Every change Wellknown observed on this MCP server, newest first, with what it was before and what it became. Tool-surface changes carry the definition diff. Nothing here is edited after the fact.
Certificate changed, valid to 2026-12-27
Changed the definition of "get_history" and "list_stocks"
⟨55 unchanged words⟩ differ from an HTS 52-week range. | "전 구간 고점 대비 얼마나 빠졌나·거래량이 평소보다 많나"에 답합니다 ⟨17 unchanged words⟩
⟨45 unchanged words⟩ :"number"},"max_drawdown_pct":{"description":"52주(최근 250거래일) 고점 대비 낙폭 상한(%, 양수로). 예: 10 이면 52주 고점 근처(10% 이내)만","type":" ⟨37 unchanged words⟩ :"number"},"min_drawdown_pct":{"description":"52주(최근 250거래일) 고점 대비 낙폭 하한(%, 양수로). 예: 30 이면보유 구간52주 최고 종가 대비 30% 이상 하락한종목만종목만. ★전 구간(상장 이후) 최대낙폭(MDD)과 다릅니다 — 그쪽은 /mdd 장입니다","type":"number"},"min_turnover_pctile":{ ⟨45 unchanged words⟩
Changed the definition of "search_stock"
⟨55 unchanged words⟩ caps ('삼전' finds 삼성전자, '하닉' SK하이닉스).RomanisedLargeKoreancapsdoesalsonotmatch their official English name ('Samsung Electronics', 'SK hynix'; 'samsung'returnslistsnothing;the'삼성'Samsungworksgroup
Changed the definition of "get_disclosures" and "search_stock"
⟨40 unchanged words⟩ by importance.","type":"string"},"include_unlisted":{"description":"장중 수집본에서 비상장 법인·우리가 발행하지 않는 종목의 공시(채권 신고서 등)까지 볼지. 기본 false — 상장 종목(in_universe)만. | include filings of unlisted issuers in the intraday snapshot (default false)","type":"boolean"},"label":{"description":"공시 유형 부분일치(예 ⟨36 unchanged words⟩
⟨40 unchanged words⟩ match ('네이버' finds NAVER, '케이티' finds KT/KTis), and so do common Korean nicknames for large caps ('삼전' finds 삼성전자, '하닉' SK하이닉스). Romanised Korean does not ('samsung' returns nothing; ⟨15 unchanged words⟩ 무시)나 6자리 코드로 찾습니다. 영문 이름의 한글읽기도 매치됩니다
Changed the definition of "get_disclosure_impact", "get_earnings", "get_history" and 4 more
⟨40 unchanged words⟩ historical record, not a forecast. Coverage: everyKOSPI, KOSDAQ and KONEXlisted stock in the FSC price feed (no ETFs/ETNs); markets and counts are in index.jsoncoverage.coverage and in each response footer. | "이 공시 나오면 보통 어땠나"에 ⟨22 unchanged words⟩
⟨34 unchanged words⟩ or omit it for the largest caps. get_stockreturns
Certificate recorded, valid to 2026-10-29
Authorization not required
First tool surface recorded: 12 tools (server version 2.1.2)
Showing the latest 8 events. The API returns up to 500 and filters by kind: ?kind=tool_surface_changed
종목 일별 시세1년(Daily price history)
⟨10 unchanged words⟩ a drawdown, and is volume unusual?" —250 tradingthedaysstock'sofaccumulated daily CLOSES, plus period high/low, drawdown from the high, and volume vs the 60-day average. Close-based (this250-dayhistory file carries daily closes only; the latest ⟨18 unchanged words⟩ 대비 얼마나 빠졌나·거래량이 평소보다 많나"에 답합니다 —250거래일보유 구간 전체의 **종가 기준** 고저·낙폭·거래량 배수. 장중 고저가 아니라 HTS ⟨5 unchanged words⟩
⟨16 unchanged words⟩ list, default 20, max 60 — forallthe250fullrowshistory read /data/public/s/{code}_history.json | 나열할 최근 일수(기본 20, **최대 60**.250행전체전체는이력은 s/{code}_history.json)","type":"number" ⟨4 unchanged words⟩
⟨6 unchanged words⟩ readOnlyHint":true,"title":"종목 일별 시세1년(Daily price history)"}
⟨35 unchanged words⟩ H1 = Jan-Jun, not Q2 alone), PER(TTM) and PBR computed from public filings, and ranking signals. Two as-of dates move independently — ⟨22 unchanged words⟩ provided, never 0. Name → code: search_stock.250 tradingDailydayspriceofhistoryprices(accumulating): get_history. Filings with receipt times: get_disclosures. Screening ⟨10 unchanged words⟩ 종가·등락·시총·최근 정기보고서 실적(전년비 · 반기는 1~6월 누적)·랭킹·PER(TTM)·PBR·랭킹 신호. 기준일이 둘이고 따로 움직입니다(시세·공시) — ⟨9 unchanged words⟩ 은 '미제공'이며 0이 아닙니다. 이름으로 찾기는 search_stock,1년일별 시세는 get_history, 접수 시각이 있는 공시는 get_disclosures, 조건 목록은 list_stocks.
⟨31 unchanged words⟩ get_stock / list_stocks / get_disclosures. Coverage: everyKOSPI, KOSDAQ and KONEXlisted stock in the FSC price feed (no ETFs/ETNs); markets and counts are in index.jsoncoverage.coverage and in each response footer. | "오늘 시장 어땠어?"의 출발점 — ⟨16 unchanged words⟩
⟨29 unchanged words⟩ tools give counts; this one gives the names. new_high/new_low return at most 30 names per side (the published list); the full count is in get_market_summary(). | 조건에 맞는 종목 목록을 돌려줍니다 — 흑자전환·52주 ⟨8 unchanged words⟩ 수 있습니다. 다른 도구가 개수를 준다면 이건 목록을 줍니다. 52주 신고가·신저가는 발행 목록이 쪽마다 최대 30종목이고, 전체 수는 get_market_summary 가 줍니다.
⟨107 unchanged words⟩ 하한(%, 양수로). 예: 30 이면250거래일보유 구간 최고 종가 대비 30% 이상 하락한 종목만", ⟨48 unchanged words⟩
⟨17 unchanged words⟩ code, across every listed stock we publish (KOSPI,noKOSDAQ,ETFs;KONEX;marketsnoareETFsnamed in the response footer). Korean readings of Latin names also match ⟨61 unchanged words⟩