What is a Claude Code Skill?

A Claude Code Skill is a specialized capability that provides domain-specific guidance and implementation patterns to enhance Claude's behavior during coding tasks.

Does this skill follow official Anthropic guidelines?

Yes, it incorporates best practices from official Anthropic documentation, the Agent SDK, and the Claude Cookbooks to ensure technical compliance.

How does the Skill Builder automate the creation process?

It uses a sequence of specialized agents—Prompt-Writer, Architect, Builder, Reviewer, and Tester—to move from an initial idea to a validated, production-ready skill.

Can I use this to build slash commands?

Absolutely. The Skill Builder supports the creation of standard skills, specialized agents, slash commands, and production tool scenarios.

What is the token limit for skills created with this tool?

The Skill Builder aims for a 'ruthless simplicity' approach, validating that the core skill remains under a 5,000-token budget for optimal performance.

Claude Skill Builder

Name: Claude Skill Builder
Author: rysweet

byrysweet

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Productivity & Workflow

Automates the creation, refinement, and validation of production-ready Claude Code skills using standardized best practices and multi-agent orchestration.

Claude Skill Builder is a comprehensive orchestration tool designed to help developers create high-quality Claude Code skills following the amplihack philosophy of ruthless simplicity. It leverages specialized agents to handle the entire lifecycle of skill development—from requirement clarification and token budget architecture to YAML validation and test case generation. By integrating official Anthropic documentation with automated quality checks, it ensures that every skill is performant, properly formatted, and ready for discovery within the Claude environment.

Key Features

01Built-in compliance checking for official Anthropic best practices

02Support for multiple skill types including agents, commands, and scenarios

03Automated generation of activation tests and edge case validations

0416 GitHub stars

05Multi-agent orchestration for clarification, design, building, and validation

06Automatic YAML frontmatter syntax and token budget verification

Use Cases

01Rapidly prototyping new autonomous agents for specialized coding workflows

02Standardizing existing scripts into valid Claude Code slash commands

03Validating and optimizing skill performance to stay within token limits

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add rysweet/amplihack skill-builder

For use in Claude.ai and ChatGPT

Download Skill