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K-Data — Korean Sell-Side Research & Market Data

by juh5ng · remote · local (npm) · no sign-in to list tools · v0.3.0 · published by GitHub user juh5ng

Korean equity research, analyst revisions, kimchi premium and news via x402.

Changes · 10
CompareRegistry entry

16 tools: 10 change things and 6 only read.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http korea-stock-research https://k-data-x402-production.theblack1022.workers.dev/mcp

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

16 tools

Changes things 10Claude Code: ask
  • crypto_krw_tickerLive quote for one Upbit KRW market by ticker symbol (e.g.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Live quote for one Upbit KRW market by ticker symbol (e.g. BTC, ETH, XRP): price, 24h change, 24h high/low, 24h traded value in KRW. Costs $0.005 in USDC per call, settled via x402.
  • fx_usdkrwCurrent USD/KRW exchange rate (ECB reference via Frankfurter, fallback open.er-api.com).No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Current USD/KRW exchange rate (ECB reference via Frankfurter, fallback open.er-api.com). Costs $0.005 in USDC per call, settled via x402.
  • kimchi_premiumKimchi premium on two bases: premium_official_pct (official USD/KRW rate — the quoted figure) and premium_usdt_pct (Upbit KRW/USDT rate — a gross spot-price comparison using KRW/US…No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Kimchi premium on two bases: premium_official_pct (official USD/KRW rate — the quoted figure) and premium_usdt_pct (Upbit KRW/USDT rate — a gross spot-price comparison using KRW/USDT conversion, before spreads, fees, liquidity and transfer constraints). The two frequently disagree in sign. Optional ?symbols=BTC,ETH (max 10). Costs $0.03 in USDC per call, settled via x402.
  • kimchi_premium_historyTime series of the kimchi premium from the recorded archive, both bases, newest-last.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Time series of the kimchi premium from the recorded archive, both bases, newest-last. Params: ?symbol=BTC &window=1h|6h|24h|7d|30d|90d &points=500 (max 2000) &before=<next_before>. Each page is a separate paid request. Continue while has_more is true using next_before. Inspect actual archive depth and freshness through /api/preview/premium-coverage before buying. Costs $0.08 in USDC per call, settled via x402.
  • kimchi_premium_statsWhere the current kimchi premium sits inside its own recent distribution: percentile, mean, stdev, z-score, min/max/median, and a plain-language read.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Where the current kimchi premium sits inside its own recent distribution: percentile, mean, stdev, z-score, min/max/median, and a plain-language read. Answers 'is this premium unusual right now?' in one call. Built from the recorded archive; inspect actual dates and freshness with the free coverage endpoint. Params: ?symbol=BTC &window=1h|6h|24h|7d|30d|90d &basis=usdt|official. Costs $0.12 in USDC per call, settled via x402.
  • news_headlinesLatest Korean headlines from Yonhap, Maeil Business and Hankyung, deduplicated and newest-first.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Latest Korean headlines from Yonhap, Maeil Business and Hankyung, deduplicated and newest-first. Titles stay in Korean — use /api/news/headlines/en for English. Optional ?category=top|economy|tech|politics and ?limit=30 (max 100). Costs $0.01 in USDC per call, settled via x402.
  • news_headlines_enLatest Korean headlines with English translations attached (title_en), from Yonhap, Maeil Business and Hankyung — deduplicated, newest first.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Latest Korean headlines with English translations attached (title_en), from Yonhap, Maeil Business and Hankyung — deduplicated, newest first. Use this instead of the Korean-only route when the consuming agent does not read Korean. Optional ?category=top|economy|tech|politics and ?limit=20 (max 50). Costs $0.05 in USDC per call, settled via x402.
  • research_company_tickerEvery archived Korean brokerage report for one KRX ticker, newest first: target price, rating, brokerage, analyst, the Korean title with its English translation, and a one-line Eng…No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Every archived Korean brokerage report for one KRX ticker, newest first: target price, rating, brokerage, analyst, the Korean title with its English translation, and a one-line English summary. Params: ?limit=20 (max 50). Costs $0.05 in USDC per call, settled via x402.
  • research_consensus_tickerAnalyst consensus for one KRX ticker, built from the archived research history: mean/median/min/max target price across brokerages, the spread between them, the rating distribution…No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Analyst consensus for one KRX ticker, built from the archived research history: mean/median/min/max target price across brokerages, the spread between them, the rating distribution, and a revision log of every target-price and rating change each house has made. Consensus uses each house's latest view, so a weekly publisher does not outvote a quarterly one. Params: ?window=30d|90d|180d|365d (default 90d). Costs $0.12 in USDC per call, settled via x402.
  • research_latestLatest Korean brokerage equity research across all covered companies, newest first — company and KRX ticker, target price, rating, brokerage, analyst, and a one-line English summar…No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Latest Korean brokerage equity research across all covered companies, newest first — company and KRX ticker, target price, rating, brokerage, analyst, and a one-line English summary of each report. Facts and summaries only; the report PDF stays with its publisher and source_url links back to it. Optional ?limit=20 (max 50). Costs $0.02 in USDC per call, settled via x402.
Only reads 6Claude Code: allow
  • crypto_krw_marketsSnapshot of all Upbit KRW crypto markets: top by 24h traded value, top gainers, top losers.No findings

