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Korea Company Data MCP Server

by lichtsalz Your server? Claim it
answering

Korea Company Data is answering right now. Last checked moments ago. 83 installs a week from npm. Last commit 15 Sep 2026.

Korean company identity, registration status and monthly payroll-based employment, in English.

Installs per day peak 18 · avg 7 · +54% w/w
a month agotoday
Uptime history 76 days of history · worst day 0%
76 days agonow
100.0%
Uptime 24h
92 of 92 checks
—
Tools
hidden behind auth
225 ms
Response time
average over 24h
83
Installs / week
npm and PyPI

Nothing serious here today

Today is the operative word: we check Korea Company 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 0 min ago.

run in your terminal
claude mcp add korea-data --transport http https://notonlystock.com/korea/mcp
Settings → Connectors → Add custom connector, then paste this address
https://notonlystock.com/korea/mcp
~/.codex/config.toml
[mcp_servers.korea-data]
url = "https://notonlystock.com/korea/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "korea-data": {
      "url": "https://notonlystock.com/korea/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "korea-data": {
      "type": "http",
      "url": "https://notonlystock.com/korea/mcp"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, but it did not say what kind of credentials it expects.

Endpoints

URLTransportStateLatencyChecked
https://notonlystock.com/korea/mcp streamable-http needs auth 218 ms 0 min ago

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Korea Company Data — questions

Answers built from our own checks of this server.

Why is there no tool list for Korea Company Data?
The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 100.0% of checks in the last 24 hours got a reply.
Is Korea Company Data working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 225 ms. The bar chart above shows every period we have measured.
How do I connect Korea Company Data?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You will need your own credentials: it refuses anonymous clients.
Does Korea Company Data need an API key?
Yes. Every time we knock, Korea Company Data answers with an authorization challenge instead of its tool list — that is how we know it is running and gated rather than broken. Bring your own credentials and it will talk.
How fast is Korea Company Data?
It answers our handshake in 225 ms on average, which is faster than 61% 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 Korea Company Data?
The npm package korea-data-mcp was installed 83 times in the last week. Week over week that is +54%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Korea Company Data open source?
The code is open source: it is published under the MIT licence, written in JavaScript and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at notonlystock.com, which runs on its operator's own terms.