SKILL.md Builder

SKILL.md Builder is an AI Engineering skill for Claude Code, published by jeremylongshore in claude-code-plugins-plus-skills.

2.6K stars378 forkson jeremylongshore/claude-code-plugins-plus-skillsAdded 2026/07/19+1% in starsRepository updated 2026/08/06

View source on GitHub Download repo ZIP

agent-skillsaiai-agentsanthropicautomationclaude-codeclaude-code-pluginsdeveloper-toolsdevopsllmmarketplacemcpplugin-marketplaceplugin-systemsaasskills

Install in seconds

Install SKILL.md Builder

Copy SKILL.md Builder 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/jeremylongshore/claude-code-plugins-plus-skills/tree/main/marketplace/src/content/docs/getting-started ~/.claude/skills/getting-started

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/jeremylongshore/claude-code-plugins-plus-skills.git

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

In this catalog

Source file: marketplace/src/content/docs/getting-started/first-skill.md in jeremylongshore/claude-code-plugins-plus-skills
Installs to: ~/.claude/skills/getting-started
Collection: One of 53 skills cataloged from this repository
Category: AI Engineering — 3670 skills

What SKILL.md Builder does

Learn to write SKILL.md files, the building blocks of Claude Code plugins, with a step-by-step guide covering frontmatter schema, instruction design, testing, and iteration.

SKILL.md Builder is cataloged under AI Engineering on DirSkills. SKILL.md Builder comes from a repository tagged agent-skills, ai, ai-agents, anthropic and automation.

Documentation

README

Excerpt

Overview

Skills are the core building blocks of Claude Code plugins. A skill is a single markdown file named SKILL.md that tells Claude how to perform a specific task -- code review, database migration, security scanning, or anything else you can express in structured instructions. When Claude detects that your request matches a skill's trigger conditions, it loads the skill automatically and follows its methodology.

This guide explains the anatomy of a SKILL.md file, walks you through building one from scratch, and shows how to test and refine it until it performs reliably.

What is a SKILL.md file

A SKILL.md file lives inside a plugin at skills/<skill-name>/SKILL.md. It contains two parts:

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

Commands SKILL.md Builder provides

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

/plugin

Frequently asked about SKILL.md Builder

What else does jeremylongshore publish alongside SKILL.md Builder?
SKILL.md Builder is one of 53 skills that DirSkills catalogs from jeremylongshore/claude-code-plugins-plus-skills, the repository it ships in. Its siblings there include Agency OS, Anti-Deception and Audit. Each one is a separate skill with its own page in this directory, installs the same way SKILL.md Builder does, and is maintained by jeremylongshore in that same repository. The rest of the collection is listed on the jeremylongshore/claude-code-plugins-plus-skills page.
How does SKILL.md Builder compare to other AI Engineering skills?
SKILL.md Builder ranks #778 by stars among the 3670 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 SKILL.md Builder against them. Open each page to compare what they document and how they install.