Find a mobile data plan for a trip abroad

eSIM and roaming options for your trip, with the price, the data, the network and phone support.

  • You start it: When you start it

What it does

The task

Find mobile data options for this trip: trip, with about data needed of data. Check the roaming offer of my carrier, carrier, at least 4 eSIM providers and a local SIM card at the airport. For each option, give the price, the data, the speed after the data runs out, the local network, hotspot use and whether it has a phone number. Check that my phone, phone model, supports eSIM. Give me a table, the best value first. Do not buy anything.

  • It works in any website, in the workspace you pick, and signs in with passwords from your Cuiar vault.
  • It runs once, when you start it.

What you give it

BlankWhat to giveExample
tripThe countries and the number of days12 days in Japan and South Korea
data neededHow much data you think you need15 GB
carrierYour mobile carrier at homeTeleon
phone modelThe brand and model of your phoneCorvex Phone 13

What you get back

An example run with the example values above. Your run uses your own data.

Data for 12 days in Japan and South Korea, about 15 GB

OptionPriceDataNetworkHotspotNumber
Roamly Asia eSIM26 USD20 GBNTT Docomo, SK Telecomyesno
Skyfi Regional eSIM31 USD15 GB, then 512 kbpsSoftBank, KTyesno
Airport SIM cards, Japan and Korea48 USD2 x 10 GBDocomo, KTnoyes, in Korea only
Teleon Travel Pass120 USDyour home planpartner networksyesyes

Your phone supports eSIM. Make sure that it is not locked to Teleon.

Best value: Roamly Asia eSIM.

Run it in Cuiar

  1. 01

    Open it

    Click Use in Cuiar on this page. The side panel opens with the task in the composer.

  2. 02

    Fill in 4 blanks

    Type trip, data needed, carrier and phone model. Tab moves to the next blank.

  3. 03

    Run it

    Run sends it to the agent. Follow each step in the panel, and stop it at any time.

From the terminal

cuiar exec "Find mobile data options for this trip: 12 days in Japan and South Korea, with about 15 GB of data. Check the roaming offer of my carrier, Teleon, at least 4 eSIM providers and a local SIM card at the airport. For each option, give the price, the data, the speed after the data runs out, the local network, hotspot use and whether it has a phone number. Check that my phone, Corvex Phone 13, supports eSIM. Give me a table, the best value first. Do not buy anything."

Run it from your AI agent

Claude Code, Codex, Cursor and other MCP clients reach Cuiar at https://mcp.cuiar.com/mcp. Add the server one time, then ask for the task in plain words, or call run_task yourself.

1. Add Cuiar to Claude Code

claude mcp add --transport http cuiar https://mcp.cuiar.com/mcp

2. Ask your agent

Use the Cuiar tool run_task to run my "Find a mobile data plan for a trip abroad" template with trip = 12 days in Japan and South Korea; data needed = 15 GB; carrier = Teleon; phone model = Corvex Phone 13.

Setup for other agents: AI agents.

The tool call

{
  "name": "run_task",
  "arguments": {
    "task": "Find mobile data options for this trip: 12 days in Japan and South Korea, with about 15 GB of data. Check the roaming offer of my carrier, Teleon, at least 4 eSIM providers and a local SIM card at the airport. For each option, give the price, the data, the speed after the data runs out, the local network, hotspot use and whether it has a phone number. Check that my phone, Corvex Phone 13, supports eSIM. Give me a table, the best value first. Do not buy anything."
  }
}
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