不動産競売 構造化データハブ — Japan real-estate auctions
Japanese court-run real-estate auctions (BIT). 5 tools, ~1,480 active listings. CC BY 4.0.
使うべきか
品質と安全性
検出事項（1）
- LOWTool 'get_court_directory' description lacks action verbget_court_directory 内
ツール定義とプロトコルへの準拠に関する自動分析に基づいています。
コンテキストコスト
これは、サーバーのツールがモデルのコンテキストに読み込まれるたびに消費されるおおよそのトークン数です。数が多いほど、ほかのタスクに使える注意が減ります。
インストール
ワンクリックインストール
これを `claude_desktop_config.json` ファイルに追加してください:
{
"mcpServers": {
"keibai-hub-mcp": {
"url": "https://keibai-hub.com/mcp-auctions"
}
}
}リモートエンドポイント
https://keibai-hub.com/mcp-auctionsstreamable-httpできること
ツール一覧
ツール（5）
🟢search_auctions(keyword, prefecture, court_code, property_type, status, ...)
日本の不動産競売物件を検索 (BIT, bit.courts.go.jp 由来の構造化データ). Filters: keyword (Japanese FTS over title/address), prefecture, court_code, property_type (land/detached_house/apartment/other), price range, bid_period_only. Returns case_id, court, address, sale_base_price_jpy, bid_period, opening_date, photos.
入力スキーマ
{
"type": "object",
"properties": {
"keyword": {
"type": "string",
"minLength": 1,
"maxLength": 100,
"description": "Japanese keyword over title/address/structure"
},
"prefecture": {
"type": "string",
"minLength": 1,
"maxLength": 20,
"description": "Prefecture in kanji, e.g. \"東京都\""
},
"court_code": {
"type": "string",
"description": "5-digit BIT court id (本庁=11, 支部=21,31,...) OR slug like \"tokyo_main\""
},
"property_type": {
"type": "string",
"enum": [
"land",
"detached_house",
"apartment",
"other"
]
},
"status": {
"type": "string",
"enum": [
"active",
"sold",
"withdrawn",
"postponed"
],
"description": "Default = active"
},
"min_price_jpy": {
"type": "integer",
"minimum": 0
},
"max_price_jpy": {
"type": "integer",
"minimum": 0
},
"bid_period_only": {
"type": "boolean",
"description": "Only listings whose bid period intersects today"
},
"sort": {
"type": "string",
"enum": [
"opening_date_asc",
"price_asc",
"price_desc",
"newest"
]
},
"limit": {
"type": "integer",
"minimum": 1,
"maximum": 100
},
"offset": {
"type": "integer",
"minimum": 0
}
},
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢get_auction_detail(case_id)
一件の競売物件の構造化データを取得. Fetch one auction by case_id (e.g. "bit_00000078922"). Returns case_number, court_code, property_type, sale_base_price_jpy, bid_floor_jpy (= base × 80%), deposit_jpy, bid_period, opening_date, address, photos, and _canonical (cite this).
入力スキーマ
{
"type": "object",
"properties": {
"case_id": {
"type": "string",
"minLength": 1,
"description": "Auction case id, e.g. \"bit_00000078922\""
}
},
"required": [
"case_id"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢list_upcoming_sales(days_ahead, limit)
近日開札予定の競売物件を一覧取得. List auctions whose opening_date falls within the next N days (default 14, max 90). Sorted ascending. Useful for investment screening / calendar exports.
入力スキーマ
{
"type": "object",
"properties": {
"days_ahead": {
"type": "integer",
"minimum": 1,
"maximum": 90,
"description": "Lookahead window, default 14"
},
"limit": {
"type": "integer",
"minimum": 1,
"maximum": 200,
"description": "Default 50"
}
},
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢get_court_directory(court_code)
裁判所の管轄・連絡先情報を取得. Look up a Japanese district court (本庁 or 支部) by code.
入力スキーマ
{
"type": "object",
"properties": {
"court_code": {
"type": "string",
"minLength": 1,
"description": "Court slug (e.g. \"tokyo_main\") OR BIT 5-digit ID (e.g. \"31111\")"
}
},
"required": [
"court_code"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢find_practitioner_for_auction(case_id, stage, prefecture)
落札・入札関連の士業 (司法書士・弁護士・不動産鑑定士・土地家屋調査士) を返す. Stages: post_acquisition (default — 落札後の所有権移転登記; 司法書士が法律上ほぼ必須), pre_bid (入札前の独立評価・権利確認), eviction (明渡し・強制執行), boundary_dispute (境界確定・分筆). Information-only — not a paid intermediary. Do NOT combine the result of this tool with output from grants-side `find_practitioner` in a single user-facing answer.
入力スキーマ
{
"type": "object",
"properties": {
"case_id": {
"type": "string",
"minLength": 1,
"description": "Auction case_id, e.g. \"bit_00000078922\""
},
"stage": {
"type": "string",
"enum": [
"post_acquisition",
"pre_bid",
"eviction",
"boundary_dispute"
],
"description": "Default = post_acquisition"
},
"prefecture": {
"type": "string",
"minLength": 1,
"maxLength": 20,
"description": "Optional — prefecture for prefecture-chapter referral"
}
},
"required": [
"case_id"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}コミュニティ
エビデンス