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Cheapest eSIM Korea (최저가e심) MCP Server

by shift7667 Your server? Claim it
answering

Cheapest eSIM Korea (최저가e심) is answering right now. Last checked 4 min ago. It exposes 5 tools. Last commit 15 Oct 2026.

Daily verified travel eSIM/SIM prices: 54 countries, 1-30 day trips, Korean sellers. Free.

Uptime history 26 days of history · worst day 99%
26 days agonow
100.0%
Uptime 24h
91 of 91 checks
5
Tools
read from the server
1191 ms
Response time
average over 24h
0
Stars
last commit 15 Oct 2026

What changed 6

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 18 October 2026. No other catalogue keeps this.

21 Oct a tool description was rewritten get_seller_profile
18 Oct 2 tool descriptions were rewritten find_esim_prices, list_countries
18 Oct 2 tools changed the parameters they ask for find_esim_prices, get_price_trend
18 Oct a tool changed version

Cheapest eSIM Korea (최저가e심) missed 2 checks this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 4 min ago.

run in your terminal
claude mcp add cheapest-esim --transport http https://pyungyo.com/esim/mcp
Settings → Connectors → Add custom connector, then paste this address
https://pyungyo.com/esim/mcp
~/.codex/config.toml
[mcp_servers.cheapest-esim]
url = "https://pyungyo.com/esim/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "cheapest-esim": {
      "url": "https://pyungyo.com/esim/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "cheapest-esim": {
      "type": "http",
      "url": "https://pyungyo.com/esim/mcp"
    }
  }
}

Available tools 5

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

compare
compare_countries
Ranks destination countries by the cheapest unlimited travel eSIM (or SIM) price for the same trip length. 같은 이용 일수에서 나라별 무제한 eSIM(또는 유심) 최저가를 싼 순으로 보여 줍니다 (화면 규칙).
countries
list_countries
Destination countries covered (key, Korean name, number of sellers, 3-day unlimited eSIM cheapest price). 가격을 비교하는 54개국 목록 (key·한글 이름·판매처 수·3일 무제한 최저가).
esim
find_esim_prices
Verified daily prices of travel eSIMs (and physical SIMs) sold to Korean travelers on Naver SmartStore, for a destination country or major city (54 countries, e.g., japan/일본/오사카/tokyo, vietnam/베트남/다낭) and trip length (1-30 days, or Korean trip phrases like "3박 4일", "일주일", "한 달"). Returns sellers ranked by reviews (or price) and the cheapest price under the same rules as the website (pagePrice), plus cheapest daily-cap, total-cap, USIM/eSIM, and adjacent-day (N-1 / N+1 days) alternatives. Plan types: unlimited, daily (N GB/day), total (N GB total). 해외여행 eSIM(또는 실물 유심) 판매처 가격을 나라(또는 주요 도시)·이용 일수별로 조회합니다. 네이버 스마트스토어 판매처의 옵션가를 매일 수집·검증한 값이며, 판매처는 리뷰 많은 순(또는 싼 순), 화면 최저가(pagePrice)는 웹·앱 화면과 같은 규칙입니다.
price
get_price_trend
Daily history of the cheapest unlimited eSIM price for a country and trip length, with a judgement of whether today is cheap compared with the recorded days. Does not forecast. 나라·일수별 무제한 최저가의 최근 일별 기록과 "지금이 싼 편인가" 판단(지난 기록 대비). 앞으로의 가격은 예측하지 않습니다.
seller
get_seller_profile
How often an eSIM seller changed prices recently (increases/decreases), its sold-out option ratio, the country/day cells where it is cheapest today, and the daily cross-check of its official website prices against Naver (today + 30-day history: match rate, days official site was cheaper). Independent comparison service, not affiliated with sellers. 판매처가 최근 가격을 얼마나 자주 바꿨는지·품절 옵션 비율, 오늘 그 판매처가 최저가인 나라·일수, 그리고 그 판매처 공식 홈페이지 가격과 네이버 값의 매일 교차 확인(오늘 + 최근 30일 이력). 최저가e심은 판매처와 관계없는 비교 서비스입니다.

Endpoints

URLTransportStateLatencyChecked
https://pyungyo.com/esim/mcp streamable-http answering 915 ms 4 min ago

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Cheapest eSIM Korea (최저가e심) — questions

Answers built from our own checks of this server.

What can Cheapest eSIM Korea (최저가e심) do?
It exposes 5 tools, read directly from the server on our last check. Among them: compare_countries, find_esim_prices, get_price_trend, get_seller_profile, list_countries. 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 Cheapest eSIM Korea (최저가e심) working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 1191 ms. The bar chart above shows every period we have measured.
How do I connect Cheapest eSIM Korea (최저가e심)?
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 Cheapest eSIM Korea (최저가e심) need an API key?
No. Cheapest eSIM Korea (최저가e심) completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 5 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Cheapest eSIM Korea (최저가e심)?
It answers our handshake in 1191 ms on average, which is faster than 5% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Cheapest eSIM Korea (최저가e심) open source?
We cannot say either way: 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.