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Japan Public Data (法人番号・登録支援機関・官公需入札)

MCP server · hosted · v0.1.0 · io.github.takaratomita/mcp-tools
Online · tested 1h agoNEW · 2h agoSeen in the registry 1h ago

Japan public data: corporate numbers, registered support organizations, government bid notices.

Website ↗Source code ↗How to connect ↓

What it does

Japan Public Data (法人番号・登録支援機関・官公需入札) is an MCP server, a connector that lets an AI assistant use it as a tool. It is hosted: an assistant connects to it over the internet, nothing to install.

No capability identified yet from its description.

Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence) and are not a test of the tool.

At a glance

Hosted (remote)YES
Local installNO
Version0.1.0
PriceNot in the registry
First seen22 Oct 2026
Last checked1h ago

How to connect

As declared in the Official MCP Registry · hosted endpoint tested by Electra Index 1h ago (live check)

Hosted endpoint

  • https://mcp-tools.takara0408103123.workers.dev/mcp streamable-http

In Claude Code: claude mcp add --transport http japan-public-data https://mcp-tools.takara0408103123.workers.dev/mcp

MCP settings (Claude Desktop, Cursor and other MCP clients)

{
  "mcpServers": {
    "japan-public-data": {
      "url": "https://mcp-tools.takara0408103123.workers.dev/mcp"
    }
  }
}

Live check

Electra Index connected to the hosted endpoint 1h ago

ONLINE Japan Public Data (法人番号・登録支援機関・官公需入札) answered an MCP connection on 22 Oct 2026 and introduced itself as mcp-tools-japan-public-data 0.1.0 (MCP protocol 2025-06-18).

3 tools offered to AI assistants

  • lookup_corporate_number · Look up Japanese companies in the National Tax Agency Corporate Number Publication Site. Search by 13-digit corporate number, or by company name. Returns name, address and status. 国税庁 法人番号公表サイトから、法人番号（13桁）または法人名で法人情報（名称・所在地・閉鎖有無）を検索します。
  • search_support_orgs · Search the Immigration Services Agency of Japan registry of Registered Support Organizations for Specified Skilled Workers. Filter by name, location (prefecture/city in head office or support office address) and supported language. Organiza
  • search_local_govt_bids · Search bid and tender notices from Japanese local governments and national agencies via the KKJ (官公需情報ポータルサイト) search API by the Small and Medium Enterprise Agency. Filter by keywords (AND), prefecture, issuing organization and notice date.

What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method

Facts & evidence

Each fact shows where it was seen and when.
FactValueEvidenceSourceLast confirmed
Hosted endpointhttps://mcp-tools.takara0408103123.workers.dev/mcpDECLAREDSRC-001 Official MCP Registry1h ago
Local install (package)noDECLAREDSRC-001 Official MCP Registry1h ago
Remote access (hosted)yesDECLAREDSRC-001 Official MCP Registry1h ago
Websitehttps://github.com/takaratomita/mcp-toolsDECLAREDSRC-001 Official MCP Registry1h ago
Repositoryhttps://github.com/takaratomita/mcp-toolsDECLAREDSRC-001 Official MCP Registry1h ago
Registry statusactiveDECLAREDSRC-001 Official MCP Registry1h ago
Version0.1.0DECLAREDSRC-001 Official MCP Registry1h ago
MCP serveryesDECLAREDSRC-001 Official MCP Registry1h ago

Change history

  • NEW22 Oct 2026
    first seen in the index

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Questions about Japan Public Data (法人番号・登録支援機関・官公需入札)

How do I connect Japan Public Data (法人番号・登録支援機関・官公需入札)?

Use the hosted endpoint https://mcp-tools.takara0408103123.workers.dev/mcp in your assistant's MCP settings. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.

What tools does Japan Public Data (法人番号・登録支援機関・官公需入札) offer?

When Electra Index connected on 22 Oct 2026, it listed 3 tools: lookup_corporate_number, search_support_orgs, search_local_govt_bids. The full list is in "Live check" above.

Is Japan Public Data (法人番号・登録支援機関・官公需入札) online?

Yes. Its hosted endpoint answered an MCP connection from Electra Index 1h ago.