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SKILL verified MIT Self-run

Agf Writing Prd

skill-pcliangx-appgenesisforge-agf-writing-prd · by pcliangx

[DEPRECATED since v6.9.0 → removed in v7.0.0; use agf-writing-change instead] Legacy PRD intake. Use when product-lead is about to draft a PRD for a new feature. Provides the 10-section PRD structure, AC quality bar, must-have fields, and the verification gate before sign-off.

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Install

$ agentstack add skill-pcliangx-appgenesisforge-agf-writing-prd

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • Prompt-injection patterns
  • Secret / credential exfiltration
  • Dangerous shell & filesystem operations
  • Untrusted network calls
  • Known-malicious package signatures

What it can access

  • Network access Used
  • Filesystem access No
  • Shell / process execution No
  • Environment & secrets No
  • Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

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Reliability & compatibility

Security review passed
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2mo ago

Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.

How agent discovery & health will work →
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About

Writing a PRD (Product Requirements Document)

> ⚠️ Deprecated since v6.9.0, will be removed in v7.0.0. Migrate to: docs/changes/ + skill agf-writing-change(变更文件夹入口,决策见 [ADR-012](../../../docs/adr/012-spec-driven-change-folders.md))。 > PRD 仍可用作 fallback,但新需求一律走变更文件夹——它把需求表达成对活规格的 delta,交付后 merge 进 docs/specs/,让「系统当前有哪些行为」永远有 SSOT;PRD 是一次性快照、交付后沉底。

Use this skill when:

  • product-lead finished superpowers:brainstorming and the user approved the rough direction
  • Formalizing a feature into docs/prd/[feature]-[YYYY-MM-DD].md before dispatching execution layer
  • Updating an existing PRD after an open question is resolved

Pre-conditions

  • [ ] Feature direction approved (don't write a PRD for something still being explored — use superpowers:brainstorming first)
  • [ ] You know who the user is and what business outcome you're optimizing
  • [ ] At least 1 measurable success metric is identifiable (else: brainstorm more, the requirement is too vague)

If any precondition fails: stop, do not write a PRD. Route back to brainstorming or SendMessage user for clarification.

File path & naming

docs/prd/[feature-kebab-case]-[YYYY-MM-DD].md — e.g. docs/prd/oauth-login-2026-05-12.md.

One PRD per feature. Updates go to the same file with a ## Changelog entry at the bottom; do NOT create a new dated file unless scope materially changes (then archive old, link to new).

Required sections (in order)

# PRD — [Feature Name]

- **Date**: YYYY-MM-DD
- **Owner**: product-lead
- **Status**: Draft / Review / Approved / In Progress / Done / Archived
- **Estimated effort tier**: Small / Medium / Large(依据 `.claude/standards/cost-budget.md`)

## 1. Background

为什么做?解决的用户痛点 / 业务驱动;引用 Linear ticket / Slack 讨论 / 用户访谈。1–3 段。

## 2. Goal & Non-Goals

**目标**:
- 一句话目标声明
- KPI(上线后用什么数据判定成功)

**Non-Goals**: 明确不做什么,避免 scope creep。

## 3. User Stories

| ID | As a | I want to | So that |
|---|---|---|---|
| US-1 | ... | ... | ... |

## 4. Acceptance Criteria

每条 AC 必须**独立可验证**——code-reviewer / qa-engineer 会逐条核对。

| ID | Priority | AC | Verification method |
|---|---|---|---|
| AC-1 | P0 | 用户提交邮箱+密码 → POST /api/auth/login 返回 200 + JWT | curl + 验响应体 |
| AC-2 | P0 | 错误密码返回 401,不区分"邮箱不存在"vs"密码错"以防枚举 | 手动 / SIT |

**AC 质量条**:
- ❌ "登录功能正常工作" → 不可验证
- ✅ "POST /api/auth/login with valid creds → 200 + body 含 `{"token": "..."}` 字段" → 可验证

## 5. Design

- UI: 链接 `docs/design/[feature]/spec.md` + `index.html` 原型
- API 契约:列新增/变更接口签名(path, request, response, error code)
- 数据模型:列新增/变更表结构(字段、类型、索引)

