CkSKILLS: Skill for Claude Code

.agents/skills/report/SKILL.md

report is a skill for Claude Code, Codex from zhaji2333/CkSKILLS. It costs 0 tokens per session (7,210 once invoked), scanned A, original, MIT.

A security-reporting guide for turning a confirmed vulnerability into a submission-ready DOCX report for security response or bug-bounty platforms.

In plain words
What is it for?
Use it after verifying a vulnerability to check for duplicates, document reproduction steps and screenshots, and prepare or update the final report.
Why use it?
It prevents reports based only on a suspicion by requiring a reproducible proof of concept, a real business impact, and confirmation of the affected permission boundary.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

This is zhaji2333/CkSKILLS's own configuration. It tells Claude Code and Codex how to work on CkSKILLS 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 CkSKILLS configures →

Reuse

Borrowing it

Nothing to install: this file belongs to zhaji2333/CkSKILLS. 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/zhaji2333/CkSKILLS/main/.agents/skills/report/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/zhaji2333/CkSKILLS

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 report

README.md
[![agentmods](https://agentmods.dev/badge/skills/zhaji2333/ckskills/report.svg)](https://agentmods.dev/skills/zhaji2333/ckskills/report)
Your own site
<a href="https://agentmods.dev/skills/zhaji2333/ckskills/report"><img src="https://agentmods.dev/badge/skills/zhaji2333/ckskills/report.svg" alt="Measured on agentmods" height="20"></a>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 7,210 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium MCP Rug Pull · line 228
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
How audits are shown
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 $0.00000 $0.07210
Opus 5 $0.00000 $0.03605
Sonnet 5 $0.00000 $0.01442
Haiku 4.5 $0.00000 $0.00721

Measured 3d ago against content hash 5472db7f3e54, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

report scanned grade A with 1 finding 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 3d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

- PoC 给可直接复制粘贴的完整 Burp 原始 HTTP 请求块(**不放 curl**),配真实截图,照做就能看到同样结果。
Origin

Copies of this mod

1 near-identical copy found in the catalogue:

  • report — 89% identical, 59 lines differ
.agents/skills/report/SKILL.md · 296 lines

How it starts

The opening of the file, as written. The whole thing — 296 lines — stays where its author put it; the contents beside it link to each section on GitHub.

report — 漏洞报告成稿收口

EN: This skill turns confirmed vulnerabilities into submission-ready DOCX reports. The body is in Chinese because the target platforms (Chinese SRCs, CNVD/CNNVD, EDUSRC) require Chinese reports; the methodology is language-agnostic. See README.md for an English overview.

这是薄编排层,只做一件事:把已确认的漏洞写成可直接提交给审核方的 DOCX 提交稿。 漏洞怎么挖、怎么验证不在本 skill 范围;但"什么漏洞够格写成报告"的分层验证门已内联在本文,自成一体。

何时用 / 何时不用

  • ✅ 用:漏洞已确认(硬门过了)、准备成稿交付、扩大危害后更新报告、被驳回后追加申诉。
  • ❌ 不用:还在挖 / 还在验证 / 只有单点信号没到终局 → 继续验证,别急着开报告。
  • 成稿前若存在 hunts/<目标>/CLUEBOARD.md,证据链以板上「已证实」行为准(见 hunt-clueboard),不从聊天重新编出处。

前置铁律:无 PoC = 不存在漏洞;影响没落地到链路终局 = 不写报告。P3 以下不写。


分层验证门(成稿前必过,本 skill 自带完整判据)

分两层:硬门(所有漏洞必过,缺一不报)+ 按类型命门(不同类型的"关键钥匙")+ 质量项(尽力,不卡报告)。

硬门(所有漏洞必过,缺一不报)

  1. 先证伪(正常功能排除) — 先假设"这就是正常功能",主动跑否定实验去推翻它:未授权→用 zzz不存在<时间戳> 跑同协议,看是不是 catch-all/公开/样例;越权→用合法 body 重测排除 400 假阳性、POST 排除 SPA 回退;SSRF→确认是不是服务端正常连接功能而非越过边界。证伪不掉,才可能是漏洞;证伪掉了,作废不报。
  2. PoC 可复现 — 能直接粘贴 Burp 原始请求块,不需要额外解释上下文。
  3. 真实业务影响(链路终局,危害要实际打出来) — 拿到别人的 ≥3 个敏感字段真实数据 / 操作真实生效改了别人业务状态 / 凭证实际访问到敏感内容。是数据泄露/账户接管/资金损失/服务端 RCE/内网横向的终局结果,不是中间信号(文档/token/拓扑泄露不是终点),不是"理论上有风险"。打不出实际危害 = 信号作废 = 不报。
  4. 服务端/权限边界确认 — 是服务端或权限边界问题,不是浏览器 JS 假象/调试功能/页面渲染。
  5. 类型命门 — 命中下方按类型命门表中对应行的硬条件。
  6. 链式追问到终局 — 已顺根因穷举同类接口 + 纵深追到危害边界(不是问一层就交),或已记录"为什么到此为止"。

按类型命门表(不同类型,关键钥匙不同)

漏洞类型 命门(硬条件)
数据泄露 别人的数据 + ≥3 敏感字段 + 非公开/非样例/非模板;自己测试账号数据 ≠ 漏洞
越权 / IDOR A/B 交叉证明:A 拥有的资源,B 的 token 能读/改;只读到自己不报
RCE / 命令执行 真实命令执行实证;"别人的数据"对 RCE 天然不适用,能执行命令本身就是危害
SSRF 服务端发出(回调 UA 证明 Java/Go/Python,非客户端 JS fetch)+ 有官方靶场必须先过靶场(不过不收);无靶场必须回显内网数据(云元数据/内网服务 banner/内网页面内容)。DNSlog 只是其中一步:出网响了 = 敲门砖,必须继续打到回显/危害终点,仅 dnslog 记录直接交 = 半成品不收
认证绕过 / ATO 任意用户可绕过/接管,不只证明自己能登自己号;OAuth/JWT/密码重置逻辑要 A/B 双账号证明
业务逻辑 / 资金 操作真实生效 + 影响的是他人业务状态(金额/订单/状态机跳转),不是自己测试数据
文件上传 造成实际效果才算:webshell 可执行(getshell)或存储型 XSS 触发(HTML/SVG 被服务端解析);只传上去/能访问但纯存储不解析 = 不成立
注入 (SQL/NoSQL/SSTI/XXE) 有确定输出/副作用证明(错误回显、时间差、OOB marker),不是"报错就报";SQL 注入最低共识 = 注出库名 database()(盲注需时间差 + 库名内容,特殊情况另议)

Read the full file on GitHub · 296 lines

Files

What ships with it

6 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. 3d ago Changed · +1 lines 5472db7f3e54
  2. 8d ago First seen · 295 lines · 0 tokens per session scan A fa92370affc3

Subscribe to this mod's changes

report is a skill published in the GitHub repository zhaji2333/CkSKILLS (76 stars, last pushed 7d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 7,210 tokens. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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