Cheapest travel eSIM plans for a trip from every provider eSIMCompare tracks, plus a price index.
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First seen 26 Oct 2026. One server, whatever directories list it: each directory listing keeps its own page and history.
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Tools
| Tool | Description | Behaviour |
|---|---|---|
| compare_esim_providers | How travel eSIM providers stand against each other on eSIMCompare's data: plans and destinations covered, entry price, best price per GB, share of unlimited plans, an independent verdict, and links to the full review and head-to-head pages. Pass one to four providers, or none for all of them. | Read-only |
| esim_price_index | What a week of mobile data costs a traveler: the cheapest eSIM with at least 5 GB valid for at least 7 days, per country, from eSIMCompare's price index of 197 countries. With a country: its price, the plan behind it, the cheapest price per GB, the cheapest unlimited week and its rank among all countries. Without one: the median, the cheapest and dearest countries, and which providers are cheapest most often. | Read-only |
| search_esim_plans | Find the cheapest travel eSIM data plans for a destination from 26 providers (Airalo, Holafly, Nomad eSIM, Saily, Ubigi, Yesim and more), filtered to what a trip needs. Returns plans sorted by price (cheapest first) with data allowance, validity, price, price per GB, local network, speed policy, the date the price was checked, a page on eSIMCompare that cites the source, and a buy link. A buy link is an eSIMCompare address that takes a person on to the provider's own page for that plan after they press Continue; give it to the person rather than fetching it, since a program that opens it is shown that Continue page and not the provider. Buy links marked affiliate_link may earn eSIMCompare a commission; the price is the provider's own either way. For a provider eSIMCompare has no partnership with, the buy link is the plan's page on eSIMCompare, which offers comparable plans that can be bought through it, and where a buy link applies a reader discount the plan also gives price_through_buy_url_usd. | Read-only |
| Directory | Listing | Tier | First seen |
|---|---|---|---|
| Official MCP Registry | eSIMCompare: travel eSIM prices | - | 26 Oct 2026 |