Agentic-Development-Lifecycle: Skill for Claude Code

.claude/skills/ba-user-story/SKILL.md

ba-user-story is a skill for Claude Code from hiepdnh/Agentic-Development-Lifecycle. It costs 67 tokens per session (690 once invoked), scanned A, original, MIT.

A business-analysis workflow that turns a specification into User Stories, short descriptions of what a particular user needs, with Acceptance Criteria, the conditions that define success.

In plain words
What is it for?
It reads an existing specification, creates stories in a chosen format, records their priority and dependencies, and suggests an implementation order.
Why use it?
It breaks a larger requirement into work items that a project manager can turn into development issues.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is hiepdnh/Agentic-Development-Lifecycle's own configuration. It tells Claude Code how to work on Agentic-Development-Lifecycle itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything Agentic-Development-Lifecycle configures →

Part of the agentic-development-lifecycle plugin — 35 skills shipped together

Reuse

Borrowing it

Nothing to install: this file belongs to hiepdnh/Agentic-Development-Lifecycle. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/hiepdnh/Agentic-Development-Lifecycle/main/.claude/skills/ba-user-story/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/hiepdnh/Agentic-Development-Lifecycle

Made for: Claude Code.

Or install agentic-development-lifecycle, the plugin that ships this one along with the rest of its 35 skills.

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.

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README.md
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Your own site
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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.

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Per session 67 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 690 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.
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 $0.00067 $0.00690
Opus 5 $0.00034 $0.00345
Sonnet 5 $0.00013 $0.00138
Haiku 4.5 $0.00007 $0.00069

Measured 9d ago against content hash 78395573b02d, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

ba-user-story 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 9d 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.

.claude/skills/ba-user-story/SKILL.md · 71 lines

What it actually says

Skill: /ba-user-story

Role: Business Analyst
Mục đích: Chuyển spec thành User Stories với Acceptance Criteria chuẩn, sẵn sàng để PM tạo issue.


Hướng dẫn thực hiện

Bước 1 — Đọc spec hiện có

Đọc docs/tasks/[TASK-ID]/requirements.md nếu có. Nếu chưa có, yêu cầu người dùng chạy /ba-spec trước.

Bước 2 — Gate: Xác nhận scope

## Tôi sẽ tạo User Stories từ spec: [Tên feature]

Spec có [N] Use Cases và [M] Acceptance Criteria.

Trước khi bắt đầu, tôi cần hỏi:

| # | Câu hỏi | Lựa chọn |
|---|---------|---------|
| 1 | Granularity mong muốn? | A: Mỗi Use Case = 1 story / B: Gộp theo feature / C: Tách nhỏ hơn Use Case / D: Khác: ___ |
| 2 | Story format? | A: "As a [role], I want [action], so that [benefit]" / B: Format khác: ___ / C: Khác: ___ |
| 3 | Có Epic đã tồn tại để link vào không? | A: Có — tên/link: ___ / B: Không / C: Khác: ___ |

Chờ confirm.

Bước 3 — Tạo User Stories

Tạo mỗi User Story sử dụng template templates/user-story.md.

Bước 4 — Gate cuối: Review + Đề xuất thứ tự

## Đã tạo [N] User Stories:

| ID | Tên | Priority | Estimate | Dependencies |
|----|-----|----------|----------|--------------|
| US-001 | | | | |

**Đề xuất thứ tự implement** (dựa trên dependencies và value):
1. US-XXX — [lý do]
2. US-XXX — [lý do]

**Câu hỏi trước khi finalize**:

| # | Câu hỏi | Lựa chọn |
|---|---------|---------|
| 1 | Estimate có hợp lý không? | A: Hợp lý / B: Quá cao — sửa US-XXX: ___ / C: Quá thấp — sửa US-XXX: ___ / D: Khác: ___ |
| 2 | US-XXX có thể chia nhỏ hơn để dễ demo không? | A: Không cần / B: Có — chia như sau: ___ / C: Khác: ___ |
| 3 | Có story nào nên defer sang sprint sau không? | A: Không / B: Có — story: ___ / C: Khác: ___ |

Output files

  • Cập nhật docs/tasks/[TASK-ID]/requirements.md với User Stories section
  • Sẵn sàng để PM dùng /pm-breakdown để tạo GitHub Issues
Files

What ships with it

2 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.

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. 9d ago First seen · 71 lines · 67 tokens per session scan A 78395573b02d

Subscribe to this mod's changes

ba-user-story is a skill published in the GitHub repository hiepdnh/Agentic-Development-Lifecycle (6 stars, last pushed 12d ago), licensed MIT. It adds 67 tokens to every session and 690 once invoked, about $0.0003 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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