Skills Builder

Creates world-class agent Skills following Anthropic's official specifications and best practices. Use when building custom Skills for web, desktop, or API - handles validation, generation, and packaging.

6 stars 1 forksAI, LLMs & Agents

Install

skills CLI (Claude Code, Cursor, Codex and more)
npx skills add jaystarz1/Claude-Skill-Builder --skill skills-builder
Manual install
git clone --depth 1 https://github.com/jaystarz1/Claude-Skill-Builder.git /tmp/Claude-Skill-Builder
mkdir -p ~/.claude/skills
cp -r /tmp/Claude-Skill-Builder/. ~/.claude/skills/skills-builder

Personal skills live in ~/.claude/skills. Use .claude/skills in a project folder to share a skill with your team.

From the SKILL.md

# Building Claude Skills

A comprehensive skill-builder that creates production-ready Claude Skills following all official Anthropic guidelines.

## When to Use
- User wants to create a new Claude Skill
- User says "build a skill", "create a skill", "make a skill"
- **User wants to update, modify, or fix an existing skill**
- User wants to validate or improve an existing skill
- User needs to package a skill for upload
- User asks about Skills best practices or architecture

## ⚠️ CRITICAL REQUIREMENT: Filesystem MCP

**This skill REQUIRES the filesystem MCP to function properly.**

### Why Filesystem MCP is Mandatory

Without filesystem MCP, Claude can only create files in a temporary container (`/home/claude/`) that:
- ❌ Disappear when the session ends
- ❌ Are NOT accessible on your computer
- ❌ Cannot be uploaded to Claude Desktop
- ❌ Waste your time with fake success messages

**With filesystem MCP:**
- ✅ Files created directly on your computer in ~/skills/
- ✅ Skills immediately available
- ✅ No manual copying required
- ✅ Works reliably every time

### Installation Guide

**1. Locate your Claude Desktop config file:**

- **macOS/Linux**: `~/.config/Claude/claude_desktop_config.json`
- **Windows**: `%APPDATA%\Claude\claude_desktop_config.json`

**2. Add filesystem MCP configuration:**
Read the full skill on GitHub

Details

Skill name
skills-builder
License
Apache-2.0
Repo updated
21 October 2025

FAQ

What does the Skills Builder skill do?

Creates world-class agent Skills following Anthropic's official specifications and best practices. Use when building custom Skills for web, desktop, or API - handles validation, generation, and packaging.

How do I install the Skills Builder skill?

skills CLI (Claude Code, Cursor, Codex and more): npx skills add jaystarz1/Claude-Skill-Builder --skill skills-builder. Skills go in ~/.claude/skills (personal) or .claude/skills (project), and Claude loads them automatically when a task matches the description.

Is Skills Builder popular?

It lives in jaystarz1/Claude-Skill-Builder, which has 6 GitHub stars and 1 forks.

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