Japan Address & Geocoding MCP Server

by fujimura-ui Your server? Claim it

not responding

Japan Address & Geocoding is listed as active in the registry but did not answer our last check.

Japanese address search and geocoding (official address registry): postal codes and coordinates.

Uptime history 51 days of history · worst day 0%

51 days agonow

0.0%

Uptime 24h

0 of 182 checks

—

Tools

hidden behind auth

55 ms

Response time

average over 24h

open, no key

Access

streamable-http

Japan Address & Geocoding does not always answer

Over the last week it answered 0.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 6 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add japan-address-geocoding-mcp --transport http https://jusho-mcp.plus-synergy.workers.dev/mcp

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

{
  "mcpServers": {
    "japan-address-geocoding-mcp": {
      "url": "https://jusho-mcp.plus-synergy.workers.dev/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.japan-address-geocoding-mcp]
url = "https://jusho-mcp.plus-synergy.workers.dev/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "japan-address-geocoding-mcp": {
      "url": "https://jusho-mcp.plus-synergy.workers.dev/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "japan-address-geocoding-mcp": {
      "url": "https://jusho-mcp.plus-synergy.workers.dev/mcp"
    }
  }
}

This server publishes 1 more address. The block above uses the one we reach during checks; the full list is under Endpoints below, and the author may intend a particular one for your client.

Endpoints

URL	Transport	State	Latency	Checked
https://jusho-mcp.plus-synergy.workers.dev/mcp	streamable-http	answering	55 ms	6 min ago
https://jusho-mcp.plus-synergy.workers.dev/sse	sse	answering	56 ms	6 min ago

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Japan Address & Geocoding — questions

Answers built from our own checks of this server.

Is Japan Address & Geocoding working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 0 of 182 checks got a reply (0.0%), average response time 55 ms. The bar chart above shows every period we have measured.

The registry lists Japan Address & Geocoding as active — why does it not respond?

The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.

How do I connect Japan Address & Geocoding?

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 Japan Address & Geocoding need an API key?

No. Japan Address & Geocoding completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. This is what we observed, not what the docs claim.