eSIM Tabby
Buy and manage travel eSIM data plans for any destination, pay by card or crypto.
Search, compare, and purchase travel eSIM data plans for international destinations. Activate via QR code, check usage, and add data top-ups. Supports payment by Stripe card or USDC cryptocurrency.
Try asking Muse: "Find a 10GB eSIM plan for Japan that lasts 30 days and buy it before my trip."
Source: Found in the official MCP Registry (com.esimtabby/esimtabby) · First listed September 24, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 51 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://esimtabby.com/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 1080ms. Worked in 100% of checks over 30 days.
Screening · September 24, 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 · 11
search_esim_plansFind travel eSIM data plans available for a destination.get_plan_detailsFull details of one eSIM plan, including current price.create_checkoutStart a purchase — the step after the user picks a plan from search_esim_plans. Call it with that plan's plan_id (get_plan_details shows the current price first). Returns an order_id and where to pay, on the rail you asked for: 'card' (the default) returns a checkout_url — a hostpay_orderPay for an order in USDC over x402, without opening a browser. Only for an MCP client that signs x402 payments itself: call it once for the payment requirements, then repeat the call carrying the signed payment in _meta['x402/payment'] and it settles and starts the eSIM. If your get_order_statusCheck an order. Call this after the user says they've paid. Not read-only: an order still in progress is advanced first — payment is confirmed and the provider order placed or collected — so the status can change as a result of calling this.get_esim_activationGet the QR code and activation details for a purchased eSIM. Not read-only: like get_order_status, an order that is not ready yet is advanced first, so this can change the order's state.list_topup_optionsData top-ups that can be added to an eSIM the user already has. A top-up extends the existing eSIM — same QR code, nothing to re-install. Not every plan is reloadable; this returns an empty list when none apply.create_topup_checkoutBuy more data for an eSIM the user already has — the step after list_topup_options. Call it with the order_id of the fulfilled eSIM and a plan_id chosen from list_topup_options. The top-up lands on the existing eSIM: same QR code, nothing to re-install. Returns a new order_id andget_esim_usageHow much data an active eSIM has used, and how much is left.cancel_orderCancel an order and refund it. Only possible while the eSIM is uninstalled. Once the profile has been installed on a device the provider refuses to take it back, and this returns an error instead — send the user to support. Card payments refund automatically. A USDC payment has nlist_my_ordersList this account's eSIM orders, newest first.Recent checks
Link
https://esimtabby.com/mcpQuestions about eSIM Tabby in Muse
How do I connect eSIM Tabby to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use eSIM Tabby to help me. It is a free service with an MCP server at https://esimtabby.com/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 eSIM Tabby working right now?
At the last check (September 28, 2026, 08:30 UTC) the endpoint was working, answering in 1080ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is eSIM Tabby safe to connect to Muse?
It was screened on September 24, 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 eSIM Tabby do in Muse?
It exposes 11 tools, including search_esim_plans, get_plan_details, create_checkout, pay_order. For example, you could ask Muse: "Find a 10GB eSIM plan for Japan that lasts 30 days and buy it before my trip."
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