MCP server

Japan Public Data (法人番号・登録支援機関・官公需入札)

io.github.takaratomita/mcp-tools

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Working at last checkAbout 815 tokens per request once connected3 tools

https://mcp-tools.takara0408103123.workers.dev/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 3
Token cost: About 815 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http mcp-tools https://mcp-tools.takara0408103123.workers.dev/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.mcp-tools]
url = "https://mcp-tools.takara0408103123.workers.dev/mcp"

Gemini CLI

{"mcpServers":{"mcp-tools":{"httpUrl":"https://mcp-tools.takara0408103123.workers.dev/mcp"}}}

Cursor

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

VS Code

{"servers":{"mcp-tools":{"type":"http","url":"https://mcp-tools.takara0408103123.workers.dev/mcp"}}}

Antigravity

agy mcp add mcp-tools https://mcp-tools.takara0408103123.workers.dev/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"mcp-tools","server_url":"https://mcp-tools.takara0408103123.workers.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"mcp-tools","server_url":"https://mcp-tools.takara0408103123.workers.dev/mcp"}

lookup_corporate_number ~181 tokens
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_local_govt_bids ~318 tokens
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. Returns title, organization, dates and the notice URL. 官公需情
search_support_orgs ~316 tokens
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. Organizations that reported suspension are excluded unless includeSu

Japan Corporate Number
japan-corporate-number — Japan's National Tax Agency (国税庁) corporate number register (法人番号公表サイト).…
Japan Procurement
Japan Procurement MCP — Japanese government tender notices (bid announcements) from national…
Japan Corporate Number and Certifications (gBizINFO)
Which Japanese corporate numbers match this company name? gBizINFO (METI) relay with sources.
Shirabe Japan Data Hub
Japan data tools for AI agents: calendar (rokuyo), address, name splitting, corporate number lookup
Gbizinfo
gBizINFO — Japanese corporate registry, from METI (経済産業省).
Japan Qualified Invoice Issuers (Corporations)
Japan NTA qualified invoice issuer status of corporations by T-number. Records daily changes.
APAC Licensed-Entity Lookup
HKMA, Japan FSA, Taiwan FSC licence registers plus OFAC sanctions screening; pay per call via x402
Japan SSW Registered Support Organizations
Is this Japanese SSW support organization in ISA's list? Hosted; tracks list changes. Relay only.

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