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/xcodethink/open-claude-code-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/commands/xcodethink/open-claude-code-skills/safe-add)<a href="https://agentmods.dev/commands/xcodethink/open-claude-code-skills/safe-add"><img src="https://agentmods.dev/badge/commands/xcodethink/open-claude-code-skills/safe-add/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/commands/xcodethink/open-claude-code-skills/safe-add"><img src="https://agentmods.dev/badge/commands/xcodethink/open-claude-code-skills/safe-add.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 | $0.00029 | $0.00330 |
| Opus 5.5 | $0.00012 | $0.00132 |
| Sonnet 5.5 | $0.00006 | $0.00066 |
| Haiku 4.5 | $0.00003 | $0.00033 |
Grade A, and why
safe-add 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
safe-add — 加 X 不动 Y(纯新增优先)
用户输入 /safe-add $ARGUMENTS 触发 纯新增路径(防 ProjectB 4-25 灾难)。
立刻读取并完整加载:
~/.claude/prompts/lib/03-实施/加X不动Y.md
按其"行为契约"段严格执行:
- 强制自问 3 次:能否纯新增完成?能否改成"新增 case/分支/路由"而非修改既有?最小改动几行?
- 必须改的旧代码 → 列清单 + 等用户 yes
- 实施时严守"加而不改"(加新文件 / 末尾追加分支自由,禁止重命名旧变量、删既有判断、顺便重构)
- 核对硬刹车清单(type / NAV / persist version / DB ALTER / 批量改 ≥5 旧文件)
参数含修饰符 → 叠加对应文件。
核心契约:用户说"加 X"时默认走纯新增,不要因为"重构起来更优雅"就动旧代码。
参数: $ARGUMENTS
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 · 24 lines · 0 tokens per session scan A da0800c416d8
safe-add is a command published in the GitHub repository xcodethink/open-claude-code-skills (2 stars, last pushed 2mo ago), licensed MIT. It adds 29 tokens to every session and 330 once invoked, about $0.0001 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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