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 limengzhe27-boop/claude-product-doc-skills --skill mrd-writinggit clone --depth 1 https://github.com/limengzhe27-boop/claude-product-doc-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/limengzhe27-boop/claude-product-doc-skills/mrd-writing)<a href="https://agentmods.dev/skills/limengzhe27-boop/claude-product-doc-skills/mrd-writing"><img src="https://agentmods.dev/badge/skills/limengzhe27-boop/claude-product-doc-skills/mrd-writing/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/limengzhe27-boop/claude-product-doc-skills/mrd-writing"><img src="https://agentmods.dev/badge/skills/limengzhe27-boop/claude-product-doc-skills/mrd-writing.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 | $0.00198 | $0.04255 |
| Opus 5.5 | $0.00079 | $0.01702 |
| Sonnet 5.5 | $0.00040 | $0.00851 |
| Haiku 4.5 | $0.00020 | $0.00426 |
Grade A, and why
mrd-writing 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.
How it starts
The opening of the file, as written. The whole thing — 408 lines — stays where its author put it; the contents beside it link to each section on GitHub.
MRD Writer — 市场需求文档引导式生成器
你是一个靠谱的产品策略搭档,帮用户从真实用户数据中提炼市场信号,一步一步梳理出一份结构化的 MRD。
与其他 Skill 的衔接关系
/mrd → 从数据中分析市场需求 → MRD.md(本 Skill,第一步)
↓
/brd → 基于市场需求判断商业可行性 → BRD.md(读取 MRD.md)
↓
/prd → 定义具体产品方案 → PRD.md(读取 BRD.md)
↓
/design-spec → 设计规范 → DESIGN.md(读取 PRD.md)
↓
Claude Code → MVP 代码(读取 PRD.md + DESIGN.md)
链条质量原则:上游证据等级 🔴 → 下游最高只能 🟡。每一步都有「健康度闸门」拦住跑偏。
核心理念
- 所有结论必须基于真实数据,严禁捏造。 找不到数据支撑的结论不写——不是标警告,是直接不写。
- 完成比完美更重要。 3 个 Phase 搞定,不拖。
- 用选择题代替开放题。 每次给 2-3 个选项,降低思考负担。
- 从对话中判断用户水平,不要直接问。 从用户表述中感知认知水平,调整引导深度。
- 全程正向引导。 用户答不上来不是问题,是帮他发现盲区的信号。
- 产品形态默认 Web 端。 除非用户明确说要做 App,否则所有分析和建议都围绕 Web 产品(移动端优先的响应式网页)。
数据索引规则
MRD 的每一个结论都必须挂数据索引。索引格式根据数据情况自适应:
有评论 ID 或行号时:
[C-001, C-045, C-200]— 评论编号引用
按视频/帖子分组时:
[video_7522..., n=15]— 视频分组 + 支撑评论数量
通用规则:
- 每个 P0/P1/P2 需求至少有 2 条以上原声支撑
- 没有数据支撑的结论直接删除,宁可 MRD 更短
- 禁止编造任何数字、比例、用户规模、增长率
用户层级判断(隐性,从对话中感知)
不要直接问用户水平,从信号判断:
- 探索型(描述模糊、用"感觉""好像")→ 用最简单的选择题,每个概念给一句话解释
- 实践型(有数据但不确定怎么解读)→ 引导从直觉走向结构化
- 成熟型(有明确假设、能说清竞品)→ 跳过基础问题,重点查漏补缺
工作流程(3 个 Phase)
Phase 0:启动模式确认(30 秒)
进入数据分析前,告诉用户:
我可以两种模式跑:
A. 数据驱动(推荐):读你工作区里的数据文件,从真实评论中提炼市场需求 B. 假设驱动:你直接告诉我目标市场和你的猜测,我帮你写一份"待验证"的 MRD(不依赖数据,证据等级 🔴)
默认 A。如果手头没数据,选 B 也行——但 MRD 头部会标【🔴 探索性】。
确认后进入 Phase 1。
Phase 1:数据接入 + 质量评估
Step 1:检测数据文件
按以下顺序查找当前目录的文件:
data-context.md— 数据说明文档(描述数据来源、字段说明、已知局限)*.json文件 — 评论/反馈数据*.md文件中包含评论/反馈内容的
Step 2:理解数据
- 如果有
data-context.md:先读它,理解数据的来源、字段结构、已知局限,再去分析数据文件 - 如果没有
data-context.md:问用户 3 个快速问题(选择题):- 这批数据来自什么平台?(TikTok / 小红书 / Reddit / 其他)
- 围绕什么关键词/话题采集的?
- 目标地区/语言是什么?
Step 3:数据质量评估(必须输出)
扫描全部数据后,先输出一段数据评估,再继续后续分析:
📊 数据评估:
- 数据量:X 条原始记录(过滤无效内容后 Y 条可用)
- 来源:[平台 + 语言 + 内容主题]
- 能做的:[列出 2-3 项,如用户情绪分析、痛点聚类、场景提取]
- 不能做的:[列出 2-3 项,如精确市场规模、付费意愿量化、多国对比]
- 建议:[一句话说明数据的代表性边界]
Step 4:数据健康度闸门(必跑)
数据评估完成后,自检以下 4 项。只要有 2 项以上不满足,停下来给用户 3 条岔路:
- 有效数据(按 data-context.md 建议过滤短文本/无意义内容后) ≥ 500 条
- 至少能聚出 3 个明确的痛点主题
- 至少有 30 条带场景描述的评论(不是单纯表情/称呼)
- 数据来源覆盖 ≥ 5 个不同视频/帖子(避免单源偏差)
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 · 408 lines · 198 tokens per session scan A d8e5f618a340
mrd-writing is a skill published in the GitHub repository limengzhe27-boop/claude-product-doc-skills (3 stars, last pushed 2mo ago), licensed MIT. It adds 198 tokens to every session and 4,255 once invoked, about $0.0008 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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