Verify Japanese companies, invoice-issuer registrations and addresses against government open data. Connect the official HojinCheck — Japanese corporate verification API (hojin = 法人/corporate entity) MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.
Free to start · No credit card · No hosting needed
Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.
claude mcp add --transport http hojincheck-japanese-corporate-verification-api-h https://hojincheck.com/mcpRun in your terminal, then restart Claude Code.
HojinCheck — Japanese corporate verification API (hojin = 法人/corporate entity) · https://hojincheck.com/mcp
Real prompts you can type the moment it's connected — no setup, no docs to read.
“Use “resolve_company”: 法人名(表記ゆれ・かな/カナ対応)から法人番号の候補と確度(0〜1+根拠ラベル)を返します。データ源: 国税庁法人番号システムWeb-API。.”
“Use “verify_company”: 法人番号(13桁・チェックディジット検証つき)から実在・商号・本店所在地・法人種別・閉鎖ステータスを返します。include_history=trueで商号変更等の履歴も返します。データ源: 国税庁法人番号システムWeb-API。.”
“Use “verify_invoice_number”: 適格請求書発行事業者の登録番号(T+13桁)から登録有無・登録年月日・取消/失効を返します。on_dateで基準日時点の有効性判定、include_history=trueで公表履歴も返します。入力は登録番号のみ(氏名等による検索は提供しません)。データ源: 国税庁適格請求書発行.”
“Use “get_company_profile”: 法人番号(13桁・チェックディジット検証つき)からgBizINFOの法人プロファイル(所在地・代表者・資本金・従業員数等)を、項目別の出典・最終取得日メタとあわせて返します。データ源: Gビズインフォ REST API v2(経済産業省)。.”
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how HojinCheck — Japanese corporate verification API (hojin = 法人/corporate entity) holds up.
Operated by HojinCheck — Japanese corporate verification API (hojin = 法人/corporate entity) (hojincheck.com) at its documented MCP endpoint — not a third-party mirror or community re-host.
This server only exposes public data — no account and no credentials are involved when you connect.
gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.
If HojinCheck — Japanese corporate verification API (hojin = 法人/corporate entity) adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.
Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.
Choose HojinCheck — Japanese corporate verification API (hojin = 法人/corporate entity) in the gate directory. No sign-in needed.
HojinCheck — Japanese corporate verification API (hojin = 法人/corporate entity)'s tools are live in every AI client you've connected — with rules and logging built in.
Free to start · No credit card · No hosting needed
Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.
resolve_company — 法人名(表記ゆれ・かな/カナ対応)から法人番号の候補と確度(0〜1+根拠ラベル)を返します。データ源: 国税庁法人番号システムWeb-API。
verify_company — 法人番号(13桁・チェックディジット検証つき)から実在・商号・本店所在地・法人種別・閉鎖ステータスを返します。include_history=trueで商号変更等の履歴も返します。データ源: 国税庁法人番号システムWeb-API。
verify_invoice_number — 適格請求書発行事業者の登録番号(T+13桁)から登録有無・登録年月日・取消/失効を返します。on_dateで基準日時点の有効性判定、include_history=trueで公表履歴も返します。入力は登録番号のみ(氏名等による検索は提供しません)。データ源: 国税庁適格請求書発行
get_company_profile — 法人番号(13桁・チェックディジット検証つき)からgBizINFOの法人プロファイル(所在地・代表者・資本金・従業員数等)を、項目別の出典・最終取得日メタとあわせて返します。データ源: Gビズインフォ REST API v2(経済産業省)。
normalize_address — 日本の住所を正規化し、都道府県/市区町村/町字(大字・町名+丁目)に分解して町字ID(アドレス・ベース・レジストリ)を解決し、郵便番号と照合します(不一致は不一致として明示)。【v1の粒度と限界】分解は町字(大字・丁目)まで。街区符号・住居番号・地番・小字・京都の通り名は解析対象
jp_calendar — 日本の祝日判定と営業日計算(内閣府「国民の祝日」CSV準拠)。営業日=土日・祝日以外。year_end_as_holiday=trueで12/29〜1/3も非営業日扱い。
https://hojincheck.com/mcpYes — HojinCheck — Japanese corporate verification API (hojin = 法人/corporate entity) operates its own remote MCP server at hojincheck.com. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.
Add gate's gateway URL to your AI client once, then pick HojinCheck — Japanese corporate verification API (hojin = 法人/corporate entity) in the directory. No account or sign-in is needed. From then on, HojinCheck — Japanese corporate verification API (hojin = 法人/corporate entity)'s tools are available in every client you've connected to gate.
No. HojinCheck — Japanese corporate verification API (hojin = 法人/corporate entity) runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.
It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.
Yes — you can get started with gate for free and connect HojinCheck — Japanese corporate verification API (hojin = 法人/corporate entity) in minutes. No credit card required.
Every server below works through the same gateway URL — connect once, add tools anytime.
Set up HojinCheck — Japanese corporate verification API (hojin = 法人/corporate entity) in: Claude · Claude Code · ChatGPT · Cursor · VS Code
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