Inbox eSIM
Find and buy travel eSIM plans for 200+ countries with instant delivery
Browse eSIM data plans by destination with prices in USD, then purchase directly through Muse. Covers 200+ countries with data-only plans (no phone number) for unlocked phones. Payment via Stripe.
Try asking Muse: "Find me a 5GB eSIM plan for Japan that lasts at least 30 days and buy it for my trip next month"
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Source: Found in the official MCP Registry (com.inboxesim/esim) · First listed October 28, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 4 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://inboxesim.com/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
Inbox eSIM 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://inboxesim.com/mcpWhat people ask Muse to do
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 141ms. Worked in 100% of checks over 30 days.
Screening · October 28, 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 · 5
find_esim_plansLists Inbox eSIM data plans for a destination (country, city, region such as Europe, or 'global'), cheapest first, with plan_id, data in GB, validity in days and price in USD. Data only, no phone number; works on unlocked eSIM phones.buy_esimStarts the purchase of one eSIM plan for the customer and returns a payment link. Pay it with the Machine Payments Protocol (HTTP 402, Stripe shared payment token) to complete the order. Before calling, confirm the plan, the price and the email with the customer, and get their agmake_esim_cartFor a trip to several countries (or several phones): turns 2 to 6 plan_ids from find_esim_plans into one cart link. The customer opens it, checks the eSIMs and pays once on Stripe; each eSIM comes in its own QR email and can be refunded on its own. 3 or more eSIMs in one cart arecheck_esim_deviceSays whether a phone model is likely to take an eSIM (likely, unlikely or check), from the model name, with how to be sure on the phone itself. Call it before buy_esim when the customer is unsure.get_order_statusWhere an Inbox eSIM order is (awaiting_payment, preparing, ready_to_install, installed, in_use, ended, refunded, cancelled, with_support), with data used, the end date and the order page. Needs the order number and the email it was bought with.Recent checks
Link
https://inboxesim.com/mcpQuestions about Inbox eSIM in Muse
How do I connect Inbox eSIM to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Inbox eSIM to help me. It is a free service with an MCP server at https://inboxesim.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 Inbox eSIM working right now?
At the last check (October 29, 2026, 08:16 UTC) the endpoint was working, answering in 141ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is Inbox eSIM safe to connect to Muse?
It was screened on October 28, 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 Inbox eSIM do in Muse?
It exposes 5 tools, including find_esim_plans, buy_esim, make_esim_cart, check_esim_device. For example, you could ask Muse: "Find me a 5GB eSIM plan for Japan that lasts at least 30 days and buy it for my trip next month"
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This listing was added from public sources (Found in the official MCP Registry (com.inboxesim/esim)). If you build Inbox eSIM, claim it to correct the details and get your badge.
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