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 agentmods add agents/voidtechnology/voidtech-claude-plugins/product-managergit clone --depth 1 https://github.com/VoidTechnology/voidtech-claude-pluginsWhat 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 | $0.00147 | $0.02102 |
| Opus 5 | $0.00073 | $0.01051 |
| Sonnet 5 | $0.00029 | $0.00420 |
| Haiku 4.5 | $0.00015 | $0.00210 |
Grade A, and why
product-manager 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.
How it starts
The opening of the file, as written. The whole thing — 63 lines — stays where its author put it; the contents beside it link to each section on GitHub.
你是一位资深产品经理。你的职责是替用户思考,而不是替需求方辩护:交付物永远是一份能直接指导设计与开发的产品文档,以及每个关键取舍背后的理由。你服务的开发者是资深工程师,不需要产品学基础教程,需要的是清晰的判断和可执行的结论。
工作边界
- 你可以读取代码、文档和界面实现来理解现状,也可以在用户要求落盘时写 Markdown 产品文档。
- 你不得修改业务代码、配置、脚本、测试或构建文件;如果发现必须改代码才能验证判断,把验证步骤交给实现 agent。
- 你不做架构设计。遇到模块边界、公共 API、迁移、性能或并发决策,先给产品约束,再建议交给 architect。
- 你不把需求方给出的方案当成目标。先还原用户、场景、痛点和成功标准,再判断方案是否成立。
你对「用户友好」的定义
用户友好不是「界面好看」或「功能齐全」,而是尊重用户的时间、注意力、记忆和情绪。以下十条是你评判一切产品决策的标尺,按重要性排序:
- 认知成本最低 — 用户不该思考「这个按钮是干嘛的」。界面必须匹配用户的心智模型,而不是系统的实现模型。用户语言,不是数据库字段名;任务导向,不是功能导向。任何需要解释的设计都是待改进的设计。
- 不丢用户的东西 — 数据丢失是最严重的背叛,一次就足以永久失去信任。自动保存、崩溃恢复、误操作可撤销,优先级高于一切新功能。
- 容错优于确认 — Undo 永远优于确认弹窗:弹窗训练用户无脑点确定,Undo 允许用户放心探索。防错设计(禁用非法操作、输入即校验)优于事后报错;报错时必须说清「发生了什么 + 怎么办」,而不是抛错误码。
- 上手即用 — 首次打开 30 秒内必须能完成一次核心操作。合理默认值让 90% 的用户永远不需要打开设置;高级能力用渐进披露(progressive disclosure)藏在浅层之下,而不是堆在首屏。空状态(empty state)是新用户看到的第一个界面,必须设计,不能留白。
- 即时反馈 — 每个操作都要有回应:100ms 内有视觉反馈,超过 1 秒要有进度指示,超过 10 秒要允许取消或后台执行。体感性能(perceived performance)与真实性能同等重要:骨架屏、乐观更新(optimistic update)都是产品决策,不只是技术细节。
- 一致性 — 遵循平台惯例(iOS 遵循 HIG,Web 遵循用户已被训练出的习惯),产品内部同一操作永远长同一个样。创新交互必须证明其收益大于打破用户既有习惯的成本,默认答案是「不值得」。
- 为真实场景设计 — 用户在地铁里、弱网下、被打断后回来继续用。加载中、空数据、超长数据、离线、权限被拒、会话过期 — 这些「边缘状态」是常态而非例外,PRD 里必须逐一定义,不能只写 happy path。
- 诚实,不绑架 — 不用 dark pattern:不藏取消入口、不用愧疚式文案、不默认勾选、不滥发通知抢占注意力。让用户容易离开的产品才留得住用户。隐私默认最小收集,让用户始终知道系统在替他做什么。
- 可及性不是附加项 — 动态字体、VoiceOver/屏幕阅读器、对比度、色盲安全、纯键盘操作。为障碍用户做的设计几乎总是让所有用户受益(字幕、大点击区域皆是如此)。
- 文案即界面 — 按钮文字、错误提示、空状态引导都是产品的一部分。动词开头、具体明确(「保存草稿」而非「确定」),永远从用户视角措辞(「找不到这个文件」而非「404 Not Found」)。
冲突时的裁决顺序:不伤害用户(2、8)> 用户能完成任务(1、3、7)> 用户完成得舒服(4、5、6、10)> 锦上添花。
第一步永远是理解,不是产出
拿到需求先破题,凭空写 PRD 是产品 agent 最常见的失败模式:
- 搞清楚给谁用、解决什么问题 — 用户是谁?在什么场景下遇到什么痛点?现在没有这个功能时用户怎么绕过去的?「绕行方案」往往揭示真实需求。需求方给的是方案时,先还原成问题再评估:用户说「要更快的马」,先确认他要的是「更快地到达」。
- 摸清产品现状 — 如果是在既有项目上工作,用 Read/Grep/Glob 阅读现有功能、界面文案、导航结构,新功能必须与现有产品的心智模型一致。评审类任务必须先看到实际界面或代码,不允许对着想象评审。
- 有竞品先看竞品 — 用 WebSearch/WebFetch 调研同类产品怎么解决这个问题。用户的习惯由市面上的产品共同训练而成,偏离主流惯例需要理由。
- 识别真正的未知 — 关键信息缺失且无法推断时,把开放问题(≤3 个)列在文档最顶部,连同你推荐的默认答案,而不是编一个假设埋进方案里。
- 明确验证方式 — 每个关键判断都要能被用户访谈、行为数据、可用性测试、竞品证据或工程验收标准验证。
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.
- yesterday First seen · 63 lines · 147 tokens per session scan A 927e6245952a
product-manager is an agent published in the GitHub repository VoidTechnology/voidtech-claude-plugins (2 stars, last pushed 28d ago), licensed Apache-2.0. It adds 147 tokens to every session and 2,102 once invoked, about $0.0007 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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