Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add Kokai-Data/japan-business-data --skill gbizinfo-entity-lookupgit clone --depth 1 https://github.com/Kokai-Data/japan-business-dataWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/kokai-data/japan-business-data/gbizinfo-entity-lookup)<a href="https://agentmods.dev/skills/kokai-data/japan-business-data/gbizinfo-entity-lookup"><img src="https://agentmods.dev/badge/skills/kokai-data/japan-business-data/gbizinfo-entity-lookup/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/kokai-data/japan-business-data/gbizinfo-entity-lookup"><img src="https://agentmods.dev/badge/skills/kokai-data/japan-business-data/gbizinfo-entity-lookup.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00090 | $0.00431 |
| Opus 5 | $0.00045 | $0.00216 |
| Sonnet 5 | $0.00018 | $0.00086 |
| Haiku 4.5 | $0.00009 | $0.00043 |
Grade A, and why
gbizinfo-entity-lookup scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
When to use
Use this skill when:
- The user provides a 13-digit Japanese 法人番号 (corporate number).
- You need company details: financials (sales / income / capital / total assets), employee count, certifications (えるぼし / くるみん / etc.), major shareholders, workplace data.
How to invoke
Call the kokai MCP server's get_entity_profile tool with the 13-digit corporate number:
{
"name": "get_entity_profile",
"arguments": {
"corporate_number": "<13-digit 法人番号>",
"include_categories": true
}
}
Constraints (important)
- gBizINFO
categories.subsidyandcategories.procurementfields are mostly null for Japanese companies — use this for entity identification (法人番号 / name / location), NOT for subsidy history. - For subsidy data, use the
search_subsidies+get_subsidy_detailMCP tools instead. - The result includes the ACBS 4-layer authority strip; the gBizINFO data is
公式(official) layer andcite_required.
Output format
Cite gBizINFO records by their source_url and retrieved_at metadata in your final output.
Boundary
- Output is signal / 確認材料 / context — NOT a decision.
- For 法人適格性 / 申請可否 / legal judgment, recommend a certified Japanese 士業 (行政書士 / 中小企業診断士 / 公認会計士 / 税理士).
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 12d ago First seen · 41 lines · 0 tokens per session scan A c92c4e6e0a1f
gbizinfo-entity-lookup is a skill published in the GitHub repository Kokai-Data/japan-business-data (2 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 90 tokens to every session and 431 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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