Borrowing it
Nothing to install: this file belongs to double-coding-lab/Flow2Spec. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/double-coding-lab/Flow2Spec/main/.claude/skills/f2s-req-plan/SKILL.mdgit clone --depth 1 https://github.com/double-coding-lab/Flow2SpecWrote 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/double-coding-lab/flow2spec/f2s-req-plan)<a href="https://agentmods.dev/skills/double-coding-lab/flow2spec/f2s-req-plan"><img src="https://agentmods.dev/badge/skills/double-coding-lab/flow2spec/f2s-req-plan/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/double-coding-lab/flow2spec/f2s-req-plan"><img src="https://agentmods.dev/badge/skills/double-coding-lab/flow2spec/f2s-req-plan.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00064 | $0.03100 |
| Opus 5.5 | $0.00026 | $0.01240 |
| Sonnet 5.5 | $0.00013 | $0.00620 |
| Haiku 4.5 | $0.00006 | $0.00310 |
Grade A, and why
f2s-req-plan 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 — 159 lines — stays where its author put it; the contents beside it link to each section on GitHub.
任务路径：凡
.task/落盘与续作，**必须以rules/f2s-task解析的TASK_ROOT为准（.task或.task/<developerId>；config → git → legacy）。下文若仍出现.task/todo.json/.task/active/，均视为TASK_ROOT/...的简写。
需求任务规划与实现（f2s-req-plan）
从需求/技术方案出发，完整覆盖「规划 → 实现」链路。不依赖 changeTracking.*，但 .task/ 全生命周期必须以 f2s-task 为唯一真值源（目录、格式、续作、打钩、归档、user-todos）。知识库同步由用户后续按需调用 f2s-kb-feat / f2s-kb-sync。
与 f2s-task 的关系（硬约束）
| 项 | 说明 |
|---|---|
| 真值源 | 配置根 rules/f2s-task.*（alwaysApply: true）；Codex 读 .codex/topics/f2s-task.md（init 镜像，与 rules 同源） |
| 本技能职责 | 规划草稿、实现代码、子 agent 编排；不得自定 .task/ 结构或弱化打钩/归档 |
| 与 changeTracking | f2s-req-plan 不受 changeTracking.feat/fix/implement 约束，始终走任务清单；见 f2s-task「生效条件」 |
所有已为项目初始化的客户端都必须读取 f2s-task 全文（步骤 0 必做，先于下文任何步骤）。请从当前客户端生成的 rules、AGENTS.md 或 topics 入口读取，不得用本技能摘要代替全文。
编排（主 / 子 agent）
subAgent/switchAgentVerification以统一入口为唯一事实源：Cursor/Claude →rules/f2s-flow2spec-unified-entry.*；Codex →.codex/topics/f2s-flow2spec-unified-entry.md。- 步骤 1（续作分诊 + 解析）：主 agent 必做
f2s-task「任务开始」1–2；解析文档可拆子 agent（只读）。 - 步骤 2（同轮展示 + 落盘）：必须主 agent；默认不等待用户确认，展示与落盘同一轮完成；仅命中「歧义例外」时才停下一次列问题（见步骤 2 正文）。
- 步骤 3（落盘）：按
f2s-task「任务开始」3.a–3.f；todo.json仅主 agent；task.md/context.md/user-todos.md初稿可子 agent，user-todos.md执行中追加由主 agent 合并。 - 步骤 4（实现）：子 agent 只写业务代码；禁止子 agent 写
todo.json、改task.mdcheckbox；打钩由主 agent 在合并后当步完成。 - 步骤 5（归档）：主 agent；仅满足
f2s-task「任务完成」归档门禁后执行。 - worktree 卫生见
f2s-flow2spec-unified-entry；中断/结束见f2s-task「中断与会话结束」。
输入（任选其一）
- 技术方案路径（
.Knowledge/req-docs/*.md或 PDF） - 需求 / 变更描述（自由文本）
步骤
步骤 0：前置（强制，任何步骤之前）
Read("flow2spec.config.json")（项目根；缺失字段视为false）。Read当前客户端生成入口中的f2s-task全文（不得跳过；不得仅用本 SKILL 摘要代替）。- 按读到的
subAgent/switchAgentVerification决定下文是否拆子 agent、是否交叉校验。
步骤 1：续作分诊 + 解析输入
1a. 续作分诊（f2s-task「任务开始」1–2，主 agent）
- 若存在
.task/todo.json，Read并将用户本条输入与各条目keywords匹配。 - 命中 1 个 →
Read对应task.md、context.md；若存在则Readuser-todos.md；向用户展示剩余 checklist 与未勾用户代办；询问是否续作该任务。- 用户确认续作 → 加载本 SKILL 全文（
linkedSkill应为f2s-req-plan），从task.md首个[ ]继续；禁止新建重复active/目录；跳至步骤 4（若仍需补充规划，先在「## 备注」记录后再实现）。 - 用户明确要新任务 → 进入 1b。
- 用户确认续作 → 加载本 SKILL 全文（
- 命中多个 → 列出候选，让用户选择续作哪一个或新建。
- 无命中 → 检查孤儿
active/（f2s-task）：若有未归档且含[ ]的task.md，提示是否续作或恢复todo.json；否则进入 1b。 - 无
todo.json→ 进入 1b。
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 Changed · +8 lines 32dca3fd8377
- 1mo ago First seen · 151 lines · 64 tokens per session scan A 93f8c7020347
f2s-req-plan is a skill published in the GitHub repository double-coding-lab/Flow2Spec (52 stars, last pushed 6d ago), licensed MIT. It adds 64 tokens to every session and 3,100 once invoked, about $0.0003 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 2026-08-30.
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