read-prd

read-prd is a skill for Claude Code, Codex from Today-Hbw/claude-code-dev-workflow. It costs 23 tokens per session (883 once invoked), scanned A, original, MIT.

A method for reading product requirements documents and extracting their key points and separate deliverable tasks. It supports PDF, Markdown, and HTML files.

In plain words
What is it for?
It is for scanning requirement files, identifying affected modules and constraints, and reporting the findings for user confirmation.
Why use it?
It turns lengthy requirements into a summary that can be checked before implementation begins.

Skill for Claude CodeCodex

Part of the dev-flow-lite plugin — 4 skills, 1 command shipped together

Install

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.

agentmods
npx agentmods add skills/today-hbw/claude-code-dev-workflow/read-prd
Any agent
npx skills add Today-Hbw/claude-code-dev-workflow --skill read-prd
Clone the repo
git clone --depth 1 https://github.com/Today-Hbw/claude-code-dev-workflow

Made for: Claude Code, Codex.

Or install dev-flow-lite, the plugin that ships this one along with the rest of its 4 skills, 1 command.

Wrote 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.

agentmods badge for read-prd

README.md
[![agentmods](https://agentmods.dev/badge/skills/today-hbw/claude-code-dev-workflow/read-prd.svg)](https://agentmods.dev/skills/today-hbw/claude-code-dev-workflow/read-prd)
Your own site
<a href="https://agentmods.dev/skills/today-hbw/claude-code-dev-workflow/read-prd"><img src="https://agentmods.dev/badge/skills/today-hbw/claude-code-dev-workflow/read-prd.svg" alt="Measured on agentmods" height="20"></a>
Per session 23 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 883 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5 $0.00023 $0.00883
Opus 5 $0.00012 $0.00441
Sonnet 5 $0.00005 $0.00177
Haiku 4.5 $0.00002 $0.00088

Measured 4d ago against content hash e931ba0328d4, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

read-prd 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 4d 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.

plugins/dev-flow-lite/skills/read-prd/SKILL.md · 86 lines

What it actually says

读 PRD · 方法论

你的任务

读取 PRD 文件(PDF、MD、HTML),提取需求要点,识别可独立交付的任务单元。在对话中输出摘要供用户确认,不写 MD 文件。

执行步骤

1. 文件扫描

用 Glob 扫描 PRD 目录:

  • **/*.pdf — PDF 需求文档
  • **/*.md — Markdown 需求文档
  • **/*.html**/*.htm — HTML 需求文档
  • 忽略隐藏文件和 .idea/ 等 IDE 目录

2. 逐文件阅读

MD 文件:直接 Read 全部内容

HTML 文件:直接 Read 全部内容

  • 读取时忽略标签、样式、脚本噪音,聚焦正文需求内容

PDF 文件:使用 Read 工具的 pages 参数分页读取

  • 先读第 1 页,判断是否相关
  • 相关则继续读后续页
  • 每次最多读 10 页

内嵌截图/原型是视觉规格的权威来源:PRD 里带标注的 UI 截图、原型图与散文正文同等重要。读到图不要略过,逐张逐元素提取以下视觉规格五要素

  1. 字段所在列:折进已有列(合并)还是独立新列
  2. 按钮/入口的精确文案:照抄图中原文,不自拟、不改写、不增减字
  3. 元素所在页签/区域:挂到已有页签,还是新建
  4. 筛选项位置:与哪些现有项并列
  5. 字段/筛选的排列顺序

凡图里已给出的位置/文案,即为已定死的规格,不得当作开放项。

3. 信息提取

对每个文件提取:

提取项 说明
任务名称 简短描述(10 字以内)
任务 ID 如 ID1019077(从文件名或内容中提取)
核心需求 这个任务要做什么(1-3 句话)
涉及页面/模块 前端页面、后端模型、数据库表
关键约束 边界条件、依赖关系、特殊规则
视觉规格 有截图/原型时必填:按视觉规格五要素逐元素照图记录;无图则记「正文与图均未给出」

4. 需求摘要输出

按以下格式在对话中输出摘要,向用户确认:

## 需求摘要

共发现 N 个文件,识别 M 个可交付任务:

### 任务 1:<任务名>(IDxxxxxxx)
- **核心需求**:...
- **涉及模块**:...
- **关键约束**:...
- **视觉规格(据截图/原型)**:按五要素记录;无图则写「正文与图均未给出」

### 任务 2:<任务名>(IDxxxxxxx)
- ...

请确认以上理解是否正确,或补充遗漏的需求。

注意事项

  • PDF/HTML 中的标注截图、原型不是配图噪音,须逐元素提取视觉规格
  • 如果 PDF 无法读取,提示用户转换为 MD 或手动粘贴内容
  • HTML 聚焦正文,忽略无关标记
  • Word(.doc/.docx)等二进制格式不支持:提示用户先另存为 PDF/MD
  • 不要遗漏任何文件
Changes

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.

  1. 4d ago First seen · 86 lines · 23 tokens per session scan A e931ba0328d4

Subscribe to this mod's changes

read-prd is a skill published in the GitHub repository Today-Hbw/claude-code-dev-workflow (22 stars, last pushed 23d ago), licensed MIT. It adds 23 tokens to every session and 883 once invoked, about $0.0001 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 2026-08-30.

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