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 tranfu-labs/tranfu-skills --skill claude-design-systemgit clone --depth 1 https://github.com/tranfu-labs/tranfu-skillsWrote 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/tranfu-labs/tranfu-skills/claude-design-system)<a href="https://agentmods.dev/skills/tranfu-labs/tranfu-skills/claude-design-system"><img src="https://agentmods.dev/badge/skills/tranfu-labs/tranfu-skills/claude-design-system/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/tranfu-labs/tranfu-skills/claude-design-system"><img src="https://agentmods.dev/badge/skills/tranfu-labs/tranfu-skills/claude-design-system.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 | $0.00000 | $0.00529 |
| Opus 5.5 | $0.00000 | $0.00212 |
| Sonnet 5.5 | $0.00000 | $0.00106 |
| Haiku 4.5 | $0.00000 | $0.00053 |
Grade A, and why
claude-design-system 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 2mo 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-design-system (external thin pointer)
这是一个 external 薄指针 —— 仓库里只存 frontmatter 和推荐者补充内容, 不存 skill body.
注意: 这不是一个可执行的 skill, 而是参考阅读材料 —— Anthropic 内部 "Claude 设计制品工具" (Claude.ai 的 design / make 功能) 的 system prompt, 由社区项目 elder-plinius/CL4R1T4S 抓取镜像. 装上后 tfs install 会把全文 422 行拉到本地, 给你 / 你的 agent 当模板和反查表用.
- 上游 (镜像): https://github.com/elder-plinius/CL4R1T4S/blob/main/ANTHROPIC/Claude-Design-Sys-Prompt.txt
- 原作者: Anthropic (内部 prompt, 非公开发布)
- 镜像维护者: elder-plinius (CL4R1T4S 项目专门归档主流 AI 公司的 system prompts)
- License: 镜像项目无明确 license, 内容性质是 Anthropic prompt 的复刻. 商业使用请自行评估
更新内容请直接看上游, 别在本仓库改 body —— 上游变了重新 tfs install 拉一次.
What ships with it
4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 2mo ago First seen · 24 lines · 0 tokens per session scan A 4e88048e92a1
claude-design-system is a skill published in the GitHub repository tranfu-labs/tranfu-skills (2 stars, last pushed 24d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 529 tokens. 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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