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Korea & Asia Everyday Calculators (kWhmate)

R0· no sign-in

Free calculators with sources: electricity bills (KR/TW/PH/JP), Korea taxi fares, tax refunds.

v1.0.0 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality81new
Trust83of 100
Uptime, 30 days100%
Latency p50235 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "calculators": {
      "type": "http",
      "url": "https://kwhmate.com/api/mcp"
    }
  }
}
claude mcp add --transport http calculators https://kwhmate.com/api/mcp
[mcp_servers.calculators]
url = "https://kwhmate.com/api/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "calculators": {
      "type": "remote",
      "url": "https://kwhmate.com/api/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "calculators": {
      "type": "http",
      "url": "https://kwhmate.com/api/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=calculators&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8va3dobWF0ZS5jb20vYXBpL21jcCJ9"
}
{
  "servers": {
    "calculators": {
      "type": "http",
      "url": "https://kwhmate.com/api/mcp"
    }
  }
}
{
  "mcpServers": {
    "calculators": {
      "httpUrl": "https://kwhmate.com/api/mcp"
    }
  }
}
extensions:
  "calculators":
    enabled: true
    name: "calculators"
    type: streamable_http
    uri: "https://kwhmate.com/api/mcp"
    timeout: 300

Quality 81 / 100new

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene86 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations19 of 19 tools declare readOnlyHint or destructiveHint
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: kr_electricity (destructiveHint, idempotentHint); kr_led_savings (destructiveHint, idempotentHint); tw_electricity (destructiveHint, idempotentHint); …
  • pass
    tools.token_costabout 3,901 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stabilityn/a · weight 15
  • n/a
    stability.changes, stability.rug_pulltool history recorded for 4 of the 7 days needed
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

19 tools, about 3,901 tokens to load them all · tool set c4eea26c58ef · checked 2026-10-20 04:41 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 83 / 100

no-repository
provenance55
liveness100
freshness100
hygiene80

+dns-namespace +website +reachable +uptime-100% +updated-5d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://kwhmate.com/api/mcp streamable-httpnoneyes100%235 ms2025-11-252026-10-20

Tools (19)

