeedrseries_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. GE

  • lightspeedrseries_get_item

    One item by itemID with its prices, per-shop stock (ItemShops), category and other related records. GET /Account/{accountID}/Item/{itemID}.json.

  • lightspeedrseries_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.

  • lightspeedrseries_list_inventory_log

    Inventory change history (InventoryLog, read-only): one record per stock change with itemID, shopID, qohChange (+ received, - removed), costChange (the item's new unit cost after the change), reason (e.g. ManualQuantityAdjustment, ItemImport, AddInventoryForCount, RemoveForTransa

  • lightspeedrseries_list_categories

    Item categories (hierarchical): categoryID, name, fullPathName, parentID, nodeDepth. GET /Account/{accountID}/Category.json.

  • lightspeedrseries_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 (it

  • lightspeedrseries_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.

  • lightspeedrseries_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.

  • lightspeedrseries_get_customer

    One customer by customerID with Contact (emails, phones, addresses), customer type and notes. GET /Account/{accountID}/Customer/{customerID}.json.

  • lightspeedrseries_list_vendors

    Suppliers: vendorID, name, accountNumber, archived. GET /Account/{accountID}/Vendor.json.

  • lightspeedrseries_list_purchase_orders

    Purchase orders to vendors: orderID, vendorID, shopID, orderedDate, arrivalDate, receivedDate, complete, totalQuantity, shipCost. GET /Account/{accountID}/Order.json.

  • lightspeedrseries_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.

  • lightspeedrseries_list_employees

    Employees: employeeID, firstName, lastName, lockOut, archived, employeeRoleID, limitToShopID. Use employeeID to filter sales. GET /Account/{accountID}/Employee.json.

  • lightspeedrseries_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.

  • lightspeedrseries_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 lightspeedrseries_update_stock for quantities). PUT /Account/{accountID}/Item/{itemID}.json.

  • lightspeedrseries_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 l

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 13, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified against the domain usefulapi.io (the registry checks domain ownership)

  • ✓ Pass

    Still maintained

    Code last changed yesterday

  • – Not applicable

    Has a licence

    Not applicable: a cloud server run by the owner of usefulapi.io; you don't run code from the repo

  • ✓ Pass

    Endpoint responds

    Responded in 159 ms (HTTP 200)

  • – Not applicable

    Sign-in with OAuth

    No sign-in needed

  • ✓ Pass

    No hidden instructions in tool descriptions

    Read 18 tool descriptions and found no hidden instructions to the AI

Discussion

Ask, share a tip or report that it does not work. Sorted by what people marked helpful.

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User reviews

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Compared with others in Online shops & paymentsi

  • More stars than 0% of the other 2768 servers in this category
  • Published to the registry more recently than 91% of the other 2768 servers in this category
  • Basic checks equal to or better than 100% of the other 2768 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Lightspeed Retail (R-Series) MCP by usefulapi safe?

It passed 4 of 4 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.

Is it still maintained?

The GitHub repo last changed yesterday, and the latest version (1.35.0) reached the registry yesterday.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT on the web (full MCP on Business and above; Pro read-only).

What can I use instead?

In the same category: Spree Commerce developer docs for AI agents, Stripe MCP, Sessy — Amazon SES observability

Others in the same category

Servers in the same category from other makers, sorted by stars.

Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

Stripe MCP

Stripe’s official server lets AI view and manage customers, products, payments and invoices. Connect to Stripe’s cloud and sign in with OAuth.

by stripeWidely used★ 2.1KUpdated 13 months ago

Runs in the cloud✓ service owner · stripe.com

README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

Lightspeed Retail (R-Series) MCP by usefulapi

Work with your Lightspeed Retail (R-Series) store from Claude, Cursor, or any MCP client — look up items, stock per shop, sales, customers, vendors, purchase orders and employees; create customers, edit items and set stock levels. Hosted, no local install: connect with your Lightspeed Retail account over OAuth.

Live endpoint: https://lightspeed-r-series.usefulapi.io/mcp · Homepage: https://usefulapi.io/lightspeed-r-series

Connect

  • Claude (claude.ai, Desktop): open Customize → Connectors, click + Add → Add custom connector, and paste https://lightspeed-r-series.usefulapi.io/mcp.
  • Claude Code: claude mcp add --transport http lightspeed-r-series https://lightspeed-r-series.usefulapi.io/mcp, then run /mcp to log in.
  • VS Code: Add to VS Code.
  • Cursor and other clients: add the URL as a remote MCP server:
{

"mcpServers": { "lightspeed-r-series": { "url": "https://lightspeed-r-series.usefulapi.io/mcp" } } }

Add only the URL. Do not add an Authorization header or an API key to the client config: the server signs you in with OAuth, and you sign in with your Lightspeed Retail (R-Series) account.

Step-by-step setup, where to find your credentials, and FAQ: https://usefulapi.io/lightspeed-r-series/

On first connect you'll be sent to Lightspeed to sign in and approve access; no API keys to paste. The server can do only what the Lightspeed employee who signs in is allowed to do, and you can revoke access any time from your Lightspeed Retail account settings. One subscription covers one store account.

Tools

ToolTypeWhat it does
lightspeedrseries_get_accountreadGet account
lightspeedrseries_list_shopsreadList shops
lightspeedrseries_list_itemsreadList items
lightspeedrseries_get_itemreadGet an item
lightspeedrseries_list_inventoryreadList inventory levels
lightspeedrseries_list_inventory_logreadList inventory history
lightspeedrseries_list_categoriesreadList categories
lightspeedrseries_list_salesreadList sales
lightspeedrseries_get_salereadGet a sale
lightspeedrseries_list_customersreadList customers
lightspeedrseries_get_customerreadGet a customer
lightspeedrseries_list_vendorsreadList vendors
lightspeedrseries_list_purchase_ordersreadList purchase orders
lightspeedrseries_get_purchase_orderreadGet a purchase order
lightspeedrseries_list_employeesreadList employees
lightspeedrseries_create_customerwriteCreate a customer
lightspeedrseries_update_itemwriteUpdate an item
lightspeedrseries_update_stockwriteSet stock level
lightspeedrseries_usage_statusmetaUsage status (free-tier meter)
lightspeedrseries_request_featuremetaRequest a missing feature
lightspeedrseries_upgrademetaUpgrade to Pro or Pro+
lightspeedrseries_cancel_subscriptionmetaCancel the Pro subscription

read tools are read-only; write tools mutate data (clients should confirm them); meta tools report usage, manage your subscription or send a feature request.

Pricing

PlanPriceLimit
Free$050 tool calls / month
Pro (per store account)$9/mo or $90/yr (2 months free)Unlimited*

\*Pro has a fair use limit of 10,000 tool calls a month on this server. For more, write to support@usefulapi.io.

Pro covers this server only. Subscribe with lightspeedrseries_upgrade (it returns a Stripe Checkout link). Cancel any time with lightspeedrseries_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running lightspeedrseries_upgrade before then undoes the cancel. Or write to support@usefulapi.io.

License

MIT — see LICENSE. This repo contains documentation only; the server is hosted.