yuns-engineer

yuns-engineer is a skill for Claude Code, Codex from yunsii/wezdeck. It costs 71 tokens per session (1,983 once invoked), scanned A, original, MIT.

A method for making engineering decisions by gathering evidence, comparing options, choosing one, checking the result, and recording lessons that apply elsewhere.

In plain words
What is it for?
Use it to investigate unfamiliar code or libraries, choose between approaches, review designs, verify completed work, handle failed commands, and capture reusable engineering practices.
Why use it?
It helps turn uncertain or multi-option technical problems into explicit decisions based on evidence instead of guesses or unexamined preferences.

Skill for Claude CodeCodex

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

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.

agentmods
npx agentmods add skills/yunsii/wezdeck/yuns-engineer
Any agent
npx skills add yunsii/wezdeck --skill yuns-engineer
Clone the repo
git clone --depth 1 https://github.com/yunsii/wezdeck

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 yuns-engineer

README.md
[![agentmods](https://agentmods.dev/badge/skills/yunsii/wezdeck/yuns-engineer.svg)](https://agentmods.dev/skills/yunsii/wezdeck/yuns-engineer)
Your own site
<a href="https://agentmods.dev/skills/yunsii/wezdeck/yuns-engineer"><img src="https://agentmods.dev/badge/skills/yunsii/wezdeck/yuns-engineer.svg" alt="Measured on agentmods" height="20"></a>
Per session 71 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,983 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00071 $0.01983
Opus 5 $0.00036 $0.00992
Sonnet 5 $0.00014 $0.00397
Haiku 4.5 $0.00007 $0.00198

Measured 6d ago against content hash 9790749f7183, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

yuns-engineer 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 6d 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.

scripts/dev/yuns-engineer/SKILL.md · 198 lines

How it starts

The opening of the file, as written. The whole thing — 198 lines — stays where its author put it; the contents beside it link to each section on GitHub.

yuns-engineer · 工程师思维

定位

眼前具体问题做工程师级裁决:取证 → 选型 → 行动 → 验证 → 沉淀可迁移经验

  • 编排环境里已有能力,不重造
  • 不展开写码通道/流程神学;有项目惯例就按惯例
  • 经验必须可迁移;产品/工具专名只作检索线索,不写进原则正文

厚度来自:① 真实能力路由 ② 从方案与会话抽象出的实践原则(持续采矿)。

何时加载

  • 问题分叉、要推荐、要「下一格」
  • 多选项 / 将问用户
  • 需要含调研的工程师式推进
  • 任务结束要跑进化钩子

不加载: 只要发散点子 → brainstorm;只要审 runtime diff → adversarial-review。

主循环

1. 问题卡:要解决 / 不在范围 / 怎样算好 / 约束
2. 取证:memory → 仓内 → 外仓文档/库文档/官方(按需)
3. 阶段感:0→1 | 痛点进一格 | 硬化 | 退役 | 回灌(不必死背编号)
4. 选项:不做 / 最小修 / 进一格 / 先查清 …(合理子集)
5. 裁决:唯一推荐 + 置信度 + 依据(含已调用能力)
6. 行动 + 验证
7. 进化:通用经验?沉淀?晋升?退役?

问题卡

## 问题
- 具体要解决 / 不在范围 / 怎样算好

## 取证
- 已调用 / 关键发现 / 仍未知

## 判断
- 选项与利弊
- **推荐:**(置信度 · 依据)

## 下一步
- 立刻做 / 需要拍板

## 进化
- 通用经验:无 | …
- 沉淀:否 | 记忆候选 | 写入 references

能力路由

问题需要选型;环境有对应 skill/MCP/CLI 就调用,没有则只读调查并标明缺口。

需要 优先
陌生外仓架构/API 地图 外仓文档问答(如 DeepWiki)
第三方库现行用法 现行文档索引(如 Context7)/ 官方页
自己的历史决策 memory
当前仓实现 读搜代码 + git
Issue/PR 现状 gh / 等价
多路想法 brainstorm → 本 skill 收敛
runtime 代码 diff 质检 adversarial-review(真多角色,禁独白冒充)
既有设计/RFC 评价 设计评审(不默认对抗审查)
UI 验收 浏览器真实验收
命令失败 错误闭环
危险操作 环境风险闸

硬规则: 外仓怎么工作 / 库现行 API —— 有专用取证能力就必须用(或报失败),禁止空口硬答。

口诀:外仓→文档问答 · 库→现行文档 · 先例→memory · 发散→brainstorm 后收敛 · 审码→对抗审查 · 失败→闭环 · 怎么选→本 skill。

实践原则

细节证据见 references/mined-patterns.md。原则只写可迁移句。

推进

ID 原则 触发 → 行动
E01 先闭环再平台化 0→1 → 垂直最小可演示
E02 痛点驱动只进一格 真痛 → 只加一层能力
E03 闭环后优先可观测 状态靠人脑 → 最小状态源
E04 双轨必有死线 两套并存 → 选真相、迁移、删旧
E05 落地看效果 争论过久 → 最小可验证实验
E06 落实=评审到交付闭环 「落地/落实」→ 评审→验证→整洁提交→推送→汇报
E07 重试前先变策略 连续失败 → 改路径再试

取证

ID 原则
E10 外仓不靠瞎编
E11 库文档要现行
E12 先搜自己的判例
E13 仓内→官方→社区;采用/改编/拒绝各一句

质量与结构

ID 原则
E20 名实相符:真多角色/真分阶段,否则降级命名
E21 单源优于复制
E22 政策可执行(docs/skill/脚本)
E23 渐进披露:入口短、细节按需
E24 失败必闭环;不发明 pass

协作

ID 原则
E30 默认推进,少空转确认
E31 多选项必须说明型提问(推荐+证据)
E32 能力移除后卸净依赖,不只改文档
E33 控制面与实现面可分层,不双写抢权
E34 个人仓历史宜整洁:按边界合理压缩;仅己方可 force-with-lease(数量不强制)

Read the full file on GitHub · 198 lines

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. 6d ago First seen · 198 lines · 71 tokens per session scan A 9790749f7183

Subscribe to this mod's changes

yuns-engineer is a skill published in the GitHub repository yunsii/wezdeck (5 stars, last pushed 2d ago), licensed MIT. It adds 71 tokens to every session and 1,983 once invoked, about $0.0004 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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