Smartrr MCP
Manage Shopify subscriptions: view and control customer billing, pauses, cancellations and orders.
Connects to Smartrr subscription management for Shopify stores. Muse can list subscriptions and customers, view billing history and orders, pause or resume subscriptions, cancel them, skip orders, and retry failed charges.
Try asking Muse: "Show me all my active subscriptions that are due to bill in the next week."
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Source: Found in the official MCP Registry (io.usefulapi/smartrr) · First listed October 28, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 40 min 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://smartrr.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
Smartrr 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://smartrr.usefulapi.io/mcpWhat people ask Muse to do
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 15ms. Worked in 100% of checks over 30 days.
Screening · October 29, 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 · 21
smartrr_list_subscriptionsList customer subscriptions (Smartrr 'purchase states') with status, next billing date, selling plan, line items, shipping address, discounts and the customer (id, email, name). Filter by status, next billing date or creation date. The ids you need for the other tools: `id` (subssmartrr_get_subscriptionOne subscription by its Shopify subscription id (the `shopifyId` field from smartrr_list_subscriptions, passed exactly as shown): status, schedule, next billing date, line items, discounts, shipping address, customer and payment method (brand, last digits and expiry only). GET /vsmartrr_list_customer_subscriptionsList the subscriptions of one customer, by Smartrr customer id (`custRel.id` from smartrr_list_subscriptions, or `id` from smartrr_list_customers). GET /vendor/customer/{customerRelationshipId}/purchase-state/.smartrr_get_subscription_eventsThe 250 most recent events on a subscription (pause, skip, cancel, activate, billing attempts and failures, line-item and address changes, discounts) with who did it. GET /vendor/purchase-state/{shopifySubscriptionId}/events.smartrr_get_subscription_ordersOrders generated by one subscription, by its Shopify subscription id. GET /vendor/purchase-state/{shopifySubscriptionId}/orders.smartrr_get_subscription_billsBilling attempts of one subscription (amount, status pending/processing/succeeded/failed/canceled, billing date, retry count, error), by its Shopify subscription id. GET /vendor/purchase-state/{shopifySubscriptionId}/bills.smartrr_list_customersList Smartrr customers (subscribers) with email, name, phone, order count, total spent and custom attributes. Search by email fragment or filter by Shopify customer id. GET /vendor/customer-relationship.smartrr_list_ordersList orders Smartrr has synced from Shopify (subscription and one-time) with totals, status, financial and fulfillment status, tracking, items and customer. Filter by processed date or order label (e.g. #1001). GET /vendor/order.smartrr_get_orderOne order by its Shopify order id (the `shopifyId` field in smartrr_list_orders, passed as shown). GET /vendor/orders/{shopifyId}.smartrr_list_billsList billing attempts across all subscriptions with amount, status (pending, processing, succeeded, failed, canceled), billing date, retry count, error and the subscription and customer. Filter by billing date; `status` filters the returned page only (use page_size 100 and next_psmartrr_get_bill_historyThe audit trail of one bill: every status change, retry and error. GET /vendor/bill/{billId}/history.smartrr_list_selling_plan_groupsThe store's subscription programs (selling plan groups) and their plans: name, options, delivery and billing frequency, discounts. GET /vendor/selling-plan-group.smartrr_list_cancellation_reasonsThe cancellation reasons configured in Smartrr (id, type, text, action, retention discount). Use an `id` as reason_id when cancelling a subscription. GET /vendor/cancellation-reasons.smartrr_get_analyticsActive subscription count and active subscriber count for each day in a date range. GET /vendor/analytics-simple.smartrr_pause_subscriptionWRITE: pause a customer's subscription until a date: no orders or charges are created while it is paused, then it resumes on that date. Reverse it with smartrr_resume_subscription. Takes the customer id and subscription id from smartrr_list_subscriptions. PUT /vendor/customer/{cusmartrr_resume_subscriptionWRITE: reactivate a paused or cancelled subscription; the customer will be billed on next_billing_date and every cycle after. Customer-facing: it restarts charges to the customer's card. PUT /vendor/customer/{customerId}/purchase-state/{subscriptionId}/activate.smartrr_cancel_customer_subscriptionWRITE, DESTRUCTIVE: cancel a customer's subscription in the merchant's store (this is the customer's Smartrr subscription, not your usefulapi plan). It stops all future orders and charges; the reason may trigger Smartrr's configured cancellation emails or actions. It can be undonsmartrr_skip_orderWRITE: skip one scheduled order of a subscription (no order and no charge for that cycle; the schedule moves on). `date` is the scheduled order date to skip; omit it to skip the next one. Reverse with smartrr_unskip_order. PUT /vendor/customer/{customerId}/purchase-state/{subscrismartrr_unskip_orderWRITE: restore a previously skipped order of a subscription, so it is billed and shipped again. `date` is the skipped order date; omit it to restore the earliest skip. PUT /vendor/customer/{customerId}/purchase-state/{subscriptionId}/unskip.smartrr_set_next_billing_dateWRITE: change the date on which a subscription is next billed and its order created. Customer-facing: the customer is charged on the new date. PUT /vendor/customer/{customerId}/purchase-state/{subscriptionId}/next-billing-date.smartrr_retry_billWRITE, CHARGES THE CUSTOMER: retry a billing attempt now. If it succeeds the customer's saved payment method is charged for the bill amount and the order is created. Check the bill with smartrr_list_bills first; do not retry a succeeded bill. Not idempotent: each call can charge Recent checks
Link
https://smartrr.usefulapi.io/mcpQuestions about Smartrr MCP in Muse
How do I connect Smartrr MCP to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Smartrr MCP to help me. It is a free service with an MCP server at https://smartrr.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 Smartrr MCP working right now?
At the last check (October 29, 2026, 11:16 UTC) the endpoint was working, answering in 15ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is Smartrr MCP safe to connect to Muse?
It was screened on October 29, 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 Smartrr MCP do in Muse?
It exposes 21 tools, including smartrr_list_subscriptions, smartrr_get_subscription, smartrr_list_customer_subscriptions, smartrr_get_subscription_events. For example, you could ask Muse: "Show me all my active subscriptions that are due to bill in the next week."
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