Keibai Hub MCP Server

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.

• ~1,480 active auctions
• 46 prefectures
• 110+ district courts and branches
• Updated twice daily (06:07 / 18:07 JST)

Connect

Remote MCP endpoint (Streamable HTTP):

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

Claude Desktop / Cursor / Cline

Add to your mcp_servers config:

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

Smithery one-click

Tools (5)

Data sources & license

• 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

REST API (no MCP)

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

Contact

Issues and feature requests via GitHub issues.

License

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