Borrowing it
Nothing to install: this file belongs to masayan1126/masayan-uni-code-plugins. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/masayan1126/masayan-uni-code-plugins/main/CLAUDE.mdgit clone --depth 1 https://github.com/masayan1126/masayan-uni-code-pluginsWrote 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/instructions/masayan1126/masayan-uni-code-plugins/claude-md)<a href="https://agentmods.dev/instructions/masayan1126/masayan-uni-code-plugins/claude-md"><img src="https://agentmods.dev/badge/instructions/masayan1126/masayan-uni-code-plugins/claude-md/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/instructions/masayan1126/masayan-uni-code-plugins/claude-md"><img src="https://agentmods.dev/badge/instructions/masayan1126/masayan-uni-code-plugins/claude-md.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 | $0.00643 | $0.00643 |
| Opus 5.5 | $0.00257 | $0.00257 |
| Sonnet 5.5 | $0.00129 | $0.00129 |
| Haiku 4.5 | $0.00064 | $0.00064 |
Grade A, and why
masayan-uni-code-plugins CLAUDE.md 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 1mo 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
CLAUDE.md - masayan-uni-plugins
プラグイン追加時の必須作業
新しいスキルをプラグインとして追加する際は、以下の2つのファイルを必ず更新すること：
1. .claude-plugin/marketplace.json
plugins配列に新しいプラグインのエントリを追加：
{
"name": "プラグイン名",
"description": "説明",
"version": "1.0.0",
"author": { "name": "masayan" },
"source": "./plugins/プラグイン名",
"category": "development"
}
2. README.md と README_ja.md（ルート）
両方のREADMEファイルを必ず更新すること：
- README.md（英語版）: 「Available Plugins」テーブルに追加
- README_ja.md（日本語版）: 「利用可能なプラグイン」テーブルに追加
<!-- README.md -->
| [プラグイン名](./plugins/プラグイン名) | Description in English | バージョン |
<!-- README_ja.md -->
| [プラグイン名](./plugins/プラグイン名) | 日本語の説明 | バージョン |
重要: README.mdを修正する場合は、必ずREADME_ja.mdも同時に修正すること。
プラグインの構造
各プラグインは plugins/ ディレクトリ配下に作成し、最低限以下の構成とする：
plugins/プラグイン名/
├── .claude-plugin/
│ └── plugin.json
├── commands/
│ └── 動詞-対象.md
└── skills/
└── スキル名/
└── SKILL.md
スキルとコマンドのセット
スキルを追加する際は、必ず対応するコマンドファイルも作成すること。
1. plugin.json に commands ディレクトリを指定
{
"commands": "./commands/"
}
2. commands/ ディレクトリにコマンドファイルを作成
ファイル名がスラッシュコマンド名になる（例: fetch-ai-news.md → /fetch-ai-news）
---
description: コマンドの説明
---
Execute the skill at `skills/スキル名` to ...
コマンド名のルール：
- 動詞で開始する（例:
create-,generate-,fetch-,scan-,convert-,extract-） - ケバブケース（小文字とハイフン）を使用
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.
- 1mo ago First seen · 81 lines · 643 tokens per session scan A 38b73f54ee18
masayan-uni-code-plugins CLAUDE.md is an instructions file published in the GitHub repository masayan1126/masayan-uni-code-plugins (5 stars, last pushed 7mo ago), licensed MIT. It adds 643 tokens to every session, about $0.0026 per session on Opus 5.5. 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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