MCP endpoint / 接続手順

Connect HORIZON SHIELD KIRA

An independent, pre-transaction auditor for Japanese construction and renovation estimates, exposed over the Model Context Protocol. Add the endpoint below to your MCP client and call it directly.

Endpoint
https://mcp.horizonshield.dev

Transport

Streamable HTTP

Auth

None (anonymous)

Server

KIRA v1.0.0

01 Add to Claude

Claude に追加する

Add it as a custom connector, or drop it into your client config. No API key is required.

  1. Settings → Connectors を開き、Add custom connector を選ぶ。
  2. URL に https://mcp.horizonshield.dev を貼り、保存する。認証は不要。
  3. 接続後、ツール一覧が自動で出る(相場照会・見積監査・危険文言検出など)。
// client config (Streamable HTTP MCP, no auth)
{
  "mcpServers": {
    "horizon-shield": {
      "url": "https://mcp.horizonshield.dev",
      "transport": "http"
    }
  }
}

02 Add to ChatGPT

ChatGPT に追加する

Already published as the ChatGPT app Check Japan reform estimates. Search it in ChatGPT, or add the endpoint as a custom MCP connector in Developer mode.

03 What it does

できること

Buyer-side, referral-fee-free. Prices in JPY, matched against the JCCDB open cost database.

Estimate integrity audit

見積もりの誠実性監査。1行ずつ相場と照合し、盛り・欠落・危険な文言を検出する。

Fair price range

相場照会。工事名から適正価格の幅を返す(地域係数つき)。

Verified contractor lookup

検証を通った加盟店だけを返す(Yakumo、紹介料なし、0件は0件)。

Integrity claim verification

発行済みクレームの第三者検証。fail closed。verified は改ざんなしの証明。

Scope. Japan only, prices in JPY. Japanese work names match best (English and romaji are mapped and the mapping is disclosed). When candidates disagree, the server returns ambiguous instead of guessing.

04 Verify us

こちらを検証する

You do not have to trust HORIZON SHIELD. Fetch the bytes, recompute the hash, check the timestamp. These are public and machine-readable.

Agent cardA2A discovery document/.well-known/agent-card.json
Verification contractwhat the server promises, machine-readable/.well-known/verification-contract.json
JIDEC public ledgerBitcoin-anchored verification recordsledger.horizonshield.dev