EsimTao — Global Travel eSIM Data Calculator, Advisor & Device Checker MCP Server

by esimtao Your server? Claim it

answering

EsimTao — Global Travel eSIM Data Calculator, Advisor & Device Checker is answering right now. Last checked 7 min ago. It exposes 6 tools. Last commit 11 Nov 2026.

Calculate travel data needs, check phone eSIM hardware & compare fair GB prices globally.

Uptime history 24 hours of history

24 hours agonow

100.0%

Uptime 24h

90 of 90 checks

Tools

read from the server

111 ms

Response time

average over 24h

Stars

last commit 11 Nov 2026

Nothing serious here today

Today is the operative word: we check EsimTao — Global Travel eSIM Data Calculator, Advisor & Device Checker every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 7 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add mcp --transport http https://esimtao.com/api/mcp

Settings → Connectors → Add custom connector, then paste this address

https://esimtao.com/api/mcp

~/.codex/config.toml

[mcp_servers.mcp]
url = "https://esimtao.com/api/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "mcp": {
      "url": "https://esimtao.com/api/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "mcp": {
      "type": "http",
      "url": "https://esimtao.com/api/mcp"
    }
  }
}

Available tools 6

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

calculate

calculate_esim_data_usage

Calculate daily and total gigabyte (GB) data consumption for international travel based on trip duration, map navigation, video streaming, social media, and hotspot tethering.

compare

compare_travel_esim_pricing

Benchmark standard fair market prices per Gigabyte (USD/GB) across Japan, USA, Europe, Southeast Asia, and worldwide to evaluate prepaid eSIM value.

device

check_device_esim_support

Check whether a specific smartphone or tablet model supports digital eSIM, including hardware differences between US eSIM-only models, mainland China dual physical SIM models, and Japanese/European variants.

esim

get_esim_installation_guide

Provide step-by-step QR code scanning, manual SM-DP+ Address / Activation Code entry, and Data Roaming switch settings for iOS (Settings -> Cellular) and Android (Settings -> Network).

lookup

lookup_esim_regional_coverage

Resolve regional travel eSIM bundles (Europe 33, Southeast Asia 8, Latin America, North America, Global) to determine included countries, border-crossing roaming handoffs, and shared GB pools.

recommend

recommend_travel_esim_plan

Recommend the optimal travel eSIM plan tier (Daily High-Speed Reset vs Total Data Bucket vs True Unlimited) for 180+ global travel destinations with local tier-1 carrier coverage.

Endpoints

URL	Transport	State	Latency	Checked
https://esimtao.com/api/mcp	streamable-http	answering	94 ms	7 min ago

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EsimTao — Global Travel eSIM Data Calculator, Advisor & Device Checker — questions

Answers built from our own checks of this server.

What can EsimTao — Global Travel eSIM Data Calculator, Advisor & Device Checker do?

It exposes 6 tools, read directly from the server on our last check. Among them: calculate_esim_data_usage, check_device_esim_support, compare_travel_esim_pricing, get_esim_installation_guide, lookup_esim_regional_coverage, recommend_travel_esim_plan. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is EsimTao — Global Travel eSIM Data Calculator, Advisor & Device Checker working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 90 of 90 checks got a reply (100.0%), average response time 111 ms. The bar chart above shows every period we have measured.

How do I connect EsimTao — Global Travel eSIM Data Calculator, Advisor & Device Checker?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does EsimTao — Global Travel eSIM Data Calculator, Advisor & Device Checker need an API key?

No. EsimTao — Global Travel eSIM Data Calculator, Advisor & Device Checker completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 6 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is EsimTao — Global Travel eSIM Data Calculator, Advisor & Device Checker?

It answers our handshake in 111 ms on average, which is faster than 93% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is EsimTao — Global Travel eSIM Data Calculator, Advisor & Device Checker open source?

The code is open source: it is published under the MIT licence and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at esimtao.com, which runs on its operator's own terms.