What directory structure does this skill recommend?

It follows a progressive disclosure pattern using a core SKILL.md file supported by a scripts/ folder for deterministic logic, a references/ folder for deep domain knowledge, and an assets/ folder for templates.

What is an Anthropic Skill Creator?

It is a specialized framework for designing and optimizing skills for Claude Code, ensuring they trigger correctly and follow Anthropic's architectural best practices for modularity and reliability.

How does it help with over-triggering?

It provides specific guidelines for frontmatter design, including the use of negative triggers and tightened scope language to ensure the skill only activates for its intended use cases.

Can I use it to fix existing Claude skills?

Yes, it includes specific iteration rules and troubleshooting guides to identify and resolve common issues like inconsistent outputs, failed tool calls, or slow behavior in existing skills.

Anthropic Skill Creator

Name: Anthropic Skill Creator
Author: s-hiraoku

bys-hiraoku

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Productivity & Workflow

Architects and optimizes specialized Claude Code skills based on Anthropic's best practices for triggering, reliability, and modular design.

The Anthropic Skill Creator is a comprehensive framework for designing, reviewing, and improving Claude skills according to official Anthropic standards. It guides developers through the entire skill lifecycle—from defining concrete use cases and crafting high-precision frontmatter to structuring resources across scripts, references, and assets. By implementing standardized test protocols for triggering and performance, it helps eliminate common issues like over-triggering or inconsistent execution, ensuring that custom AI capabilities remain concise, composable, and production-ready.

Key Features

01Standardized skill scaffolding based on Anthropic's official architectural guides.

02Optimization workflows for SKILL.md frontmatter to ensure accurate triggering.

03Integrated testing protocols for triggering accuracy and functional reliability.

040 GitHub stars

05Modular resource management using dedicated scripts, references, and asset directories.

06Iteration rules for fixing under-triggering, over-triggering, and execution failures.

Use Cases

01Building automated test suites to validate skill behavior across diverse user prompts.

02Refactoring existing skills to improve trigger precision and reduce token overhead.

03Developing a new domain-specific skill from scratch with standardized scaffolding.

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add s-hiraoku/synapse-a2a anthropic-skill-creator

For use in Claude.ai and ChatGPT

Download Skill