esimoa — travel eSIM comparison

Search and compare travel eSIM data plans by destination, trip length and data.

CommunityOnlineNo sign-inGlobalFreeRead-only

What it can do

  • Search Esims: Search the travel eSIM catalog of esimoa (이심모아) and compare plans for a destination. Filter by trip length, data, unlimited or daily data, local phone number, local or roaming network, m
  • Get Esim: Get the details of one esimoa (이심모아) eSIM plan by id (from search_esims), including its plan page `url`.
  • Compare Esims: Compare 2 to 5 esimoa (이심모아) eSIM plans side by side by id (ids come from search_esims): price, data, validity, price per GB, coverage, network, hotspot and local phone number. Returns

What data it sees

Do you need an account

No: the server works without sign-in

Search and compare travel eSIM data plans by destination, trip length and data. Six read-only tools provide live KRW prices, coverage, hotspot and 5G support, local phone-number filters, plan details and side-by-side comparisons. Interactive MCP Apps cards link to each plan on esimoa.com. No account or API key is required; payment and eSIM delivery happen on esimoa.com.

How to connect

How to connect esimoa — travel eSIM comparison to Claude

The server address to paste into Claude settings:

https://esimoa--o-iong.run.tools

  1. Open Claude (claude.ai or the desktop app).
  2. Go to Settings → Connectors.
  3. Click Add custom connector.
  4. Paste the server address copied below into Remote MCP server URL and click Add.
  5. In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect esimoa — travel eSIM comparison to ChatGPT

The server address to paste into ChatGPT settings:

https://esimoa--o-iong.run.tools

  1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
  2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
  3. Open Settings → Connectors and click Create.
  4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
  5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
  6. In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect esimoa — travel eSIM comparison to Cursor

The server address to paste into Cursor settings:

https://esimoa--o-iong.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

  1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
  2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
  3. Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (6)

Raw names from tools/list. Only developers need these.

search_esimsSearch the travel eSIM catalog of esimoa (이심모아) and compare plans for a destination. Filter by trip length, data, unlimited or daily data, local phone number, local or roaming network, multi-country coverage, price, provider, hotspot and 5G. Sort by "recommended" (esimoa’s default order), "price" (lowest first), "data" (most data first), "price_per_gb" or "validity" (longest first). Each result includes its `id` (for get_esim and compare_esims) and a `url` to the plan page on esimoa.com. Prices are in KRW.
get_esimGet the details of one esimoa (이심모아) eSIM plan by id (from search_esims), including its plan page `url`.
compare_esimsCompare 2 to 5 esimoa (이심모아) eSIM plans side by side by id (ids come from search_esims): price, data, validity, price per GB, coverage, network, hotspot and local phone number. Returns which plan has the lowest price, most data, longest validity and lowest price per GB, and each plan page `url` on esimoa.com. Prices are in KRW.
list_countriesList countries where esimoa (이심모아) sells eSIMs, with the number of plans and the lowest price (KRW). Optionally filter by name.
searchFree-text search of esimoa (이심모아) eSIM plans in the search/fetch format used by ChatGPT deep research, e.g. "Japan 7 days unlimited" or "USA 3 days local phone number". Understands unlimited, daily, local phone number, local network, hotspot and 5G. Returns ids to use with fetch. When you can fill filters, prefer search_esims.
fetchFetch one esimoa (이심모아) eSIM plan as a document by id returned from search (ChatGPT deep research format). For plans found with search_esims, use get_esim.