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HORIZON SHIELD YAKUMO (verified contractor directory) MCP Server

answering

HORIZON SHIELD YAKUMO (verified contractor directory) is answering right now. Last checked 12 min ago. It exposes 6 tools. Last commit 2 Nov 2026.

Neutral, verification-gated MCP directory of Japan construction contractors (KIRA-audited).

Uptime history 90 days of history · worst day 50%
90 days agonow
100.0%
Uptime 24h
182 of 182 checks
6
Tools
read from the server
103 ms
Response time
average over 24h
2
Stars
last commit 2 Nov 2026

What changed 9

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 19 August 2026. No other catalogue keeps this.

13 Oct a tool changed version4 times that day
4 Sep a tool changed version2 times that day
19 Aug a tool changed version2 times that day
19 Aug a tool appeared check_named_contractor
and 5 more, back to 19 August 2026

What the code does

We read the source, 23 h ago · tools taken from the live server · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

        r = subprocess.run(["node", "--check", tf.name], capture_output=True, text=True)
Runs an external command ops/no_swallowed_read.mjs:106
  const r = spawnSync(process.execPath, ["--expose-internals", ...process.execArgv, script, ...process.argv.slice(2)], { stdio: "inherit" });
Executes code built at runtime tools/jcs_conformance.mjs:35
const canonicalJson = new Function(m[0] + "; return canonicalJson;")();
Executes code built at runtime tools/us_teardown_series.py:779
        val = eval(expr, {"__builtins__": {}})
  document.getElementById('main').innerHTML = fns[state.tab]();
  for (const f of fs.readdirSync(feedDir)) {
<script src="https://www.paypal.com/sdk/js?client-id=AVePXfDeP_YDUgmcFEJNjFHuYkbXZ-VQcLEecJs5Li2la9qDbtZJamy-iXzTxWlPdUODt6KNV3nqUKHP&currency=JPY&locale=ja_JP"></script>
env = dict(os.environ, GIT_OPTIONAL_LOCKS="0")
Sends data to a third-party sink tools/adoption/count_adoption.py:96
    "dl.dropboxusercontent.com", "pastebin.com", "web.archive.org",
In the project's build, not in the package

Found in continuous integration, deployment or infrastructure files, or in a neighbouring package of the same monorepo. None of this is installed when you add the server: it describes how the project is built and released. We list it because a leaked key in a build pipeline is still a real problem, but it is not something this server does on your machine.

            curl -s -X POST -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" -H "Accept: application/vnd.github+json" https://api.github.com/repos/${{ github.repository }}/actions/workflows/static.yml/dispatches -d '{"ref":"main"}'

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

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 12 min ago.

run in your terminal
claude mcp add hs-hearing --transport http https://hs-hearing.oga-surf-project.workers.dev/mcp
Settings → Connectors → Add custom connector, then paste this address
https://hs-hearing.oga-surf-project.workers.dev/mcp
~/.codex/config.toml
[mcp_servers.hs-hearing]
url = "https://hs-hearing.oga-surf-project.workers.dev/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "hs-hearing": {
      "url": "https://hs-hearing.oga-surf-project.workers.dev/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "hs-hearing": {
      "type": "http",
      "url": "https://hs-hearing.oga-surf-project.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 6

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

contractor
find_contractor
施主の相談文(自由記述)から Yakumo の検証済み加盟店を探す司令塔。need(例:『愛知県で外壁塗装できる信頼できる業者』)を渡すと地域と工種を推定し、検証を通過した店を返す。該当が無ければ相場(souba)や無料の第三者チェック(EHN)への導線を返す。金額は返さない(スコア・ティアのみ)。紹介料なし・verified-first・Japan only。
get_contractor_profile
Yakumo の加盟店1件の検証済みプロフィールを返す。member_no(例 No.001)で指定。会社名・地域・対応工種・適正度スコア・誠実度ティア・検証状態・プロフィールURLを返す。金額は含まない。検証が済んでいない店は verification:'pending' を返す(スコアは出さない=fail-closed)。
how
how_verification_works
Yakumo の掲載審査(KIRA適正診断)がどう機能するかを返す。適正価格の検証・過剰請求の赤旗検出・適正度スコアと誠実度ティア・再計算できる署名レシート(SHA-256)・掲載後の継続監視・fail-closed(通らない店は施主向けに一切出さない)・中立(紹介料なし)。施主が『検証済み』の意味を理解するための説明。
mall
mall_overview
Yakumo モール全体の要約を返す。検証済み加盟店の数・対応工種カテゴリ・地域・検証の仕組みの要点・主要リンク(モール/加盟/相場/実例ボード)。AIが Yakumo というモール/MCP を一言で説明するための入口。金額は含まない。
named
check_named_contractor
施主が名前を挙げた業者について答える。Yakumoの加盟店ならその測定結果を返す。加盟していない場合、その会社の良し悪しは一切判定せず、『Yakumoは測っていない』という事実だけを返し、施主が自分で確かめられる公的な照会先(国土交通省の建設業者検索・国民生活センター・住まいるダイヤル)と、同条件の検証済み加盟店を返す。掲載が無いことはその会社への評価ではない。金額は返さない。紹介料なし。Japan only。
verified
list_verified_stores
Yakumo モールで検証を通過した加盟店(工務店・リフォーム店)を一覧する。適正価格の検証と過剰請求チェック(KIRA)を通過した店だけが返る。area(地名)や work(工種)で絞り込める。返り値は member_no / 会社名 / 地域 / 対応工種 / 適正度スコア / 誠実度ティア / プロフィールURL。金額は含まない(スコアとティアのみ)。検証手続き中の店は verification:'pending' として区別される。Japan only.

Endpoints

URLTransportStateLatencyChecked
https://hs-hearing.oga-surf-project.workers.dev/mcp streamable-http answering 58 ms 12 min ago
https://hearing.horizonshield.dev/mcp streamable-http answering 46 ms 12 min ago

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HORIZON SHIELD YAKUMO (verified contractor directory) — questions

Answers built from our own checks of this server.

What can HORIZON SHIELD YAKUMO (verified contractor directory) do?
It exposes 6 tools, read directly from the server on our last check. Among them: check_named_contractor, find_contractor, get_contractor_profile, how_verification_works, list_verified_stores, mall_overview. 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 HORIZON SHIELD YAKUMO (verified contractor directory) working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 182 of 182 checks got a reply (100.0%), average response time 103 ms. The bar chart above shows every period we have measured.
How do I connect HORIZON SHIELD YAKUMO (verified contractor directory)?
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.
Does HORIZON SHIELD YAKUMO (verified contractor directory) need an API key?
No. HORIZON SHIELD YAKUMO (verified contractor directory) completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 6 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is HORIZON SHIELD YAKUMO (verified contractor directory)?
It answers our handshake in 103 ms on average, which is faster than 92% 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.
Is HORIZON SHIELD YAKUMO (verified contractor directory) open source?
The code is open source: it is published under the MIT licence, written in HTML, 2 stars on GitHub and 27 open issues. The licence covers the code in the repository, not the hosted service at hs-hearing.oga-surf-project.workers.dev, which runs on its operator's own terms.