requirement-gap-finder

requirement-gap-finder is a skill for Claude Code, Codex from skinnerlee1225/enterprise-prd-toolkit. It costs 380 tokens per session (4,611 once invoked), scanned A, original, MIT.

A requirements review assistant for brand-new products or systems that do not yet have a product requirements document (PRD), a written description of what should be built.

In plain words
What is it for?
Use it to examine a blank-slate idea from product, design, backend, frontend, and testing perspectives, with a suggested answer for each issue.
Why use it?
It finds missing decisions, unclear wording, edge cases, and questions that could cause problems before development starts.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to examine a blank-slate idea from product, design, backend, frontend, and testing perspectives, with a suggested answer for each issue.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/skinnerlee1225/enterprise-prd-toolkit/requirement-gap-finder
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.

Any agent
npx skills add skinnerlee1225/enterprise-prd-toolkit --skill requirement-gap-finder
Clone the repo
git clone --depth 1 https://github.com/skinnerlee1225/enterprise-prd-toolkit

Made for: Claude Code, Codex.

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 requirement-gap-finder

README.md
[![agentmods](https://agentmods.dev/badge/skills/skinnerlee1225/enterprise-prd-toolkit/requirement-gap-finder/github.svg)](https://agentmods.dev/skills/skinnerlee1225/enterprise-prd-toolkit/requirement-gap-finder)
Your own site
<a href="https://agentmods.dev/skills/skinnerlee1225/enterprise-prd-toolkit/requirement-gap-finder"><img src="https://agentmods.dev/badge/skills/skinnerlee1225/enterprise-prd-toolkit/requirement-gap-finder/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.

agentmods 80×15 button for requirement-gap-finder

Your own site · 80×15
<a href="https://agentmods.dev/skills/skinnerlee1225/enterprise-prd-toolkit/requirement-gap-finder"><img src="https://agentmods.dev/badge/skills/skinnerlee1225/enterprise-prd-toolkit/requirement-gap-finder.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 380 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,611 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 5.1 $0.00380 $0.04611
Opus 5 $0.00190 $0.02305
Sonnet 5 $0.00076 $0.00922
Haiku 4.5 $0.00038 $0.00461

Measured 12d ago against content hash 3af50819635e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

requirement-gap-finder 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 12d 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.

skills/requirement-gap-finder/SKILL.md · 326 lines

How it starts

The opening of the file, as written. The whole thing — 326 lines — stays where its author put it; the contents beside it link to each section on GitHub.

需求補洞助手

這個 skill 在流程的哪個位置

這是探路模式——只在「白紙、沒有 PRD」時上場,不掛在日常開發流程裡。

白紙需求 / 面試題 / 全新架構(沒有 PRD 可審)
   ↓
【需求補洞助手】  ← 發散:五角色掃描,產出問題清單 + 建議答案
   ↓
使用者自己拍板(沒有外部甲方時,使用者就是甲方;取代 grill-me)
   ↓
enterprise-prd-writer / prd-writer  ← 落地:把拍板結果寫成 PRD
   ↓
開發

日常流程(已有明確需求、你熟的領域)不走這裡,直接 grill-me → PRD 即可—— 那些洞你自己的專業就補掉了,也會在 PRD 的 Definition of Ready 被抓。

分工界線(很重要,不要越界):

Skill 負責 不負責
需求補洞助手 白紙時找出「你還沒想到的」 不寫 PRD、不做格式檢查、不擅自決定
grill-me 一次一題逼出決定(有甲方可問時) 不主動找盲點
enterprise-prd-writer 寫 PRD + 既有 PRD 的 Gap Analysis / DoR 完整度檢查 不做白紙的跨角色發想

關鍵切割: 已經有 PRD 要「稽核完整度」→ 那是 enterprise-prd-writer 的 Gap Analysis, 不是這個 skill。這個 skill 只在「還沒有 PRD」時發想。兩者不重疊。


核心原則

1. 每個問題都要附建議答案

這是這個 skill 能不能被用起來的關鍵。

五個角色一次丟 40 個問題出來,使用者會直接關掉。 每個問題都必須附上「建議預設答案」,讓使用者的成本從「思考 40 題」 降到「掃過 40 個建議,只推翻不同意的 5 個」。

建議答案要有立場,不要寫「看你的需求」。寫「建議 A,因為 B」。

2. 只問「答案不在文件裡」的問題

如果需求文件已經寫了「金額精度到小數點後 2 位」,就不要問「金額精度多少」。 掃描前先把使用者給的材料讀完。有 codebase 可以查的,去查 codebase。

3. 禁止通用廢話

以下這類輸出一律不合格:

  • ❌「要考慮安全性」
  • ❌「需要注意效能」
  • ❌「建議做好錯誤處理」
  • ❌「要考慮擴展性」

合格的長相是具體到可以一句話回答

  • ✅「同一筆訂單重複點擊送出兩次,第二次要擋在前端還是後端做冪等?建議後端用 client_request_id 做冪等鍵,前端同時 disable 按鈕。」
  • ✅「用戶在填到一半離開頁面,草稿要保留嗎?建議不保留,但跳確認對話框。」

4. 標優先級,不要平鋪

阻塞開發的問題,跟「先假設、之後再修」的問題混在一起,等於沒分級。


執行流程

Step 0:讀材料、補最小上下文

先把使用者給的所有材料讀完(對話、草稿、PRD、截圖、codebase)。

如果缺少以下三項最小上下文,先問,一次問完,不要一題一題問:

  1. 這是新功能還是改既有功能? 改既有的話,現在的行為是什麼?
  2. 誰會用? 有沒有多種角色 / 權限差異?
  3. 平台? Web / App / 後台 / API-only?

其他一律不問——那是 grill-me 的工作,你的工作是找洞。

Step 1:先判斷哪些角色會參與

掃描前,先看這份需求實際上會動到哪幾個角色,在輸出最前面列一張「角色參與判斷表」

角色 是否參與 判斷依據
PM ✅ 參與 一律參與(範圍與邊界永遠要盤)
UIUX ❌ 無 純 API / 排程 / 資料遷移,沒有任何畫面
Backend ✅ 參與 有資料寫入與狀態變化
Frontend ❌ 無 無前端互動
QA ✅ 參與 一律參與(可測性永遠要盤)

判斷原則:

  • PM 與 QA 一律參與。 任何需求都有範圍邊界,也都要能驗收,這兩個角色不會標「無」。
  • UIUX:只要完全沒有畫面(純後端 API、排程 job、資料遷移、內部函式),就標「❌ 無」。
  • Frontend:沒有前端互動就標「❌ 無」。注意 UIUX 與 Frontend 是兩件事—— 有些需求有畫面設計(UIUX 參與)但前端只是靜態呈現、無複雜互動(Frontend 可標無)。
  • Backend:純前端樣式調整、純文案修改,可標「❌ 無」。

Read the full file on GitHub · 326 lines

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. 12d ago First seen · 326 lines · 380 tokens per session scan A 3af50819635e

Subscribe to this mod's changes

requirement-gap-finder is a skill published in the GitHub repository skinnerlee1225/enterprise-prd-toolkit (45 stars, last pushed 1mo ago), licensed MIT. It adds 380 tokens to every session and 4,611 once invoked, about $0.0019 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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