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Japan Address & Geocoding MCP Server

not responding

Japan Address & Geocoding is listed as active in the registry but did not answer our last check. It exposes 3 tools.

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
3
Tools
read from the server
93 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.

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 7 min ago.

run in your terminal
claude mcp add japan-address-geocoding-mcp --transport http https://jusho-mcp.easakura.workers.dev/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "japan-address-geocoding-mcp": {
      "url": "https://jusho-mcp.easakura.workers.dev/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.japan-address-geocoding-mcp]
url = "https://jusho-mcp.easakura.workers.dev/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "japan-address-geocoding-mcp": {
      "url": "https://jusho-mcp.easakura.workers.dev/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "japan-address-geocoding-mcp": {
      "url": "https://jusho-mcp.easakura.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.

Available tools 3

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

geocode
geocode_address
日本の住所文字列から緯度経度と正規化された住所表記を取得する(国土地理院公式)。地図表示・距離計算・配送エリア判定などに使う。
reverse
reverse_geocode
緯度経度から日本の住所(都道府県・市区町村・町丁目)を取得する(国土地理院公式)。
zipcode
zipcode_to_address
日本の郵便番号(7桁)から住所(都道府県・市区町村・町域、ふりがな付き)を取得する。フォーム入力支援・住所データクレンジングに使う。

Endpoints

URLTransportStateLatencyChecked
https://jusho-mcp.easakura.workers.dev/mcp streamable-http answering 93 ms 7 min ago
https://jusho-mcp.easakura.workers.dev/sse sse answering 62 ms 7 min ago

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Japan Address & Geocoding — questions

Answers built from our own checks of this server.

What can Japan Address & Geocoding do?
It exposes 3 tools, read directly from the server on our last check. Among them: geocode_address, reverse_geocode, zipcode_to_address. 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 →
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 93 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. All 3 of them are readable on this page. This is what we observed, not what the docs claim.