Read Smaregi stores, products, customers, stock and transactions; manage customers, products, stock. Hosted by usefulapi — connect from Claude, ChatGPT, Cursor, or any MCP client.
Team and Enterprise: an Owner adds the connector for the organization first.
Run this command, then run /mcp in Claude Code to log in:
Add to Cursor or add this to ~/.cursor/mcp.json:
{
"mcpServers": {
"smaregi": {
"url": "https://smaregi.usefulapi.io/mcp"
}
}
}Add to VS Code or add this to .vscode/mcp.json:
{
"servers": {
"smaregi": {
"type": "http",
"url": "https://smaregi.usefulapi.io/mcp"
}
}
}No Add custom MCP server option? It depends on your account or workspace settings: see OpenAI's guide.
Run these commands. The second one opens the login page:
Other MCP clients (Windsurf, Cline, Zed and more): add the URL as a remote MCP server (Streamable HTTP). The client then opens the login page in your browser. Do not add an Authorization header: see Before you connect.
The login page asks for your Contract ID, Client ID, Client secret and Environment.
As the contract administrator (Premium plan or above), open Smaregi My Page → Settings → Platform API settings, switch the Platform API on for your own contract and tick the scopes you want to allow (read access to stores, products, customers, transactions, stock and staff; write access to products, customers and stock if you want changes). Copy the client ID and client secret and your contract ID. The credentials are used only to get access tokens and call the Smaregi API on your behalf; they are never shown to anyone. Customers and transactions contain your shoppers' personal data.
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: the login page asks for your Contract ID, Client ID, Client secret and Environment. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.
Turn on the Smaregi connector, then ask in plain words. The AI picks the tools.
| Tool | Type | What it does |
|---|---|---|
smaregi_list_stores | read | List stores List the stores (shops) of the Smaregi contract: id, code, name, address, phone. Use the ids to filter stock and transactions. GET /stores. |
smaregi_get_store | read | Get store One store by id. GET /stores/{store_id}. |
smaregi_list_staffs | read | List staff List staff members: id, code, name, role, e-mail. Passwords are never returned. GET /staffs. |
smaregi_get_staff | read | Get staff member One staff member by id. GET /staffs/{staff_id}. |
smaregi_list_categories | read | List categories List product categories (departments): id, code, name, parent, level. Use the ids when creating or filtering products. GET /categories. |
smaregi_get_category | read | Get category One product category by id. GET /categories/{category_id}. |
smaregi_list_products | read | List products List products with id, category, code, name, price, cost and update time. Filter by category, code, group code, display flag or update time (a 31-day maximum range). GET /products. |
smaregi_get_product | read | Get product One product by id, optionally with store prices, bundled items, store assignments, reserved stock, attribute items and order settings. GET /products/{product_id}. |
smaregi_list_customers | read | List customers List customers (members): id, code, number, name, phone, e-mail, address. Smaregi cannot search by name, phone or e-mail: filter by customer code, member number, id range or update time, or page through. Contains shoppers' personal data. GET /customers. |
smaregi_get_customer | read | Get customer One customer by id, optionally with the contract's custom fields. Contains personal data. GET /customers/{customer_id}. |
smaregi_list_stock | read | List stock levels List stock levels per store and product (stockAmount, reserved amount). Filter by store or product. Smaregi only lists a product once its quantity has changed at least once. An update-time filter needs both bounds (31 days at most). GET /stock. |
smaregi_list_stock_changes | read | List stock history The stock change history of one product in one store: date, amount, division (sale, purchase, transfer, adjustment...). GET /stock/changes/{product_id}/{store_id}. |
smaregi_list_transactions | read | List transactions List sales transactions (receipts) in a time window of at most 31 days: id, date-time, division (1 = normal sale, 2 = deposit, 3 = withdrawal...), store, terminal, customer, totals. Optionally with the line items (limit 100 then). Contains shoppers' personal data. GET /transactions. |
smaregi_get_transaction | read | Get transaction One transaction (receipt) by its transaction id (transactionHeadId), optionally with line items, discounts and payments. Contains personal data. GET /transactions/{transaction_id}. |
smaregi_create_customer | write | Create customer WRITE: create a customer (member). customerCode, firstName and lastName are required; the contract's own required-column settings may demand more. Not idempotent: calling twice with a different code creates two customers. POST /customers. |
smaregi_update_customer | write | Update customer WRITE: change fields of one customer (only the fields you pass are changed). Overwrites the old values. PATCH /customers/{customer_id}. |
smaregi_create_product | write | Create product WRITE: create a product. categoryId, productName and price are required. Not idempotent. POST /products. |