## 6. Technical Constraints

- 必须遵守 `.claude/standards/coding.md`、`security.md`、`observability.md`
- LLM 集成:参考 skill `agf-wiring-multi-llm-sdk`
- 性能预算:API P95 ≤ 500ms / LLM P95 ≤ 5s(项目可调)
- 不引入新依赖(除非 tech-lead 已起 ADR)

## 7. Cost Estimate

- 预估 LLM token / 月:
- 预估 Agent Team 开发 token:
- 触发 cost-budget.md 哪一档?(Small / Medium / Large)

## 8. Out of Scope / Future Work

明确不在本次范围、留给后续迭代的工作项。

## 9. Open Questions

未确定的问题,**每条必须标 Owner + Due**,否则不允许进入 Step 2 任务分配(见 `docs/product-workflow.md §4` 与本 skill"完成前的验证"checklist)。

| ID | 问题 | Owner | Due | 备注 |
|---|---|---|---|---|
| Q-1 |  |  | YYYY-MM-DD |  |
| Q-2 | … | … | … | … |

## 10. Sign-offs

- [ ] product-lead: 初稿
- [ ] tech-lead: 技术可行性 review(仅在涉及架构变更时)
- [ ] frontend-dev / backend-dev / ai-agent-dev / ml-engineer / miniapp-dev: 实现可行性确认(按 PRD 涉及的执行层角色勾选;feature 不涉及的 dev 可跳过)
- [ ] uiux-designer: 设计契合 PRD(仅在有 UI 时;含 miniapp UI 时由 uiux-designer 在 MiniApp Mode 下确认)
- [ ] qa-engineer / miniapp-qa-engineer: AC 可测性确认(按 feature 涉及的 QA 角色勾选)

## Changelog

- YYYY-MM-DD: 初稿

AC 写作 6 条铁律

  1. 每条 AC 独立可验证 — qa-engineer 不该需要"先看其他 AC"才能测这一条
  2. 优先级强制标注(P0/P1/P2) — SIT/E2E 阶段据此决定 Block vs Conditional Pass
  3. 用动词起头("用户点击 X 后...返回 Y"),不用"应该" / "需要" 这种弱断言
  4. 错误路径单独成条,别把"valid 时 200 / invalid 时 401"塞同一条
  5. 不写实现细节 — AC 是"行为契约",不是"代码方案"
  6. 交互类 AC 写成可点击因果链 — "点击 X 控件 → 发出 ` → 成功后 UI 显示 Z",把控件 + API 调用 + 可观测后果串进一条(防"按钮没事件 / 前后端接不上"在验收时无据可依;见 ac-lifecycle.md` AC 可测试性标准)

反模式

  • ❌ PRD 里写 SQL schema 字段长度(除非真是业务约束,如发票号 32 位)— 那是 design / dev 的细节
  • ❌ AC = "性能良好" / "用户体验好" — 不可验证
  • ❌ 不列 Non-Goals — scope 一定蔓延
  • ❌ 不写 Cost Estimate — 进 cost-budget 哪一档都不知道
  • ❌ Open Questions 留空 + 无 owner — 等于没问

完成前的验证

PRD 落盘前自检

  • [ ] 每条 AC 都能被 qa-engineer 用一段话描述测试步骤吗?
  • [ ] Non-Goals 列了至少 1 项?
  • [ ] 至少 1 个 KPI 可从现有 metrics 系统拿到?
  • [ ] Open Questions 每条都填了 Owner + Due(缺任一项 → hook 会在 dispatch 阶段拦下,回头补更慢)?
  • [ ] Cost Estimate 落到 cost-budget.md 的某一档了?

任何一条不行 → 不要发布,回去补。

Hand-off

PRD 落盘后:

  1. TaskCreate 建对应任务(按 product-lead Step 2 的 6 段 schema)
  2. SendMessage 给相关执行层(按 PRD 涉及的角色:frontend-dev / backend-dev / ai-agent-dev / ml-engineer / miniapp-dev 中需要的若干个):"PRD 已就绪 [path],请阅读 + 在初次 Plan Mode 报告里 cite AC 编号"
  3. 如有 UI → SendMessage uiux-designer 起稿设计(含 miniapp UI 时由 uiux-designer 在 MiniApp Mode 下覆盖)

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.