不動産競売構造化データハブ — Japan real-estate auctions MCP server

Japanese court-run real-estate auction registry (BIT, bit.courts.go.jp) re-published as a structured Remote MCP server.

Connect

Remote MCP endpoint (Streamable HTTP):

https://keibai-hub.com/mcp-auctions

Add to your mcp_servers config:

{
  "keibai-hub": {
    "url": "https://keibai-hub.com/mcp-auctions"
  }
}

Tool	Description
`search_auctions`	Search by keyword (Japanese FTS over title/address) / prefecture / court_code / property_type / price range / bid_period_only
`get_auction_detail`	Fetch one auction by case_id (e.g. `bit_00000078922`) — returns case_number, court, price, bid period, photos, etc.
`list_upcoming_sales`	List auctions whose opening_date falls within the next N days (default 14, max 90)
`get_court_directory`	Look up a Japanese district court (本庁 or 支部) by code
`find_practitioner_for_auction`	Returns 司法書士 / 弁護士 / 不動産鑑定士 / 土地家屋調査士 federation directories for a given auction stage (post_acquisition / pre_bid / eviction / boundary_dispute)

Source: BIT (https://www.bit.courts.go.jp/, 最高裁判所) under 民事執行法 64 条 5 項公示原則
Structuring layer license: CC BY 4.0 — attribute the canonical _canonical URL of each record
This service is information-only and does not act as a paid intermediary
BIT URLs are session-bound; use the bit_lookup_hint field (case_number) to search BIT manually

If you prefer plain HTTP without MCP:

GET https://keibai-hub.com/api/auctions/search?prefecture=東京都&limit=20
GET https://keibai-hub.com/api/auctions/{case_id}
GET https://keibai-hub.com/api/auctions/{case_id}.md (Markdown variant, token-efficient)
GET https://keibai-hub.com/api/auctions/coverage
GET https://keibai-hub.com/api/auctions/upcoming?days_ahead=14
GET https://keibai-hub.com/.well-known/coverage-auctions.json
GET https://keibai-hub.com/llms.txt

Issues and feature requests via GitHub issues.

MIT (this repository's metadata only — the auction data carries CC BY 4.0).