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

answering

K-Data — Korean Sell-Side Research & Market Data is answering right now. Last checked 16 min ago. 77 installs a week from npm. It exposes 12 tools. Last commit 6 Sep 2026.

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

Installs per day peak 252 · avg 24 · +371% w/w
a month agotoday
Uptime history 12 days of history
12 days agonow
100.0%
Uptime 24h
91 of 91 checks
12
Tools
read from the server
193 ms
Response time
average over 24h
77
Installs / week
npm and PyPI

Nothing serious here today

Today is the operative word: we check K-Data — Korean Sell-Side Research & Market Data every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

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 16 min ago.

run in your terminal
claude mcp add korea-stock-research-mcp --transport http https://k-data-x402-production.theblack1022.workers.dev/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "korea-stock-research-mcp": {
      "url": "https://k-data-x402-production.theblack1022.workers.dev/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.korea-stock-research-mcp]
url = "https://k-data-x402-production.theblack1022.workers.dev/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "korea-stock-research-mcp": {
      "url": "https://k-data-x402-production.theblack1022.workers.dev/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "korea-stock-research-mcp": {
      "url": "https://k-data-x402-production.theblack1022.workers.dev/mcp"
    }
  }
}

This one needs environment variables set before it will start: K_DATA_PRIVATE_KEY (Private key of a dedicated wallet holding USDC on Base. Each tool call spends from it. No ETH needed - x402 settles off-chain and the facilitator pays gas.), K_DATA_MAX_SPEND_USD (Hard cap on cumulative spend for the session. The server refuses any call that would exceed it.), K_DATA_BASE_URL (Point at a different K-Data deployment.). The author declared them in the registry entry; get the values from the project itself.

Available tools 12

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

kimchi
kimchi_premium
Kimchi premium on two bases: premium_official_pct (official USD/KRW rate — the quoted figure) and premium_usdt_pct (Upbit KRW/USDT rate — the margin actually realizable, since the KRW exit leg goes through USDT rather than banks). The two frequently disagree in sign. Optional ?symbols=BTC,ETH (max 10). Costs $0.03 in USDC per call, settled via x402.
kimchi_premium_history
Time series of the kimchi premium from the continuous archive, both bases, newest-last. Params: ?symbol=BTC &window=1h|6h|24h|7d|30d|90d &points=500 (max 2000). Archive depth is reported as first_recorded. Costs $0.08 in USDC per call, settled via x402.
kimchi_premium_stats
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 a continuous archive that cannot be reconstructed from any free source. Params: ?symbol=BTC &window=1h|6h|24h|7d|30d|90d &basis=usdt|official. Costs $0.12 in USDC per call, settled via x402.
research
research_company_ticker
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_ticker
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_latest
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.
crypto
crypto_krw_markets
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.
crypto_krw_ticker
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.
news
news_headlines
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_en
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.
korea
korea_market_snapshot
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.
usdkrw
fx_usdkrw
Current USD/KRW exchange rate (ECB reference via Frankfurter, fallback open.er-api.com). Costs $0.005 in USDC per call, settled via x402.

Endpoints

URLTransportStateLatencyChecked
https://k-data-x402-production.theblack1022.workers.dev/mcp streamable-http answering 257 ms 16 min ago

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

Answers built from our own checks of this server.

What can K-Data — Korean Sell-Side Research & Market Data do?
It exposes 12 tools, read directly from the server on our last check. Among them: crypto_krw_markets, crypto_krw_ticker, fx_usdkrw, kimchi_premium, kimchi_premium_history, kimchi_premium_stats and 6 more. 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 →
What is K-Data — Korean Sell-Side Research & Market Data mostly used for?
Its tools cluster around kimchi, research and crypto. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.
Is K-Data — Korean Sell-Side Research & Market Data 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 193 ms. The bar chart above shows every period we have measured.
How do I connect K-Data — Korean Sell-Side Research & Market Data?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does K-Data — Korean Sell-Side Research & Market Data need an API key?
No. K-Data — Korean Sell-Side Research & Market Data completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 12 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is K-Data — Korean Sell-Side Research & Market Data?
It answers our handshake in 193 ms on average, which is faster than 67% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
How many people use K-Data — Korean Sell-Side Research & Market Data?
The npm package k-data-mcp was installed 77 times in the last week. Week over week that is +371%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is K-Data — Korean Sell-Side Research & Market Data open source?
Yes — it is published under the MIT licence, written in TypeScript, 0 stars on GitHub and 1 open issue. The source link is on this page, so you can read exactly what it does with your data before you connect it.