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.
Open source Repository Open in the app JSON README (API)
About
Japanese court-run real-estate auctions (BIT). 5 tools, ~1,480 active listings. CC BY 4.0.
Details
- Kind
- MCP servers
- Topic
- Government & public data
- Publisher
- keibai-hub
- Origin
- official
- Category
- ferramentas
- Transport
- http
- Version
- 0.1.0
- Last push
- 2026-05-12T06:55:04Z
- Repository state
- ativo
- License
- MIT
- Added
- 2026-08-29 04:00:20
- Updated
- 2026-08-29 04:00:20
- Origin id
io.github.keibai-hub/keibai-hub-mcp
README
# 不動産競売 構造化データハブ — Japan real-estate auctions MCP server
[](https://smithery.ai/server/keibai-hub)
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:
```json
{
"keibai-hub": {
"url": "https://keibai-hub.com/mcp-auctions"
}
}
```
### Smithery one-click
[](https://smithery.ai/server/keibai-hub)
## Tools (5)
| 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) |
## 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).