style-ja

style-ja is a skill for Claude Code from pokutuna/claude-plugins. It costs 36 tokens per session (2,219 once invoked), scanned A, original, no licence file.

A writing and review skill for Japanese developer documentation. It applies the Google developer documentation style guide together with conventions for clear Japanese wording.

In plain words
What is it for?
Use it for Japanese READMEs, guides, tutorials, API references, proofreading, and documentation style reviews.
Why use it?
It helps keep Japanese technical documents consistent, readable, and correctly formatted. It also provides rules for reviewing wording and written style.

Skill for Claude Code

Written for Claude Code: disable-model-invocation in frontmatter.

Installs and runs on its own, but its text points at files inside its plugin — anything it tells you to read at a ${CLAUDE_PLUGIN_ROOT} path is only there once the plugin is installed. Installing the plugin gets both.

Part of the google-style-guide plugin — 2 skills shipped together

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.

agentmods
npx agentmods add skills/pokutuna/claude-plugins/style-ja
Any agent
npx skills add pokutuna/claude-plugins --skill style-ja
Clone the repo
git clone --depth 1 https://github.com/pokutuna/claude-plugins

Made for: Claude Code.

Or install google-style-guide, the plugin that ships this one along with the rest of its 2 skills.

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 style-ja

README.md
[![agentmods](https://agentmods.dev/badge/skills/pokutuna/claude-plugins/style-ja.svg)](https://agentmods.dev/skills/pokutuna/claude-plugins/style-ja)
Your own site
<a href="https://agentmods.dev/skills/pokutuna/claude-plugins/style-ja"><img src="https://agentmods.dev/badge/skills/pokutuna/claude-plugins/style-ja.svg" alt="Measured on agentmods" height="20"></a>
Per session 36 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,219 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown 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 $0.00036 $0.02219
Opus 5 $0.00018 $0.01110
Sonnet 5 $0.00007 $0.00444
Haiku 4.5 $0.00004 $0.00222

Measured yesterday against content hash 5e477697d802, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

style-ja 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 yesterday.

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.

google-style-guide/skills/style-ja/SKILL.md · 91 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. yesterday Changed · -1 lines · -41 tokens per session 5e477697d802
  2. 2d ago Changed · +77 tokens per session 3e83eb8381a4
  3. 6d ago First seen · 92 lines · 0 tokens per session scan A a3c6c68a8b12

Subscribe to this mod's changes

style-ja is a skill published in the GitHub repository pokutuna/claude-plugins (3 stars, last pushed yesterday), with no licence file. It adds 36 tokens to every session and 2,219 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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