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.
npx skills add protect-my-hair/nucleus-marketplace --skill requirement-branchgit clone --depth 1 https://github.com/protect-my-hair/nucleus-marketplaceWrote 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/protect-my-hair/nucleus-marketplace/requirement-branch)<a href="https://agentmods.dev/skills/protect-my-hair/nucleus-marketplace/requirement-branch"><img src="https://agentmods.dev/badge/skills/protect-my-hair/nucleus-marketplace/requirement-branch/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/protect-my-hair/nucleus-marketplace/requirement-branch"><img src="https://agentmods.dev/badge/skills/protect-my-hair/nucleus-marketplace/requirement-branch.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 | $0.00028 | $0.00674 |
| Opus 5 | $0.00014 | $0.00337 |
| Sonnet 5 | $0.00006 | $0.00135 |
| Haiku 4.5 | $0.00003 | $0.00067 |
Grade A, and why
requirement-branch 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 13d 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.
What it actually says
Requirement Branch
核心原则
需求特性开发只能在明确的需求分支内推进。
解决什么
本 Skill 只解决一个问题：让 coding agent 在任何需求特性写操作前确认自己处于正确需求分支。
它不创建 PMS 状态，不批准分支策略，不替人工决定版本排期，也不负责实现具体特性。
行为纪律
- 先读取当前任务上下文，确认 requirement id、目标版本分支、期望需求分支命名和 planned writes。
- 读取 git 当前分支、worktree 状态和 dirty 状态。
- 如果已经在明确需求分支，记录证据后返回当前 task。
- 如果不在需求分支，向用户呈现：
- 当前分支。
- 目标需求或需求分支。
- 本次计划写入范围。
- 在当前分支继续的风险。
- 只问一个问题：是否授权创建或切换到需求分支。
- 没有明确授权前停住。
STOP 点
- 未读取上下文：
ALERT_AND_BLOCK。 - 当前分支是主干、版本分支或保护分支：
ALERT_AND_BLOCK。 - 当前分支无法识别且计划有写操作：
ALERT_AND_BLOCK。 - 需要创建或切换分支但缺少明确授权：
ALERT_AND_BLOCK。 - 工作区 dirty 且 dirty 文件和 planned writes 有交叉：
ALERT_AND_BLOCK。
反模式
| 反模式 | 为什么错 | 修正 |
|---|---|---|
| “当前是 master，但只是小改，可以继续” | 需求特性会污染主干 | 停住并请求创建或切换需求分支 |
| “result.json 写了 branch，所以算确认” | 机器结果不能制造授权事实 | 分支授权必须来自上下文或明确回复 |
| “先写代码，最后再建分支” | 变更归属和证据会错位 | 分支确认先于任何写操作 |
| “PMS 会管分支，Nucleus 不用检查” | Nucleus 装在 coding agent 内部，执行前仍要保护现场 | 本地执行前必须检查 |
证据
可记录的机器事实：
- 当前分支。
- worktree root。
- dirty 文件摘要。
- planned writes。
- 用户或 PMS 提供的分支授权 fact id。
这些证据只证明检查发生过，不代表人工已批准开发、PR 审查、合入或发布。
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.
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.
- 13d ago First seen · 63 lines · 28 tokens per session scan A 3bbe6fab27f5
requirement-branch is a skill published in the GitHub repository protect-my-hair/nucleus-marketplace (162 stars, last pushed 1mo ago), licensed MIT. It adds 28 tokens to every session and 674 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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