skill-creator

Name: skill-creator
Rating: 5 (713 reviews)
Author: mrgoonie

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

TL;DR

Guide for creating modular, context-efficient skills with specialized knowledge and tools.

What Is It

Modular packages extending Claude's capabilities
Provide domain expertise, workflows, and tool integrations
Enable specialized, onboarding-like agent functionality
Follow progressive disclosure for context management

Key Features

Specialized workflows for specific domains
Tool integrations with APIs or file formats
Domain-specific knowledge and schemas
Bundled scripts, references, and assets
Progressive disclosure reduces context load
Supports dynamic loading of referenced files
Environment variables follow strict precedence
Scripts must have tests and .env.example

How to Use

1.Create SKILL.md with YAML frontmatter (name, description)
2.Keep SKILL.md under 200 lines; split if needed
3.Reference scripts and markdowns in metadata
4.Place scripts in scripts/ with .env and tests
5.Store detailed docs in references/ for on-demand loading
6.Store output files (templates, assets) in assets/

Guardrails & Gotchas

SKILL.md must be less than 200 lines
Scripts must be in Python/Node.js, not Bash (Windows support)
All scripts must have .env.example and tests
Avoid duplication between SKILL.md and references
Use progressive disclosure to manage context size
Metadata descriptions must be concise and actionable

GitHub Stats

Author

@mrgoonie

Repository

mrgoonie/claudekit-skills

Stars

713

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