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 authority-strip-formattergit 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/authority-strip-formatter)<a href="https://agentmods.dev/skills/kokai-data/japan-business-data/authority-strip-formatter"><img src="https://agentmods.dev/badge/skills/kokai-data/japan-business-data/authority-strip-formatter/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/authority-strip-formatter"><img src="https://agentmods.dev/badge/skills/kokai-data/japan-business-data/authority-strip-formatter.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 | $0.00067 | $0.00423 |
| Opus 5 | $0.00034 | $0.00211 |
| Sonnet 5 | $0.00013 | $0.00085 |
| Haiku 4.5 | $0.00007 | $0.00042 |
Grade A, and why
authority-strip-formatter 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 11d 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
Apply this skill when generating any brief / report / output that includes Kokai data. The 4-layer authority strip is a core part of the Kokai brand promise: every data point in a brief should be classified into one of 4 authority tiers.
The 4 layers
| Layer | Name | Cite requirement | Examples |
|---|---|---|---|
| 1 | 公式 (official) | cite_required | gBizINFO records, J-Grants public registry, 国税庁 法人番号 公表 |
| 2 | Kokai normalized | cite_required | Kokai-normalized records derived from official sources |
| 3 | AI summary | recommended | AI-generated summary of cited records |
| 4 | AI estimate | recommended | AI-estimated values where official data is absent |
Output format
At the footer of every Kokai brief, include:
---
出典 4 階層:
- 公式: <count> records (cite_required)
- Kokai 正規化: <count> records (cite_required)
- AI 要約: <count>
- AI 推定: <count>
詳細出典: <list of source URLs with retrieved_at>
In English:
---
Authority strip (4 layers):
- Official: <count> records (cite_required)
- Kokai normalized: <count> records (cite_required)
- AI summary: <count>
- AI estimate: <count>
Sources: <list of source URLs with retrieved_at>
Boundary
- Never present AI estimates or AI summaries as official facts.
- Always cite source URLs for the top 2 layers.
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.
- 11d ago First seen · 51 lines · 0 tokens per session scan A dfa4b4fa287d
authority-strip-formatter 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 67 tokens to every session and 423 once invoked, about $0.0003 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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