ZBS Index What actually exists in applied AI, with the source next to it

mcp server

HojinCheck — Japanese corporate verification API (hojin = 法人/corporate entity)

Verify Japanese companies, invoice-issuer registrations and addresses against government open data.

Description as published by the maintainer. Source

  • version 0.1.0
  • active
  • document understanding
  • voice

active — Registry entry last updated 2026-07-14. Dashed tags are derived by ZBS Index from the published description, not stated by the maintainer.

What this server can do

6 functions, named and described by the server itself. Parameter names are shown because they say more about what a function does than its name usually does.

get_company_profile(corporate_number)
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)。 Required: corporate_number.
jp_calendar(op, to, date, days, from, year_end_as_holiday)
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。 Required: op.
normalize_address(address, postal_code)
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外で、未解析部分は残余文字列としてそのまま返します(推測補完なし)。データ源: アドレス・ベース・レジストリ町字マスター(デジタル庁)+日本郵便郵便番号データ(ローカルマスター駆動・政府API停止の影響なし)。 Required: address.
resolve_company(name, limit, address, include_closed)
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。 Required: name.
verify_company(include_history, corporate_number)
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。 Required: corporate_number.
verify_invoice_number(on_date, include_history, registration_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事業者公表システムWeb-API。 Required: registration_number.

Last successful function declaration observed on . Source: https://hojincheck.com/mcp. We list what the server declared; we do not call any of these functions.

Endpoint status observed on . Source: https://hojincheck.com/mcp.

Signals

These are separate measurements of different things. They are deliberately not combined into one score, because a popularity number that mixes website traffic with saves and stars cannot be checked or acted on.

Signal Value What it measures Window Observed Source
Latest published version 0.1.0 Latest version string the maintainer published to the registry. as of fetch Model Context Protocol
Registry record last updated 2026-07-14 When the registry record was last updated by its maintainer. point in time Model Context Protocol
First listed in the MCP Registry 2026-07-14 Date this server was first published to the official MCP Registry. Not a usage or quality measure. point in time Model Context Protocol
mcp tools declared 6 tools Number of functions the server itself declared when asked to list them. This is what the server offers an agent, not a measure of how well any of them work. as of probe hojincheck.com
mcp endpoint status ok The server listed 6 functions when asked. as of probe hojincheck.com

Where to get it

This record as data

Every field on this page, with its source and observation date, is in the catalog JSON. Fetch the whole kind at once instead of parsing this HTML.

GET /api/v1/entries/mcp_server.json

Sources

  1. Tools declared by the MCP server at https://hojincheck.com/mcp — hojincheck.com, observed , trust tier 1.
  2. Official MCP Registry — Model Context Protocol, observed , trust tier 1.