create-skill

create-skill is a skill for Claude Code, Codex from kensaurus/cursor-kenji. It costs 51 tokens per session (2,040 once invoked), scanned A, original, MIT.

A guide for creating Agent Skills in Cursor: markdown instructions that teach the agent how to handle a specialised task.

In plain words
What is it for?
Use it to plan, write, update, or troubleshoot skills stored in Cursor project or personal folders.
Why use it?
It helps avoid duplicate skills and keeps each skill focused, correctly structured, and easy to trigger.

Skill for Claude CodeCodex

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/kensaurus/cursor-kenji/create-skill
Any agent
npx skills add kensaurus/cursor-kenji --skill create-skill
Clone the repo
git clone --depth 1 https://github.com/kensaurus/cursor-kenji

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 create-skill

README.md
[![agentmods](https://agentmods.dev/badge/skills/kensaurus/cursor-kenji/create-skill.svg)](https://agentmods.dev/skills/kensaurus/cursor-kenji/create-skill)
Your own site
<a href="https://agentmods.dev/skills/kensaurus/cursor-kenji/create-skill"><img src="https://agentmods.dev/badge/skills/kensaurus/cursor-kenji/create-skill.svg" alt="Measured on agentmods" height="20"></a>
Per session 51 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,040 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 $0.00051 $0.02040
Opus 5 $0.00026 $0.01020
Sonnet 5 $0.00010 $0.00408
Haiku 4.5 $0.00005 $0.00204

Measured yesterday against content hash f04b46afc373, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

create-skill 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 yesterday.

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-cursor/create-skill/SKILL.md · 248 lines

How it starts

The opening of the file, as written. The whole thing — 248 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Creating Skills in Cursor

This skill guides you through creating effective Agent Skills for Cursor. Skills are markdown files that teach the agent how to perform specific tasks: reviewing PRs using team standards, generating commit messages in a preferred format, querying database schemas, or any specialized workflow.

CRITICAL: Check Existing First

Before creating ANY skill, verify:

  1. Check for existing skills:
ls -la ~/.cursor/skills/*/SKILL.md 2>/dev/null
ls -la .cursor/skills/*/SKILL.md 2>/dev/null
  1. Check for similar functionality:
grep -r "description:" ~/.cursor/skills/*/SKILL.md 2>/dev/null
  1. Consider extending vs creating:
  • Could an existing skill be enhanced?
  • Would a rule be more appropriate than a skill?

Why: Avoid skill duplication. Skills should have clear, distinct purposes.

Before You Begin: Gather Requirements

Before creating a skill, gather essential information from the user about:

  1. Purpose and scope: What specific task or workflow should this skill help with?
  2. Target location: Should this be a personal skill (~/.cursor/skills/) or project skill (.cursor/skills/)?
  3. Trigger scenarios: When should the agent automatically apply this skill?
  4. Key domain knowledge: What specialized information does the agent need that it wouldn't already know?
  5. Output format preferences: Are there specific templates, formats, or styles required?
  6. Existing patterns: Are there existing examples or conventions to follow?

Inferring from Context

If you have previous conversation context, infer the skill from what was discussed. You can create skills based on workflows, patterns, or domain knowledge that emerged in the conversation.

Gathering Additional Information

If you need clarification, use the AskQuestion tool when available:

Example AskQuestion usage:
- "Where should this skill be stored?" with options like ["Personal (~/.cursor/skills/)", "Project (.cursor/skills/)"]
- "Should this skill include executable scripts?" with options like ["Yes", "No"]

Read the full file on GitHub · 248 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. yesterday First seen · 248 lines · 51 tokens per session scan A f04b46afc373

Subscribe to this mod's changes

create-skill is a skill published in the GitHub repository kensaurus/cursor-kenji (9 stars, last pushed 7d ago), licensed MIT. It adds 51 tokens to every session and 2,040 once invoked, about $0.0003 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 2026-09-03.

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