skill-creator

skill-creator is a skill for Claude Code from wpsnote/wpsnote-skills. It costs 59 tokens per session (1,048 once invoked), scanned A, original, MIT.

A guide and workflow for creating or improving coding-agent skills, which are instruction packages that teach an agent how to handle a specific task. It helps clarify the goal, write the instruction file, organize supporting materials, and review the result.

In plain words
What is it for?
Use it to create a skill from scratch, revise an existing one, package it, or improve its trigger description.
Why use it?
It provides structure for turning an idea into usable instructions instead of leaving the skill's behavior unclear or inconsistent.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the base-skills plugin — 6 skills shipped together

Good fit Use it to create a skill from scratch, revise an existing one, package it, or improve its trigger description.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/wpsnote/wpsnote-skills/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 wpsnote/wpsnote-skills --skill skill-creator
Clone the repo
git clone --depth 1 https://github.com/wpsnote/wpsnote-skills

Made for: Claude Code.

Or install base-skills, the plugin that ships this one along with the rest of its 6 skills.

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/wpsnote/wpsnote-skills/skill-creator/github.svg)](https://agentmods.dev/skills/wpsnote/wpsnote-skills/skill-creator)
Your own site
<a href="https://agentmods.dev/skills/wpsnote/wpsnote-skills/skill-creator"><img src="https://agentmods.dev/badge/skills/wpsnote/wpsnote-skills/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/wpsnote/wpsnote-skills/skill-creator"><img src="https://agentmods.dev/badge/skills/wpsnote/wpsnote-skills/skill-creator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 59 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,048 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 $0.00059 $0.01048
Opus 5.5 $0.00024 $0.00419
Sonnet 5.5 $0.00012 $0.00210
Haiku 4.5 $0.00006 $0.00105

Measured 1mo ago against content hash 9d36be6616d4, 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 4 executable files (scripts/__init__.py, scripts/package_skill.py, scripts/quick_validate.py, …), 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.

skills/skill-creator/SKILL.md · 128 lines

How it starts

The opening of the file, as written. The whole thing — 128 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Skill Creator

This skill helps create and refine agent skills without assuming a heavy assessment framework. Keep the work practical: clarify what the skill should do, write the smallest useful instruction set, add supporting files only when they reduce repeated work, and validate the result with simple review prompts or real usage examples when helpful.

Working Style

  • Prefer clear skill boundaries over broad, generic behavior.
  • Keep SKILL.md readable and focused. Move long reference material into references/, reusable code into scripts/, and reusable templates or static files into assets/.
  • Do not create formal scoring harnesses by default. If the user asks for deeper validation, agree on the method first and keep it outside the published skill unless it is mature enough to maintain.
  • Use the repository's existing skill style when modifying a skill in an existing collection.
  • When in doubt, optimize for a skill that a future agent can load quickly and follow reliably.

Workflow

1. Capture Intent

Start by extracting what the user wants the skill to enable. If the current conversation already contains the workflow, derive the answer from that context before asking follow-up questions.

Clarify:

  1. What task or workflow should the skill help with?
  2. When should the skill trigger, and when should it not trigger?
  3. What inputs does the skill expect?
  4. What output or side effect should the user receive?
  5. What tools, files, apps, MCP servers, or external services are required?

Ask only for missing details that materially affect the skill design.

2. Draft the Skill

Create or update SKILL.md with:

  • YAML frontmatter containing name and description.
  • A concise overview of what the skill does.
  • Trigger boundaries and non-goals when they prevent confusion.
  • Step-by-step operating instructions.
  • Tooling notes, file locations, and safety constraints.
  • Output expectations.

The description is the main trigger signal. Make it specific enough that an agent can decide when to load the skill from metadata alone.

Read the full file on GitHub · 128 lines

Files

What ships with it

5 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. 1mo ago First seen · 128 lines · 59 tokens per session scan A 9d36be6616d4

Subscribe to this mod's changes

skill-creator is a skill published in the GitHub repository wpsnote/wpsnote-skills (183 stars, last pushed yesterday), licensed MIT. It adds 59 tokens to every session and 1,048 once invoked, about $0.0002 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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