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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Code & DevOps

Cheapest eSIM Korea (최저가e심)

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

Checks passed
15 / 22

0 failed · 7 not measured

Median response
850 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
5

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
103
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
400
Publisher identityCan the publisher be traced to its source?
402

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 889 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-06-18, serverInfo.name cheapest-esim.

  • Pass
    Lists tools

    tools/list returned 5 tools.

  • Pass
    Current protocol

    Negotiated 2025-06-18. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 850 ms over 2 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 885 ms over 2 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    2 of 2 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Pass
    Stable tool list

    No tool was removed and no required parameter was added in the last 30 days.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Pass
    Parameters documented

    12 of 14 parameters have a description (86%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Not measured
    Website matches publisher

    This namespace is not a reverse domain, so the website comparison does not apply.

  • Pass
    Source repo linked

    A repository URL is on file.

  • Pass
    Repo owner matches

    The GitHub repository owner matches the namespace login.

  • Pass
    Recently updated

    Updated 2026-10-15T04:32:10.659773Z, within 180 days.

  • Not measured
    Open-source licence

    The GitHub licence lookup has not returned an OSI result yet.

Start using Cheapest eSIM Korea (최저가e심)

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

claude mcp add --transport http cheapest-esim-korea-e https://pyungyo.com/esim/mcp

Capabilities

Tools 5

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).

Discovered
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.

Discovered
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.

Discovered
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.

Discovered
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).

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected889 ms5
Connected811 ms5