smaregi_update_product | write | Update product WRITE: change fields of one product (only the fields you pass are changed), for example its price or name. Overwrites the old values. PATCH /products/{product_id}. |
smaregi_set_stock | write | Set stock level WRITE: set the absolute stock quantity of one product in one store, replacing the current quantity. Use smaregi_adjust_stock for a relative change. PATCH /stock/{product_id}. |
smaregi_adjust_stock | write | Adjust stock level WRITE: add (positive) or subtract (negative) a quantity to the stock of one product in one store. Not idempotent: a repeat applies the change again. POST /stock/{product_id}/add. |
smaregi_usage_status | Usage status (free-tier meter) Report the caller's current usage: the plan, calls used this month, the limit of the plan (the free monthly cap or the Pro fair use limit), remaining, and whether the limit is reached. Read-only; does not count against the meter. | |
smaregi_request_feature | Request a missing feature Tell usefulapi that the user needs something the Smaregi tools cannot do yet (a missing tool, field or filter). Call it only when the user asks for something none of the tools can do, and tell the user that you send the request. Do not call it for errors or for normal requests. Do not include personal data, credentials or customer records. Stored with the product name and the client type (for example Claude or Cursor), without the user's account. At most 5 requests per day. Does not count against the meter. | |
smaregi_upgrade | Upgrade to Pro (unlimited*) Get Pro: unlimited tool calls (fair use limit: 10,000 a month) on Smaregi (the free tier caps monthly usage). Plans: "monthly" — $9/month; "yearly" — $90/year (2 months free). Cancel any time: Pro then runs to the end of the paid period, so it also suits a one-time job. *A fair use limit applies. For heavy use (near Pro's limit): "plus" or "plus_yearly" — Pro+, $39/month or $390/year, unlimited tool calls (fair use limit: 100,000 a month); an existing Pro subscription changes to Pro+ in place (needs confirm: true; the price difference for the rest of the period is charged at once). Otherwise returns a short link to open in your browser (it opens Stripe Checkout); after payment the account upgrades automatically. Does not count against the meter. | |
smaregi_cancel_subscription | Cancel the Pro subscription Cancel the caller's Smaregi Pro subscription at the end of the paid period (no refund for the current period; Pro continues until then, then the free tier applies). Requires confirm: true. Run smaregi_upgrade later to undo the cancel before the period ends. Does not count against the meter. |
| Plan | Price | Limit |
|---|---|---|
| Free | $0 | 50 tool calls / month |
| Proper account | $9/mo · $90/yr | Unlimited* |
*Pro fair use limit: 10,000 tool calls a month on this server. For more, write to [email protected].
Pro covers this Smaregi server only. Subscribe with smaregi_upgrade (it returns a Stripe Checkout link). Cancel any time with smaregi_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running smaregi_upgrade before then undoes the cancel. Or write to [email protected].
No. usefulapi is an independent service. It is not affiliated with or endorsed by Smaregi. The server calls the Smaregi API with your own Smaregi access, so it sees only the data that your account can see.
Yes. In Claude, add this server's URL as a custom connector. In ChatGPT, add it as a custom MCP server in Plugins. Then log in once. Cursor, VS Code, Claude Code and Codex work too. See the setup steps.
The login page asks for your Contract ID, Client ID, Client secret and Environment. See Before you connect for where to find them.
No. 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: the login page asks for your Contract ID, Client ID, Client secret and Environment. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.
The login stores them encrypted in the authorization grant of your connection. The server uses them to call the Smaregi API for you and to derive a private account id for usage metering. usefulapi does not show them on any page or in any reply. To stop all access, remove the connector and change or delete these credentials in Smaregi.
Yes, if you approve it. 6 of the 20 Smaregi tools can create or change data. The other 14 are marked read-only. Most MCP clients ask you to approve a tool call before it runs.
The Free plan gives 50 tool calls / month. Pro costs $9/mo or $90/yr, with unlimited tool calls (fair use limit: 10,000 tool calls a month), for this Smaregi server only. Cancel any time: Pro then runs to the end of the paid period. Run smaregi_usage_status to see how many calls you used.
Ask the AI to run smaregi_upgrade: it returns a Stripe Checkout link. To cancel, run smaregi_cancel_subscription. Pro continues to the end of the paid period.
Tell the AI what you wanted to do. It can send the request with smaregi_request_feature. We store the text with the server name, the type of AI client and the tool you tried, not with your account, and read every request when we plan new tools. You can send up to 5 requests per day.
Any client that supports remote MCP servers (Streamable HTTP) with OAuth login: Claude (web and desktop), Claude Code, ChatGPT, Codex, Cursor, VS Code, Windsurf and others.
This is a Model Context Protocol endpoint — meant to be connected from an AI client, not opened in a browser. An invalid_token response at the URL is the auth gate working as designed; clients authenticate automatically.