skill-creator

skill-creator is a skill for Claude Code, Codex from rushengzhou/sid-code. It costs 20 tokens per session (1,755 once invoked), scanned A, original, MIT.

A guided helper for creating a new coding-agent skill, meaning a set of instructions that teaches the agent how to handle a particular task.

In plain words
What is it for?
Use it to collect a skill’s name, description, and trigger conditions, choose its execution mode and resources, and generate the skill files.
Why use it?
It organizes the decisions needed for a skill, such as how it runs, what tools it uses, and which supporting files it needs.

Skill for Claude CodeCodex

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

Good fit Use it to collect a skill’s name, description, and trigger conditions, choose its execution mode and resources, and generate the skill files.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/rushengzhou/sid-code/skill-creator
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.

Any agent
npx skills add rushengzhou/sid-code --skill skill-creator
Clone the repo
git clone --depth 1 https://github.com/rushengzhou/sid-code

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 skill-creator

README.md
[![agentmods](https://agentmods.dev/badge/skills/rushengzhou/sid-code/skill-creator/github.svg)](https://agentmods.dev/skills/rushengzhou/sid-code/skill-creator)
Your own site
<a href="https://agentmods.dev/skills/rushengzhou/sid-code/skill-creator"><img src="https://agentmods.dev/badge/skills/rushengzhou/sid-code/skill-creator/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.

agentmods 80×15 button for skill-creator

Your own site · 80×15
<a href="https://agentmods.dev/skills/rushengzhou/sid-code/skill-creator"><img src="https://agentmods.dev/badge/skills/rushengzhou/sid-code/skill-creator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 20 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,755 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00020 $0.01755
Opus 5.5 $0.00008 $0.00702
Sonnet 5.5 $0.00004 $0.00351
Haiku 4.5 $0.00002 $0.00176

Measured 1mo ago against content hash b7eab5174293, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

skill-creator 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.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/init_skill.ts), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

packages/core/src/skill/builtin/skill-creator/SKILL.md · 194 lines

How it starts

The opening of the file, as written. The whole thing — 194 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Skill Creator - Skill 创建助手

你是一个专门帮助用户创建新 Skill 的助手。当用户想要创建新的 Skill 时,按照以下流程引导:

创建流程

交互原则:凡是选项可枚举的决策点(执行模式、资源目录、工具集、轮次/超时档位), 一律用 ask_user_question 工具弹结构化选项让用户键盘选,不要用自由问话逐条口头问、 逼用户手敲回答(慢且啰嗦)。只有名称/描述/何时使用这类自由文本才让用户直接描述。

1. 收集基本信息

自由文本项——直接请用户提供(这些无法枚举成选项,让用户自由描述):

  • Skill 名称:slug 格式(小写字母、数字、连字符、下划线),例如 code-review、pdf-processor
  • 描述:简洁描述 Skill 的功能(1-2 句话)
  • 何时使用:触发条件,帮助 LLM 判断何时调用此 Skill

执行模式——用 ask_user_question 弹二选一(这是决定后续整个文件结构的关键岔路口):

  • activate:上下文注入模式,适合需要持续交互、访问资源文件的场景
  • delegate:子代理执行模式,适合独立任务、一次性执行的场景

可与上面的自由文本项合并到同一次询问的思路里:先请用户描述名称/描述/触发条件, 再用 ask_user_question 让其选执行模式,避免来回打断。

2. 确定工具和资源

根据执行模式,继续用 ask_user_question 收集(都是可枚举项,勿口头问):

activate 模式——问"需要哪些资源目录",设 multiSelect: true(可多选):

  • scripts/:可执行脚本(如数据处理脚本)
  • references/:参考文档(如 API 文档、规范)
  • assets/:输出资源(如模板文件)

delegate 模式:

  • 工具集:用 ask_user_question + multiSelect: true 让用户勾选常用工具 (read / write / edit / bash;grep、glob 等更多工具可让用户用"其他"补充, 因单题最多 4 选项)
  • 轮次 / 超时:用 ask_user_question 给档位化选项,别让用户手敲数字:
    • 默认(10 轮 / 2 分钟)(推荐,适合大多数 Skill)
    • 复杂任务(30 轮 / 10 分钟)
    • 长任务(50 轮 / 30 分钟) 用户没有特别要求时直接用"默认"档并注明,不必强制弹问。

3. 生成 Skill 文件

根据用户选择的模式,生成对应的文件结构:

扁平文件模式(delegate 模式,无资源文件):

~/.sid-code/skills/my-skill.md

子目录模式(activate 模式,有资源文件):

~/.sid-code/skills/my-skill/
  SKILL.md
  scripts/
  references/
  assets/

4. 编写 SKILL.md 内容

生成包含以下部分的 SKILL.md:

---
name: skill-name
description: 简洁描述
when-to-use: 触发条件
mode: activate|delegate
# delegate 模式专用字段
allowed-tools: read, write, grep  # 可选
max-turns: 10                     # 可选
timeout-mins: 2                   # 可选
---

# Skill 标题

## 功能说明
[详细说明 Skill 的功能和使用方法]

## 使用示例
[提供具体的使用示例]

## 注意事项
[列出使用时的注意事项]

5. 创建资源文件(activate 模式)

如果用户选择了 activate 模式并需要资源文件,为每个资源目录创建示例文件:

scripts/:

  • 创建示例脚本文件(.ts/.js/.sh)
  • 添加注释说明脚本用途和参数

references/:

  • 创建参考文档(.md)
  • 说明 API、规范或最佳实践

assets/:

  • 创建模板文件
  • 说明如何使用这些资源

Read the full file on GitHub · 194 lines

Files

What ships with it

1 file 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. 1mo ago First seen · 194 lines · 20 tokens per session scan A b7eab5174293

Subscribe to this mod's changes

skill-creator is a skill published in the GitHub repository rushengzhou/sid-code (2 stars, last pushed 1mo ago), licensed MIT. It adds 20 tokens to every session and 1,755 once invoked, about $0.0001 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 2026-08-31.

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