Japan Website Intelligence MCP Server

by adson-japan-data Your server? Claim it

answering

Japan Website Intelligence is answering right now. Last checked 3 min ago.

Website company, contact, hiring and social links. 20 free daily lookups; prepaid keys for AI.

Uptime history 10 days of history

10 days agonow

100.0%

Uptime 24h

92 of 92 checks

—

Tools

hidden behind auth

75 ms

Response time

average over 24h

authentication required

Access

streamable-http

Nothing serious here today

Today is the operative word: we check Japan Website Intelligence every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 3 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add website-intelligence --transport http https://japan-data.adson.jp/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "website-intelligence": {
      "url": "https://japan-data.adson.jp/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.website-intelligence]
url = "https://japan-data.adson.jp/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "website-intelligence": {
      "url": "https://japan-data.adson.jp/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "website-intelligence": {
      "url": "https://japan-data.adson.jp/mcp"
    }
  }
}

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

Endpoints

URL	Transport	State	Latency	Checked
https://japan-data.adson.jp/mcp	streamable-http	needs auth	78 ms	3 min ago

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Japan Website Intelligence — questions

Answers built from our own checks of this server.

Why is there no tool list for Japan Website Intelligence?

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 Japan Website Intelligence 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 75 ms. The bar chart above shows every period we have measured.

How do I connect Japan Website Intelligence?

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. You will need your own credentials: it refuses anonymous clients.

Does Japan Website Intelligence need an API key?

Yes. Every time we knock, Japan Website Intelligence 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 Japan Website Intelligence?

It answers our handshake in 75 ms on average, which is faster than 91% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.