skill-creator

Guide users through creating and iterating Claude skills with SKILL.md and automated evals.

1|Updated Apr 5, 2026
One-click install
npx skills add https://github.com/mortenbroesby/playground --skill skill-creator-mortenbroesby
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: skill-creator
Source: https://github.com/mortenbroesby/playground/tree/main/.skills/skill-creator
Command: npx skills add https://github.com/mortenbroesby/playground --skill skill-creator-mortenbroesby

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires yaml, and includes scripts (resource) and references (resource) components.

What problem does it solve?

Helps teams create, test, and continuously improve Claude skills by providing a structured, repeatable workflow for skill design, evaluation, and documentation.

Core Features & Use Cases

  • Progressive scaffolding: ensures SKILL.md frontmatter exists and supports optional bundles (scripts/references/assets) for on-demand execution and documentation.
  • Automated evaluation loop: runs trigger tests across a curated eval set, aggregates results, and suggests improvements to the skill description.
  • Artifact generation and packaging: provides scripts to validate, package, benchmark, and report on skills, enabling consistent deployment and iteration.
  • Collaboration and versioning: maintains history and iteration records for skill evolution and comparison.

Quick Start

Draft a new skill using the SKILL.md template, connect it to the built-in eval loop, and run iterative improvements until the results stabilize.

Frequently Asked Questions about skill-creator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate Claude skill creation and evaluation?

You can automate Claude skill creation by defining intent, writing a SKILL.md file, and running an automated evaluation loop that triggers tests across a curated set to aggregate results and suggest description improvements.

What is a structured workflow for prompt engineering iteration?

A structured prompt engineering iteration workflow involves drafting a SKILL.md template, connecting it to an automated eval loop, and running guided improvements until test results stabilize and the skill description is optimized.

Do I need YAML to build and package Claude skills?

Yes, you need YAML to define the frontmatter in the SKILL.md template, which supports optional bundles like scripts, references, and assets for on-demand execution and documentation during skill creation.

Can I use scripts to benchmark and validate Claude skills?

Yes, you can use provided scripts to validate, package, benchmark, and report on Claude skills, enabling consistent deployment and continuous iteration throughout the skill lifecycle.

What's the best way to maintain versioning history for Claude skills?

The best way to maintain versioning history for Claude skills is by using a workflow that records iteration results and maintains history, allowing you to track skill evolution and compare improvements over time.

Why does my Claude skill description fail trigger tests?

Your Claude skill description may fail trigger tests if it lacks clarity or alignment with the eval set, requiring you to run the automated evaluation loop to aggregate results and apply suggested improvements.