busan_taxiread-onlyBusan taxi fare (regular mid-size taxi meter estimate). Same code as https://koreasurvivalkit.com/busan-taxi-fare-calculator/. Reference: Source: Busan Metropolitan City, taxi fares in effect since 1 June 2023 (checked September 2026). Returns an estimate with the source and page URL.
education_tax_creditread-only교육비 세액공제 (Korean education expense tax credit, 2026 spending). Same code as https://gyesanmate.com/education-tax-credit/. Reference: 출처: 소득세법 제59조의4, 2025년 세법개정(2025.12 국회 통과). Returns an estimate with the source and page URL.
gap_investmentread-only갭투자 실투자금 (Korean "gap" investment: acquisition tax, brokerage, cash needed). Same code as https://gyesanmate.com/gap-investment/. Reference: 출처: 지방세법 제13조의2(시행 2026.1.1)·제151조 · 1주택 세율·중개보수는 최신 공지 확인 · 투자 권유 아님. Returns an estimate with the source and page URL.
gpa_converterread-only학점 비례 환산 (GPA scale conversion 4.5 / 4.3 / 4.0). Same code as https://gyesanmate.com/gpa-converter/. Reference: 기준: 단순 비례 환산(참고용) · 학교·기업마다 환산식이 다르므로 지원처 기준이 우선. Returns an estimate with the source and page URL.
jp_electricityread-onlyJapan electricity bill (TEPCO Juryo Dento B). Same code as https://kwhmate.com/jp/electricity-bill/. Reference: 出典:東京電力エナジーパートナー「従量電灯B・C」・燃料費調整単価等一覧、経済産業省「2026年度の賦課金単価」. Returns an estimate with the source and page URL.
jp_led_savingsread-onlyJapan LED replacement savings (TEPCO Juryo Dento B, 30 A). Same code as https://kwhmate.com/jp/led-savings/. Reference: 出典:東京電力エナジーパートナー「従量電灯B」. Returns an estimate with the source and page URL.
korea_tax_refundread-onlyKorea tourist tax (VAT) refund estimate. Same code as https://koreasurvivalkit.com/tax-refund-calculator/. Reference: Sources checked October 2026: VISITKOREA, Korea.net, Incheon Airport, Visit Seoul. Returns an estimate with the source and page URL.
kr_electricityread-onlyKorea household electricity bill (KEPCO residential low-voltage, progressive tiers). Same code as https://kwhmate.com/ko/electricity-bill/. Reference: 기준: 2026년 4분기 요금 · 출처: 한국전력공사 주택용 전력(저압) 요금표. Returns an estimate with the source and page URL.
kr_led_savingsread-onlyKorea LED replacement savings (household tiers or shop unit price). Same code as https://kwhmate.com/ko/led-savings/. Reference: 기준: 2026년 한전 주택용 저압 요금표(기타 계절) · 가게·사무실은 고지서 단가 직접 입력. Returns an estimate with the source and page URL.
naesin_graderead-only내신 등급 (Korean high-school class rank → grade, 5- or 9-grade system). Same code as https://gyesanmate.com/naesin-grade/. Reference: 기준: 고교 내신 상대평가 누적 비율 · 최종 등급은 학교 성적표 기준. Returns an estimate with the source and page URL.
ph_led_savingsread-onlyPhilippines LED replacement savings (Meralco rates). Same code as https://kwhmate.com/ph/led-savings/. Reference: Rates: Meralco residential rates, October 2026. Returns an estimate with the source and page URL.
ph_meralcoread-onlyPhilippines Meralco bill (this month's residential rate). Same code as https://kwhmate.com/ph/meralco-bill-calculator/. Reference: Source: Meralco rate announcement for October 2026 · lifeline discounts and local taxes not included. Returns an estimate with the source and page URL.
report_rewardread-only신고 포상금·보상금 (Korean whistleblower rewards: tax evasion, hidden assets, card refusal, public interest, corruption). Same code as https://gyesanmate.com/reward/calculator/. Reference: 확인일 2026-10-12 · 출처: 국세기본법 시행령 제65조의4, 공익신고자 보호법 시행령 제22조, 부패방지권익위법 시행령 제77조 · 참고용 추정치. Returns an estimate with the source and page URL.
seoul_taxiread-onlySeoul taxi fare (regular mid-size taxi meter estimate). Same code as https://koreasurvivalkit.com/taxi-fare-calculator/. Reference: Source: Seoul Metropolitan Government, mid-size taxi fares in effect since 1 February 2023 (checked September 2026). Returns an estimate with the source and page URL.
student_loanread-only학자금대출 상환 (Korean student loan: standard repayment or income-contingent ICL). Same code as https://gyesanmate.com/student-loan-repayment/. Reference: 출처: 교육부고시 제2026-12호(2026학년도 2학기, 시행 2026.7.1) · 상환율은 최신 공지 확인. Returns an estimate with the source and page URL.
suneung_scoreread-only수능 표준점수·등급 (Korean CSAT standard score and grade). Same code as https://gyesanmate.com/suneung-score/. Reference: 기준: 2027학년도 수능(한국교육과정평가원) · 실제 등급컷은 해마다 채점 결과로 달라짐. Returns an estimate with the source and page URL.
travel_budgetread-only국내 여행 예산 (Korea domestic trip budget: transport, stay, food, admission ranges). Same code as https://gyesanmate.com/travel-budget/. Reference: 확인일 KTX 2026-10-12·고속버스 2026-10-13 · 출처: 국토교통부 발표(KTX), KOBUS 시간표조회(고속버스) · 결과는 추정치. Returns an estimate with the source and page URL.
tw_electricityread-onlyTaiwan electricity bill (Taipower residential progressive rates). Same code as https://kwhmate.com/tw/electricity-bill/. Reference: 依據:台灣電力公司 2025年10月1日起實施之住宅用累進電價(2026年電價審議會凍漲). Returns an estimate with the source and page URL.
tw_led_savingsread-onlyTaiwan LED replacement savings (Taipower non-summer, monthly brackets). Same code as https://kwhmate.com/tw/led-savings/. Reference: 依據:台電住宅用累進電價(非夏月、單月級距). Returns an estimate with the source and page URL.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "com.kwhmate/calculators",
  "title": "Korea & Asia Everyday Calculators (kWhmate)",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://kwhmate.com/api/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "websiteUrl": "https://kwhmate.com/developers/",
  "description": "Free calculators with sources: electricity bills (KR/TW/PH/JP), Korea taxi fares, tax refunds."
}