ALGO BIZ: Japan towns, jobs and industries

com.yy-algo/japan-datayy-algo.comstreamable-httpv0.1.1Scanned 1 hour ago

Japanese government statistics: 1,889 municipalities, job-openings ratios, 62 industries.

5 tools: 2 change things and 3 only read.

Reads private data · 0
Reads text others write · 0
Can send data out · 0
No findings

Anlyon alternative

2 of these tools change something. Run those as governed actions.

Declare what an action changes, and Anlyon puts it under a shared limit, binds every approval to the exact request, and grades the outcome. It works on any HTTPS API you can describe as an action.

Anlyon does not run, proxy or govern this MCP server. A tool your own code calls directly is not routed through Anlyon and is not governed by it.

Import an OpenAPI spec →

Tools

Grouped by what each tool does, most consequential first. Open one for its reasons and full description; descriptions are the publisher's own words.

5 tools

Changes things 2Creates or changes something that can be changed back.Claude Code: ask

about_dataこのデータの出どころ（国の統計の名前）・範囲・読み方の注意。No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it
このデータの出どころ（国の統計の名前）・範囲・読み方の注意。
job_openingsハローワークの有効求人倍率（2025 年度・厚生労働省「一般職業紹介状況」）。暮らしに身近な 23 の仕事 × 47 都道府県。都道府県だけ書けばその県の 23 の仕事、仕事だけ書けば 47 都道府県の高い順、両方なら一つの数と全国の中の順位。No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
Description, as the server wrote it
ハローワークの有効求人倍率（2025 年度・厚生労働省「一般職業紹介状況」）。暮らしに身近な 23 の仕事 × 47 都道府県。都道府県だけ書けばその県の 23 の仕事、仕事だけ書けば 47 都道府県の高い順、両方なら一つの数と全国の中の順位。

Only reads 3Looks things up and changes nothing.Show 3 read-only tools

get_industry業種ごとの数（全国）：主な仕事の求人倍率（2023〜2025 年度）・主な職種の賃金（令和 7 年賃金構造基本統計調査）・都道府県ごとの倍率と賃金と最低賃金との比べ・会社の大きさごとの売上に占める人件費と利益率（財務省法人企業統計 2025 年度）。No findings
Why it is in this group
- The name "get_industry" says "get": a word for reading.
Description, as the server wrote it
業種ごとの数（全国）：主な仕事の求人倍率（2023〜2025 年度）・主な職種の賃金（令和 7 年賃金構造基本統計調査）・都道府県ごとの倍率と賃金と最低賃金との比べ・会社の大きさごとの売上に占める人件費と利益率（財務省法人企業統計 2025 年度）。
get_town日本の市区町村（全国 1,889・政令市は区ごと）の数を返す：人口（住民基本台帳 2026 年 1 月 1 日）・5 年の増減・65 歳以上の割合・2050 年の推計人口（社人研）・商売の分類の数（経済センサス令和 3 年の産業小分類）・その人口なら半分以上の町にあるのにこの町に無い分類・この町に 1 か所だけある分類。名前が同じ町が複数あれば候補を返す。No findings
Why it is in this group
- The name "get_town" says "get": a word for reading.
Description, as the server wrote it
日本の市区町村（全国 1,889・政令市は区ごと）の数を返す：人口（住民基本台帳 2026 年 1 月 1 日）・5 年の増減・65 歳以上の割合・2050 年の推計人口（社人研）・商売の分類の数（経済センサス令和 3 年の産業小分類）・その人口なら半分以上の町にあるのにこの町に無い分類・この町に 1 か所だけある分類。名前が同じ町が複数あれば候補を返す。
list_industriesALGO BIZ の業種のページ 62 の一覧（名前・副題・ページの住所）。No findings
Why it is in this group
- The name "list_industries" says "list": a word for reading.
Description, as the server wrote it
ALGO BIZ の業種のページ 62 の一覧（名前・副題・ページの住所）。

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Exfil surface

Which tools read private data, which read text someone else can write, and which can send data out. One of each is a path a prompt injection can use.

No private-data, untrusted-input, outbound path in this server alone: no tool is tagged private-data or untrusted-input or outbound.

Reads private data0: Reads files, mail, messages, databases, secrets, calendars or repositories.
Reads text others write0: Brings in text someone else can write: web pages, inbound email, messages, issues and comments.
Can send data out0: Can carry data to people or systems: it sends, posts or publishes, or takes a recipient, channel or URL.

Other servers in the same agent add their own tools to these paths. Audit your whole setup to see them together.

Findings

Matches of fixed checks, with the text they matched.

No check matched anything in these tool definitions. That is not a safety guarantee.

History

Changes to its tool definitions and to its remote endpoint, newest first.

No change seen yet. Its tools are rescanned every day, and a remote endpoint is looked at once a week.

All changes to this server

Install

Pinned to version 0.1.1. Values in angle brackets are yours to fill in.

claude mcp add --transport http japan-data https://yy-algo.com/mcp/

claude mcp add --transport http japan-data https://yy-algo.com/mcp/

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change or a way out, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json

{
  "permissions": {
    "allow": [
      "mcp__japan-data__get_town",
      "mcp__japan-data__list_industries",
      "mcp__japan-data__get_industry"
    ],
    "ask": [
      "mcp__japan-data__job_openings",
      "mcp__japan-data__about_data"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. A read that can send data out (it takes a URL, say) asks first too. It assumes the server is installed as japan-data. Review it before you use it.

Keep the decision: fail CI when the tools change, follow every change, or show a badge.

Pin in CI

Fail a build when the tools you reviewed are not the tools the server serves today.

curl -s "https://anlyon.dev/api/v1/servers/com.yy-algo/japan-data/verify?hash=abf65fd8e39dba1cf2589415bf75495e4b384f6c7d9082d487fc0f8ec7908a88" | jq -e '.changed == false'

Pinned hash abf65fd8e39d, from Oct 25, 2026, 20:23 UTC.

Watch

Get told when its tools change: a new tool, a new description, a new class.

https://anlyon.dev/servers/com.yy-algo/japan-data/changes.xml

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Badge

[![anlyon.dev](https://anlyon.dev/badge/com.yy-algo/japan-data.svg)](https://anlyon.dev/servers/com.yy-algo/japan-data)

Source: MCP Registry. Synced Oct 25, 2026, 21:17 UTC.