    Why it is in this group

    • The description's first verb is "snapshot": a word for reading.
    Description, as the server wrote it
    Snapshot of all Upbit KRW crypto markets: top by 24h traded value, top gainers, top losers. Optional ?limit=30 (max 100) for the volume ranking. Costs $0.01 in USDC per call, settled via x402.
  • korea_market_snapshotOne-call Korea briefing: dual-basis kimchi premium + top Upbit KRW markets + USD/KRW + latest economy headlines translated to English.No findings

    Why it is in this group

    • The name "korea_market_snapshot" says "snapshot": a word for reading.
    Description, as the server wrote it
    One-call Korea briefing: dual-basis kimchi premium + top Upbit KRW markets + USD/KRW + latest economy headlines translated to English. Everything needed for a Korea market read in a single paid request. Costs $0.08 in USDC per call, settled via x402.
  • preview_kimchi_premiumFree live BTC-only sample of the dual-basis kimchi premium.No findings

    Why it is in this group

    • The name "preview_kimchi_premium" says "preview": a word for reading.
    Description, as the server wrote it
    Free live BTC-only sample of the dual-basis kimchi premium. Use the paid endpoint for up to 10 symbols.
  • preview_premium_coverageFree archive coverage and freshness for each recorded coin.No findings

    Why it is in this group

    • The name "preview_premium_coverage" says "preview": a word for reading.
    Description, as the server wrote it
    Free archive coverage and freshness for each recorded coin. Check sample count, first and latest timestamps, and stale flag before buying premium statistics or history.
  • preview_researchFree, date-stamped archive-depth check for one 6-digit KRX ticker.No findings

    Why it is in this group

    • The name "preview_research" says "preview": a word for reading.
    Description, as the server wrote it
    Free, date-stamped archive-depth check for one 6-digit KRX ticker. Shows report and brokerage counts, not report content or consensus.
  • preview_research_coverageFree, date-stamped KRX research coverage.No findings

    Why it is in this group

    • The name "preview_research_coverage" says "preview": a word for reading.
    Description, as the server wrote it
    Free, date-stamped KRX research coverage. Lists the most-covered tickers with report count, brokerage count, and archive date range; it does not reveal report content.

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 0.3.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http korea-stock-research https://k-data-x402-production.theblack1022.workers.dev/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__korea-stock-research__preview_premium_coverage",
      "mcp__korea-stock-research__preview_research_coverage",
      "mcp__korea-stock-research__preview_research",
      "mcp__korea-stock-research__preview_kimchi_premium",
      "mcp__korea-stock-research__korea_market_snapshot",
      "mcp__korea-stock-research__crypto_krw_markets"
    ],
    "ask": [
      "mcp__korea-stock-research__kimchi_premium",
      "mcp__korea-stock-research__kimchi_premium_stats",
      "mcp__korea-stock-research__kimchi_premium_history",
      "mcp__korea-stock-research__research_consensus_ticker",
      "mcp__korea-stock-research__research_company_ticker",
      "mcp__korea-stock-research__research_latest",
      "mcp__korea-stock-research__news_headlines_en",
      "mcp__korea-stock-research__news_headlines",
      "mcp__korea-stock-research__crypto_krw_ticker",
      "mcp__korea-stock-research__fx_usdkrw"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as korea-stock-research. Review it before you use it.