Japan Corporate Number and Certifications (gBizINFO)

io.github.mk-career-planningPublished by GitHub account mk-career-planningv0.1.0Updated Oct 26, 2026

Which Japanese corporate numbers match this company name? gBizINFO (METI) relay with sources.

The publisher's own server: kosmos.info.pl

VerifiedStreamable HTTPWeb executableFinanceBusiness & Commerce

Overview

AI-generated overview

Remote MCP server that looks up Japanese corporate numbers, basic company records and certifications from METI's gBizINFO, with paid calls and receipts.

What you can do
  • Resolve a company name (optionally within a prefecture) to candidate Japanese corporate numbers, marked exact or fuzzy, without picking one for you.
  • Read basic gBizINFO records for a corporate number: name, kana, English name, address, and closure date and cause when stated.
  • List published notifications and certifications (todokede, nintei, e.g. FSA registrations) with ministry, title and date.
  • List the server's tools with prices, data sources, licensing, daily limits and data freshness.
  • Re-fetch the stored result of a settled paid call by receipt id.
When to use it
Useful when an assistant needs to identify or verify a Japanese company by name or corporate number, or check what certifications and registrations gBizINFO publishes for it, for example in due diligence, onboarding or research.
Requirements
A remote streamable HTTP endpoint; no package, account, API key or environment variable is declared. Some calls are paid, and results of settled paid calls are retrievable by receipt id for 90 days.
Before you install
Some tools are paid calls, so usage can cost money; check prices and daily limits with the catalog tool first. Zero certification rows mean the source is not exhaustive, not that none exist. Candidate matches are not disambiguated for you, and closure data is relayed from the National Tax Agency via gBizINFO.

Installation

In SourceWeft

  1. Open Japan Corporate Number and Certifications (gBizINFO) in the dashboard and add it to a workspace.
  2. Enable the server for the chats that should use its tools.

Web executable via Streamable HTTP. Remote servers run from the web runtime once configured in a workspace.

Use with an agent

Paste this prompt into Claude Code, Codex, Cursor or another agent — or into SourceWeft chat. The agent reads this server's install guide, shows you its publisher, endpoint and sign-in, and adds it to your client once you agree. Keys never go into a command.

Read https://sourceweft.com/mcp/io.github.mk-career-planning%2Fjp-gbizinfo/install.md and connect the MCP server it describes to my client. Before changing any config, show me its publisher, endpoint and sign-in method and wait for my OK. Never put an API key in a command or in a file I would commit; ask me where it should come from.

Read the install guide the agent follows

Other MCP clients

Add this to your client's mcpServers config.

{
  "mcpServers": {
    "japan-corporate-number-and-certification": {
      "type": "http",
      "url": "https://jp-gbizinfo-production.mk-career-planning.workers.dev/mcp"
    }
  }
}

Tools

5

catalog

Catalog: tools, prices and limits

List the tools of this server with prices, data sources, licensing, daily limits and data freshness.

Takes no parameters.

gbizinfo_resolve_corporate_number

Corporate number candidates for a company name (gBizINFO)

Which Japanese corporate numbers could this company name refer to? Searches gBizINFO (METI) by name (partial match), optionally within a prefecture, and returns every candidate with corporate number, name and address, marked exact_name or fuzzy_candidate. Never picks one for you: all candidate numbers are returned with total and truncated. Carries the gBizINFO source notice. Not an official result.

Parametersnamerequiredlimitprefectureaddress_hint

gbizinfo_company_basic

Basic information for a corporate number (gBizINFO)

What does gBizINFO (METI) publish as basic information for this Japanese corporate number? Returns the name, kana, English name, address and the closure date and cause when the record states them (from the National Tax Agency source as relayed by gBizINFO), with gBizINFO's last_acquisition_date as status_as_of. Representative names are not returned. Carries the gBizINFO source notice. Not an official result.

Parameterscorporate_numberrequired

gbizinfo_certifications

Notifications and certifications by corporate number (gBizINFO)

Which notifications and certifications (todokede / nintei, e.g. FSA registrations) does gBizINFO (METI) publish for this Japanese corporate number? Returns the rows as published with ministry, title and date. Zero rows is unknown (source_not_exhaustive), never none: gBizINFO does not hold every ministry's information. Carries the gBizINFO source notice. Not an official result.

Parameterslimitministrycorporate_numberrequired

get_receipt

Get receipt of a paid call

Re-fetch the stored result of a settled paid call by its receipt_id, for when the response was lost after payment. Free. Unknown or unsettled receipt ids return RECEIPT_NOT_FOUND. Results are kept for 90 days after settlement.

Parametersreceipt_idrequired

Version history

1
  1. v0.1.0LatestOct 17, 2026

Score

83% of the applicable checks met

How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.

  • Reached in the last 30 daysRequired25 pts
  • Auth declaredRequired10 pts
  • Tools listedRequired15 pts
  • DescriptionRequired15 pts
  • Logo10 pts
  • Documentation15 pts

    Declare a GitHub repository with a README, or serve resource_documentation in the OAuth protected-resource metadata.

  • LicenseNot applicable

    A hosted service is used under its provider's terms, so no license is expected here. This check is left out of the percentage.

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