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 huangrichao2020/pretty-skills --skill prd-master-prdgit clone --depth 1 https://github.com/huangrichao2020/pretty-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/huangrichao2020/pretty-skills/prd-master-prd)<a href="https://agentmods.dev/skills/huangrichao2020/pretty-skills/prd-master-prd"><img src="https://agentmods.dev/badge/skills/huangrichao2020/pretty-skills/prd-master-prd/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/huangrichao2020/pretty-skills/prd-master-prd"><img src="https://agentmods.dev/badge/skills/huangrichao2020/pretty-skills/prd-master-prd.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00140 | $0.00713 |
| Opus 5.5 | $0.00056 | $0.00285 |
| Sonnet 5.5 | $0.00028 | $0.00143 |
| Haiku 4.5 | $0.00014 | $0.00071 |
Grade A, and why
prd-master产品PRD写作 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
prd-master · 产品 PRD 写作
一句话定位
PRD 不是需求清单，是用证据支撑的决策文档。先过证据关，再过结构关，最后过对抗审查关。
8 步工作流（强制 · 跳步 = 出问题）
- 诊断与路由 → 2. 关键提问（≤3 个）→ 3. 选文档类型 → 4. 写给读者决策 → 5. 首版 4 句话 → 5.5 证据追踪 → 6. 对抗审查 → 7. 路由自评 → 8. 规范化导出
详见 content.md 第 1 节。
适用 / 不适用
适用：
- 写功能 PRD / 0→1 策略 / 改版迁移 / 平台 API / 实验方案 / 上线运营
- 任何"先 evidence 后结构"的产品文档场景
不适用：
- 简单 issue / bug 报告
- 1-2 句话能讲完的小决策
- 还没想清楚要不要做的方向（先探索 Brief）
- 单纯的发布会讲稿
详细文档
content.md· 8 步 + 8 段 + 7 路由 + 强制边界 + 对抗审查完整心法images/· 9 张讲解图（暗色金融产品风）prompts/· 9 段出图 promptprd-master产品PRD写作讲解.pdf· PDF 讲解版锦绣/· 9 张讲解图 + 横竖封面 + 融合 md
来源
- prd-master SKILL.md + core/skill-core.md（28KB 核心方法论）
- RedSkill 商店（小红书开源）
- pretty-skills 沉淀 v1.0 · 2026-07-15
What ships with it
35 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.
- content.md 7.9 KB
- images/p1.png 347 KB
- images/p2.png 218 KB
- images/p3.png 437 KB
- images/p4.png 355 KB
- images/p5.png 442 KB
- images/p6.png 584 KB
- images/p7.png 302 KB
- images/p8.png 467 KB
- images/p9.png 367 KB
- manifest.json 1.6 KB
- prd-master产品PRD写作讲解.pdf 4406 KB
- prompts/p0_cover.md 1.0 KB
- prompts/p1.md 1.1 KB
- prompts/p2.md 1.1 KB
- prompts/p3.md 1.2 KB
- prompts/p4.md 1.1 KB
- prompts/p5.md 954 B
- prompts/p6.md 1.2 KB
- prompts/p7.md 1.3 KB
- prompts/p8.md 1.2 KB
- prompts/README.md 793 B
- README.md 3.1 KB
- 锦绣/cover-横屏.png 80 KB
- 锦绣/cover-竖屏.png 68 KB
- 锦绣/readme.md 2.8 KB
- 锦绣/slides/slide-1.png 347 KB
- 锦绣/slides/slide-2.png 106 KB
- 锦绣/slides/slide-3.png 150 KB
- 锦绣/slides/slide-4.png 137 KB
- 锦绣/slides/slide-5.png 178 KB
- 锦绣/slides/slide-6.png 197 KB
- 锦绣/slides/slide-7.png 117 KB
- 锦绣/slides/slide-8.png 155 KB
- 锦绣/slides/slide-9.png 148 KB
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 · 60 lines · 140 tokens per session scan A f3799e7ae83c
prd-master产品PRD写作 is a skill published in the GitHub repository huangrichao2020/pretty-skills (54 stars, last pushed 1mo ago), licensed MIT. It adds 140 tokens to every session and 713 once invoked, about $0.0006 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 2026-08-30.
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