Create A New Skill

by testdouble

Create A New Skill is an AI Engineering skill for Claude Code, published by testdouble in han.

253 stars22 forkson testdouble/hanAdded 2026/09/02+9% in starsRepository updated 2026/09/01

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claudeclaude-codeclaude-code-pluginclaude-skillscode-reviewdocumentationinvestigationplanningreview

Install in seconds

Install Create A New Skill

Copy Create A New Skill into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/testdouble/han/tree/main/docs/how-to ~/.claude/skills/how-to

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/testdouble/han.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: docs/how-to/create-a-new-skill.md in testdouble/han
Installs to: ~/.claude/skills/how-to
Collection: One of 25 skills cataloged from this repository
Category: AI Engineering — 2631 skills

What Create A New Skill does

Create A New Skill walks you through building a Claude Code skill with /skill-builder, from framing the request to writing the skill files and review notes. Use it when you want to add a deterministic skill to an existing or new plugin.

Create A New Skill is cataloged under AI Engineering on DirSkills. Create A New Skill comes from a repository tagged claude, claude-code, claude-code-plugin, claude-skills and code-review.

Documentation

README

Excerpt

How To: Create a New Skill

A walkthrough for building a new Claude Code skill from scratch with /skill-builder. You describe what the skill should do, answer the interview that walks the skill's design tree decision-by-decision, and end with a real skill on disk that has already passed a guidance-conformance review. This is the recipe for using the builder; the skill-building guidance is canonical for the rules the builder enforces.

This is the opening of the README. Read the full README on GitHub.

Commands Create A New Skill provides

Slash commands named in this skill’s SKILL.md, listed in the order they first appear.

/skill-builder
/guidance
/plugin
/agent-builder

Frequently asked about Create A New Skill

What else does testdouble publish alongside Create A New Skill?
Create A New Skill is one of 25 skills that DirSkills catalogs from testdouble/han, the repository it ships in. Its siblings there include Architectural Analysis, Automated Test Planning and Code Overview. Each one is a separate skill with its own page in this directory, installs the same way Create A New Skill does, and is maintained by testdouble in that same repository. The rest of the collection is listed on the testdouble/han page.
How does Create A New Skill compare to other AI Engineering skills?
Create A New Skill ranks #2297 by stars among the 2631 AI Engineering skills in this catalog. The most-starred ones next to it are Architecture Decision Records, AI-First Engineering and Agentic OS. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Create A New Skill against them. Open each page to compare what they document and how they install.