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.
Should I use this
Quality & Safety
Findings (1)
- LOWTool 'get_court_directory' description lacks action verbin get_court_directory
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"keibai-hub-mcp": {
"url": "https://keibai-hub.com/mcp-auctions"
}
}
}Remote endpoints
https://keibai-hub.com/mcp-auctionsstreamable-httpWhat it can do
Tool inventory
Tools (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.
Input Schema
{
"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"withdrawn",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,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢get_auction_detail(case_id)
一件の競売物件の構造化データを取得. Fetch one auction by case_id (e.g. "bit_00000078922"). Returns case_number, court_code, property_type, sale_base_price_jpy, bid_floor_jpy (= base × 80%), deposit_jpy, bid_period, opening_date, address, photos, and _canonical (cite this).
Input Schema
{
"type": "object",
"properties": {
"case_id": {
"type": "string",
"minLength": 1,
"description": "Auction case id, e.g. \"bit_00000078922\""
}
},
"required": [
"case_id"
],
"additionalProperties": false,
"$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.
Input Schema
{
"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,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢get_court_directory(court_code)
裁判所の管轄・連絡先情報を取得. Look up a Japanese district court (本庁 or 支部) by code.
Input Schema
{
"type": "object",
"properties": {
"court_code": {
"type": "string",
"minLength": 1,
"description": "Court slug (e.g. \"tokyo_main\") OR BIT 5-digit ID (e.g. \"31111\")"
}
},
"required": [
"court_code"
],
"additionalProperties": false,
"$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.
Input Schema
{
"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#"
}Community
Evidence