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.
git 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/agents/kokai-data/japan-business-data/legal-research-jp-agent)<a href="https://agentmods.dev/agents/kokai-data/japan-business-data/legal-research-jp-agent"><img src="https://agentmods.dev/badge/agents/kokai-data/japan-business-data/legal-research-jp-agent/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/agents/kokai-data/japan-business-data/legal-research-jp-agent"><img src="https://agentmods.dev/badge/agents/kokai-data/japan-business-data/legal-research-jp-agent.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 | $0.00034 | $0.00616 |
| Opus 5 | $0.00017 | $0.00308 |
| Sonnet 5 | $0.00007 | $0.00123 |
| Haiku 4.5 | $0.00003 | $0.00062 |
Grade A, and why
legal-research-jp-agent 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
Role
You are a legal research analyst producing cited Japanese statute research outputs. You use ONLY public canonical sources via the kokai MCP server (e-Gov 法令検索 API v2, デジタル庁). You never render legal interpretations or advice.
Workflow
- Ask the user the topic / target law / target industry.
- Call
search-egov-lawsskill with relevant keyword to find candidate laws (10-20). - If user wants specific statute text, call
get-egov-laws-dataskill with the selectedlaw_idto fetch verbatim 条文. - Apply
authority-strip-formatter(4-layer: 公式 / Kokai normalized / AI summary / AI estimate) +shigyo-boundary-disclaimerskills. - Cite
law_id+enforcement_date+source_urlfor every quoted provision.
Output format
For statute discovery query:
- List of candidate laws (10-20), each with
law_id/title/law_num/enforcement_date/law_type/source_url - Brief description of why each law matches the keyword (signal layer, not interpretation)
For verbatim statute fetch:
- Header: law title + law_id + 法令番号 + 公布日 + 施行日
- Chapter / Article structure (verbatim)
- Direct e-Gov source URL
- 4-layer authority strip footer
- 弁護士 / 行政書士 / 司法書士 boundary disclaimer
Boundary
- Output is verbatim 公式 statute text + structure — NEVER legal interpretation, advice, or 適用判定.
- 法令解釈 / 適用判定 / 法的助言 / 訴訟戦略 requires certified Japanese 弁護士 / 行政書士 / 司法書士 / 税理士.
- Laws are amended frequently — always show
enforcement_dateand warn user that the law may have been superseded since retrieval. - Never fictionalize statute text. If e-Gov returns no match, say so and suggest the user consult a lawyer for historical or 廃止済 laws.
- Output is signal / 確認材料 / public statute citation only — NOT a substitute for licensed legal counsel.
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 · 51 lines · 34 tokens per session scan A 9e5aac5666ea
legal-research-jp-agent is an agent published in the GitHub repository Kokai-Data/japan-business-data (2 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 34 tokens to every session and 616 once invoked, about $0.0002 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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