Compare prepaid travel eSIM plans by destination, data and trip length; plan multi-country trips.
Connect Remote server
claude mcp add --transport http esim-comparator https://mcp.mybestsim.com/mcp{
"mcpServers": {
"esim-comparator": {
"url": "https://mcp.mybestsim.com/mcp"
}
}
}{
"servers": {
"esim-comparator": {
"type": "http",
"url": "https://mcp.mybestsim.com/mcp"
}
}
}Settings > Connectors > Add custom connector
URL: https://mcp.mybestsim.com/mcpTools 4 found in our last check
search_esim_plansUse this when someone is choosing a travel eSIM or needs mobile data abroad for a given country or region, e.g. "cheapest eSIM for Japan", "10 GB for two weeks in Europe", "unlimited data in the USA". Returns a shortlist (up to 10, at most 2 per provider) from the MyBestSim comp…
plan_trip_esimUse this when one trip visits SEVERAL countries or regions, e.g. "Japan then China", "two weeks in France, Italy and Spain", "Thailand, Vietnam and Cambodia in March". Pass EVERY stage in travel order, with the days spent in each when known (or totalDurationDays), and the data n…
get_destination_overviewUse this when someone asks how much a travel eSIM costs in a country or region, what the average or typical price is, or how much choice there is, before comparing individual plans. Returns the number of plans and providers listed on the MyBestSim comparison page, typical prices…
get_esim_planUse this when someone wants the detail of one plan returned by search_esim_plans or get_destination_overview: coverage (number of countries, region), features, validity and price. Needs the planId and the destination it was found under.
Details
| Endpoint | https://mcp.mybestsim.com/mcp (Streamable HTTP) |
| First published | 16 Oct 2026 |
| Last updated | 16 Oct 2026 |
| Registry name | com.mybestsim/esim-comparator |
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