Smaregi MCP
Manage your Smaregi POS system: stores, products, inventory, customers and sales transactions.
Read and manage Smaregi point-of-sale data including stores, products, customers, stock levels and sales transactions. Create and update products and customers, adjust inventory, and view transaction history.
Try asking Muse: "Check current stock levels for a product across all my stores and adjust inventory after a delivery."
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Source: Found in the official MCP Registry (io.usefulapi/smaregi) · First listed October 30, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 2 h ago.
Is it safe to connect?
What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
musedirectory.ai is not part of Meta. More about how Muse handles your information
How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://smaregi.usefulapi.io/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Also use it in ChatGPT or Claude
Smaregi MCP is a remote MCP server, so any assistant that can add a custom connector by link can use it. Same link, same tools.
Add it to ChatGPT
- 1
Open ChatGPT settings
In ChatGPT, open Settings, then Connectors (called Apps & Connectors on some accounts).
- 2
Turn on developer mode
Under Advanced settings, switch on Developer mode. That is what lets you add a connector by link.
- 3
Create the connector
Choose Create, give it a name, paste the link as the MCP server URL, and save. If it needs a sign-in, ChatGPT asks for it here.
- 4
Use it in a chat
Start a chat, open the tools menu, pick the connector, and ask. ChatGPT asks before it runs a tool the first time.
Custom connectors need a paid ChatGPT plan, and on Team, Enterprise and Edu accounts only an admin can add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in ChatGPT
Add it to Claude
- 1
Open Claude settings
In Claude, open Settings, then Connectors.
- 2
Add a custom connector
Choose Add custom connector, give it a name, and paste the link.
- 3
Connect and use it
If it needs a sign-in, Claude sends you to it. Then turn the connector on in a chat from the tools menu and ask.
Custom connectors are available on paid Claude plans; on Team and Enterprise accounts an admin may need to add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in Claude
https://smaregi.usefulapi.io/mcpWhat people ask Muse to do
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 138ms. Worked in n/a of checks over 30 days.
Screening · October 30, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 20
smaregi_list_storesList the stores (shops) of the Smaregi contract: id, code, name, address, phone. Use the ids to filter stock and transactions. GET /stores.smaregi_get_storeOne store by id. GET /stores/{store_id}.smaregi_list_staffsList staff members: id, code, name, role, e-mail. Passwords are never returned. GET /staffs.smaregi_get_staffOne staff member by id. GET /staffs/{staff_id}.smaregi_list_categoriesList product categories (departments): id, code, name, parent, level. Use the ids when creating or filtering products. GET /categories.smaregi_get_categoryOne product category by id. GET /categories/{category_id}.smaregi_list_productsList 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_productOne product by id, optionally with store prices, bundled items, store assignments, reserved stock, attribute items and order settings. GET /products/{product_id}.smaregi_list_customersList 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_customerOne customer by id, optionally with the contract's custom fields. Contains personal data. GET /customers/{customer_id}.smaregi_list_stockList 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_changesThe 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_transactionsList 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 /transactiosmaregi_get_transactionOne transaction (receipt) by its transaction id (transactionHeadId), optionally with line items, discounts and payments. Contains personal data. GET /transactions/{transaction_id}.smaregi_create_customerWRITE: 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_customerWRITE: change fields of one customer (only the fields you pass are changed). Overwrites the old values. PATCH /customers/{customer_id}.smaregi_create_productWRITE: create a product. categoryId, productName and price are required. Not idempotent. POST /products.smaregi_update_productWRITE: 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_stockWRITE: 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_stockWRITE: 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.Link
https://smaregi.usefulapi.io/mcpQuestions about Smaregi MCP in Muse
How do I connect Smaregi MCP to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Smaregi MCP to help me. It is a free service with an MCP server at https://smaregi.usefulapi.io/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is Smaregi MCP working right now?
At the last check (October 30, 2026, 00:26 UTC) the endpoint was working, answering in 138ms. It is checked every 15 minutes.
Is Smaregi MCP safe to connect to Muse?
It was screened on October 30, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can Smaregi MCP do in Muse?
It exposes 20 tools, including smaregi_list_stores, smaregi_get_store, smaregi_list_staffs, smaregi_get_staff. For example, you could ask Muse: "Check current stock levels for a product across all my stores and adjust inventory after a delivery."
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