discernment-nudge
After you give a substantive answer or draft that the user may act on — advice or recommendations, drafted artifacts such as goals, plans, pitches, proposals, or emails, estimates or projections, analysis or interpretation of data, factual claims they may rely on, or a multi-step argument — invoke this skill BEFORE finalizing your reply and then, if it applies, append 2-3 short follow-up questions, each tied to something specific in what you just produced, that help the user check key facts, probe the reasoning or assumptions, and notice missing context. Do this at most once per conversation. Skip it when the user asked a trivial how-to or simple lookup, wants a purely educational explanation, asked you only to format, convert, or assemble a file from content they provided, is writing code they will run, is doing creative writing or casual chat, or already asked you to double-check, cite, or review — the skill file explains these boundaries and the exact output format.
1实现原理 · 为什么它能做到
机制是『答复后置自查钩子』：模型在给出可能被用户据以行动的实质性答复（建议、草稿、估算、事实断言、多步论证）定稿前，先判断本次答复是否该附 2-3 个追问。
The goal is to *model* three discernment habits from the AI Fluency framework, not to lecture about them
静默为默认、每对话至多一次：绝大多数答复不加 nudge，加了就绝不在同一对话重复。
**Once per conversation.** Offer the nudge at most once in a conversation. If you have already offered it on an earlier turn, stay silent on later turns even when the new answer would otherwise qualify
触发/不触发都靠『排除法清单』而非阈值：consequential domain、估算数字、可被转述的事实、多步推理、数据解读、实质性草稿为正向案例；创意写作、闲聊、用户会运行的代码、简单查证、纯教学解释、以及四种『用户已自我覆盖』模式（要求核实/要快版/请我检查/给了原始材料）为豁免。
Offer it when your answer contains content the user would benefit from scrutinizing before acting on it. The clearest cases:
追问必须绑定具体内容：每条指向刚给答复里的一个数字/命名步骤/假设，禁止泛化模板问句。
Generic prompts ("Can you verify those facts?") defeat the purpose; the value is in the specificity.
输出格式被硬编码：固定 lead-in 行 + 纯文本子弹，2-3 条、每条 ≤120 字符、放在完整答复之后、之后不再加任何话。
Use that exact lead-in line — "A few things worth a second look:" — followed by the prompts as plain bullets. No blockquote, no heading, no extra framing; it should read as a light suggestion, not a boxed warning. Plain text only — no HTML, no headings, no emoji.
2核心能力
4管控建议与判定依据
- SKILL.md: 纯提示词指令与规则文本，无脚本执行与外部影响
5第二遍独立确认
- [ok] 资产面：仅 SKILL.md + LICENSE.txt — glob 全量（含隐藏文件）确认无其他文件。
- [ok] 零脚本/零网络/零凭证/零写入 — 全文 token 扫描零命中；无任何文件操作动词。
- [ok] at-most-once 与 silence-default 存在 — 'Offer the nudge at most once in a conversation.' 与 'Silence is the right default' 原文均在。
- [ok] 豁免清单与 description 一致 — description 列的 skip 场景（trivial how-to、educational、format/convert、code、creative、已要求 double-check）全部在 When not to 节有展开原文。
- [ok] 输出格式硬规则 — lead-in 'A few things worth a second look:' 与 'Plain text only — no HTML, no headings, no emoji'、'under ~120 characters' 原文均在。
- [ok] 夸大检查 — description 未承诺任何工具/外部数据能力，全部行为为对话文本追加——与正文能力相符，无越界。
- [ok] commit/license/元数据 — 本地 HEAD==pin 41bbe19；LICENSE.txt Apache-2.0 © 2026 Anthropic PBC。
6结论
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