evidence-citation-builder

evidence-citation-builder is a skill for Claude Code from Kokai-Data/japan-business-data. It costs 75 tokens per session (359 once invoked), scanned A, original, Apache-2.0.

A citation lookup tool for Kokai records. It returns public source links, retrieval dates, and source-authority levels for a record ID obtained from another Kokai lookup.

In plain words
What is it for?
Building official source references for company or subsidy records and attaching citation details to research outputs.
Why use it?
It makes it easier to support research summaries with direct public evidence. It excludes AI-generated evidence from the citation results.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the kokai-data plugin — 19 skills, 8 commands, 7 agents, 1 MCP server shipped together

Good fit Building official source references for company or subsidy records and attaching citation details to research outputs.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/kokai-data/japan-business-data/evidence-citation-builder
Install

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.

Any agent
npx skills add Kokai-Data/japan-business-data --skill evidence-citation-builder
Clone the repo
git clone --depth 1 https://github.com/Kokai-Data/japan-business-data

Made for: Claude Code.

Or install kokai-data, the plugin that ships this one along with the rest of its 19 skills, 8 commands, 7 agents, 1 MCP server.

Wrote 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.

agentmods badge for evidence-citation-builder

README.md
[![agentmods](https://agentmods.dev/badge/skills/kokai-data/japan-business-data/evidence-citation-builder/github.svg)](https://agentmods.dev/skills/kokai-data/japan-business-data/evidence-citation-builder)
Your own site
<a href="https://agentmods.dev/skills/kokai-data/japan-business-data/evidence-citation-builder"><img src="https://agentmods.dev/badge/skills/kokai-data/japan-business-data/evidence-citation-builder/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.

agentmods 80×15 button for evidence-citation-builder

Your own site · 80×15
<a href="https://agentmods.dev/skills/kokai-data/japan-business-data/evidence-citation-builder"><img src="https://agentmods.dev/badge/skills/kokai-data/japan-business-data/evidence-citation-builder.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 75 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 359 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00075 $0.00359
Opus 5 $0.00037 $0.00179
Sonnet 5 $0.00015 $0.00072
Haiku 4.5 $0.00007 $0.00036

Measured 11d ago against content hash f1d5ef819d00, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

evidence-citation-builder 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.

plugins/vertical-plugins/kokai-data/skills/evidence-citation-builder/SKILL.md · 51 lines

What it actually says

When to use

Use this skill when:

  • You have a record_id (UUID) from a prior get_entity_profile or get_subsidy_detail call.
  • You need cite_required references for AI-generated content.

How to invoke

Call the kokai MCP server's get_evidence_refs tool:

{
  "name": "get_evidence_refs",
  "arguments": {
    "record_id": "<UUID from canonical record>",
    "authority": "official",
    "limit": 20
  }
}

The authority argument accepts:

  • official — only official sources (cite_required)
  • kokai_normalized — Kokai-normalized records
  • ai_summary — AI-summarized records
  • ai_estimate — AI-estimated records

For citations in AI-generated briefs, use authority: "official" to get cite_required public source refs.

Output format

For each evidence ref, format as:

[source_title] (source_provider) — source_url, retrieved_at, authority: <level>

Include in a numbered citation list at the end of your brief.

Boundary

  • Output is signal / 確認材料 / context — NOT a decision.
  • Research-artifact-derived AI evidence is excluded from this call by design.
Changes

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.

  1. 11d ago First seen · 51 lines · 0 tokens per session scan A f1d5ef819d00

Subscribe to this mod's changes

evidence-citation-builder 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 75 tokens to every session and 359 once invoked, about $0.0004 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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