# SimFuse Muse connector

From musedirectory.ai, the independent directory of Meta Muse connectors. Not affiliated with Meta.

## SimFuse

Compare and buy travel eSIM data plans for over 200 countries, then check activation and usage.

- Record: https://musedirectory.ai/connector/simfuse
- Category: Travel
- Developer: SimFuse (https://simfuse.app/agent/)
- Muse status: Extra setup. Not in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
- Health: Working, 114ms, checked 2026-11-08T02:00:47Z
- Endpoint: https://simfuse.app/agentic/mcp
- Auth: No account needed; Pricing: unknown
- Screening: Screened, no issues found (2026-11-07T20:26:11Z)
- Source: Found in the official MCP Registry (app.simfuse/esim-storefront) https://registry.modelcontextprotocol.io/v0/servers?search=app.simfuse%2Fesim-storefront

Connects to the SimFuse eSIM storefront. Muse can look up destinations and regions, compare single-country, regional and multi-country plans on live prices, check coverage, build a plan to a data and validity budget, hand over a checkout link, and later check order status, eSIM activation details and remaining data.

Example request: "Find the cheapest eSIM that covers a week in Japan and five days in Korea, and send me the checkout link."

How to connect: Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use SimFuse to help me. It is a free service with an MCP server at https://simfuse.app/agentic/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.

Tools:
- plan-trip: Answer "which eSIM should I buy for this trip?". Give it the stops, a country code and the days spent in each, and it compares one plan covering the whole route against one plan per country against a mix of the two, on live prices, then flags the cheapest option that covers every
- list-destinations: Find the countries SimFuse sells eSIMs for, with the cheapest plan price ("from" price) for each in the currency you ask for. Start here when someone names a place: it turns "Portugal" into the two-letter country code the other tools take, and shows what that destination starts a
- list-regions: Discover available eSIM regions, including worldwide scopes, with their canonical slugs, display names, member countries and starting prices. Only published regions with active displayed regional plans are listed. Pass a returned region slug to list-plans as region, not destinati
- get-destination-info: Details for one destination: its name and codes, region, how many eSIM plans are sold there, the cheapest and most expensive, the smallest and largest data bundles, and its storefront page. Takes a country name ("Japan") or two-letter code ("JP"). Use this to describe a destinati
- list-plans: Show the eSIM plans on sale for one country or region, or search the whole catalog, narrowing by data allowance, validity and price. Use destination with a country code from list-destinations, or region with a slug from list-regions; never both. Use it when the traveller wants to
- get-plan: Read everything about one eSIM plan by its id: data allowance, how long it stays valid, what happens after a fair-use cap, whether hotspot and top-ups are supported, the network it runs on, and the retail price in the currency you ask for. Use it to answer a specific question abo
- build-plan: Build an eSIM plan to the traveller's liking for one destination: how much data, for how many days, optionally which network it runs on and whether calls and texts are bundled. Returns the one real plan that matches, with its id and live price, never a made-up combination: a shap
- get-plan-coverage: List every country one eSIM plan works in, plus any country of its own region that it leaves out. Use it to answer "does this plan also cover Austria?" for a regional or worldwide plan, where the plan name says a region and the traveller needs the actual list. For a single-countr
- check-coverage: Answer "does this eSIM plan work in X?" for one destination, as a yes or no rather than a country list. Takes a plan id and a destination (a country name or two-letter code). Reports whether the destination is covered, and separately whether it is explicitly excluded from an othe
- get-checkout-link: Get the page where a person buys one specific eSIM plan, for an assistant to hand them a link. The page sells exactly this plan with Apple Pay, Google Pay and card, takes the email at payment, and sends the eSIM there. Nothing is charged or reserved by this call and the buyer nee
- create-checkout-session: Open a checkout session for one or more eSIM plans at frozen prices, using the plan ids that plan-trip, list-plans or get-plan returned. Use it once the traveller has chosen what to buy. It CHARGES NOTHING and reserves no stock: it prices the basket, freezes those prices until th
- get-order-status: Check an eSIM order after payment: whether it completed and whether its eSIMs have been provisioned yet. Identified by the order id together with the email that bought it, both of which are on the buyer's confirmation email. Provisioning usually finishes within a minute of paymen
- get-esim-activation: Fetch the installable eSIM(s) for a paid order: the QR code image, the LPA activation string, the SM-DP+ address and activation code for manual entry, one-tap install links for iPhone and Android, and a hosted install page to send the buyer. Identified by the order id together wi
- check-esim-usage: How much data an eSIM has used and how much is left, for one eSIM on a paid order. Identified by the order id and the email that bought it, plus the ICCID from get-order-status or get-esim-activation. Allowances are in megabytes. Readings are served from a cache refreshed every c
- list-topup-options: Data top-ups that can be added to an eSIM the buyer already has, narrowed to what its network will actually accept. Identified by the order id and the email that bought it, plus the ICCID. Read-only: a top-up is bought in the SimFuse app, not through this server, and the response

Screening checks:
- MCP handshake: pass (Answered in 369ms)
- Domain against threat feeds (Cloudflare security DNS): pass (simfuse.app not flagged)
- Published packages against the OSV malicious-package database: n/a (No npm or PyPI package published)
- Hidden instructions or invisible characters in tool text: pass (15 tools read, nothing found)
- Inputs asking for passwords, card numbers or seed phrases: pass (None found)
- Domain and redirects: pass (No redirects off the domain)
- AI review of purpose and tool behavior: pass (No concerns)