MCP server

MyBestSim eSIM comparator Official

com.mybestsim/esim-comparator

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Compare prepaid travel eSIM plans by destination, data and trip length; plan multi-country trips.

Working at last checkVerified publisher: mybestsim.comAbout 3,496 tokens per request once connected4 tools

https://mcp.mybestsim.com/mcp

At a glance

Type: MCP server
Publisher: mybestsim.com (verified by the MCP Registry)
Status: Working at last check
Tools: 4
Token cost: About 3,496 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http esim-comparator https://mcp.mybestsim.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.esim-comparator]
url = "https://mcp.mybestsim.com/mcp"

Gemini CLI

{"mcpServers":{"esim-comparator":{"httpUrl":"https://mcp.mybestsim.com/mcp"}}}

Cursor

{"mcpServers":{"esim-comparator":{"url":"https://mcp.mybestsim.com/mcp"}}}

VS Code

{"servers":{"esim-comparator":{"type":"http","url":"https://mcp.mybestsim.com/mcp"}}}

Antigravity

agy mcp add esim-comparator https://mcp.mybestsim.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"esim-comparator","server_url":"https://mcp.mybestsim.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"esim-comparator","server_url":"https://mcp.mybestsim.com/mcp"}

get_destination_overview ~618 tokens
Use 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 computed over all of
get_esim_plan ~542 tokens
Use 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.
plan_trip_esim ~1132 tokens
Use 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 need. Compares, at the
search_esim_plans ~1204 tokens
Use 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 comparator: data allowanc

eSIM SOS
Find travel eSIM plans, compare prices and create an order the user pays by link.
esimker eSIM store
Prepaid travel data eSIMs: checkout links for people, autonomous purchases from a prepaid wallet.
Trip Logistics Assistant
Book trip logistics in chat: cars, transfers, eSIM, luggage storage, tours & flight compensation.
esimoa — travel eSIM comparison
Compare travel eSIM plans by country, days and data — live prices and links to buy on esimoa.
eSIM-Global.VIP eSIM Catalog
Find prepaid travel eSIM plans for 200+ destinations with live prices, specs and a buy link.
Hungry eSIM
Travel eSIMs: unlimited data, pick your days, top up existing eSIMs, card checkout, no API key.
IbiPoint eSIM Catalog
Search prepaid travel eSIM data plans for 200+ countries with live prices and a buy link.
esimdata: travel eSIM comparison
Neutral travel eSIM comparison: search and compare plans from many providers, ranked by price.

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