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agent-development

Guide agent development in Claude Code plugins with Markdown and YAML frontmatter.

Updated Jun 16, 2026
Search Tags:#system prompt#Claude Code#agent development#triggering conditions#agent structure
One-click install
npx skills add https://github.com/breakingcircuits1337/agent-skills --skill agent-development-breakingcircuits1337
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: agent-development
Source: https://github.com/breakingcircuits1337/agent-skills/tree/main/agent-development
Command: npx skills add https://github.com/breakingcircuits1337/agent-skills --skill agent-development-breakingcircuits1337

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) and examples (resource) components.

What problem does it solve?

This Skill provides a comprehensive guide for developing and utilizing agents within Claude Code plugins, addressing the complexities of agent structure, triggering conditions, and system prompts.

Core Features & Use Cases

  • Agent Structure: Offers detailed instructions on agent file format, including frontmatter fields and system prompt structure.
  • Triggering Conditions: Explains how to define clear, actionable triggering conditions for agents.
  • System Prompt Design: Provides a template for designing system prompts to guide agent behavior effectively.
  • Agent Creation Methods: Includes both AI-assisted and manual creation methods for agents.
  • Agent Validation: Offers validation rules and testing procedures for ensuring agent functionality.

Quick Start

Use the agent-development skill to generate an agent configuration for reviewing code quality based on your specific requirements.

Frequently Asked Questions about agent-development

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I create a custom agent for Claude Code plugins?▼

To create a custom agent for Claude Code, you define the agent file format using YAML frontmatter for configuration and Markdown for the system prompt structure. This Skill guides both AI-assisted and manual creation methods to generate the agent configuration.

What are triggering conditions and how do they work in Claude Code agents?▼

Triggering conditions in Claude Code agents define clear, actionable rules for when an agent activates. This Skill explains how to configure these conditions within the agent file frontmatter to ensure the agent executes its designated tasks effectively.

Do I need to know YAML and Markdown to design Claude Code agent system prompts?▼

Yes, you need knowledge of Markdown and YAML to design system prompts and configure frontmatter for Claude Code agents. This Skill provides a template for designing system prompts to guide agent behavior effectively using these formats.

How do I validate and test Claude Code agent functionality?▼

You validate Claude Code agent functionality by applying specific validation rules and testing procedures. This Skill offers validation rules to ensure your agent structure and triggering conditions work correctly before deployment.

What is the best way to structure an agent file for Claude Code?▼

The best way to structure an agent file for Claude Code is to use YAML frontmatter fields for metadata and Markdown for the system prompt. This Skill provides detailed instructions on the agent file format to ensure proper structure and behavior.

Can I use AI to assist with Claude Code agent development?▼

Yes, you can use AI-assisted creation methods to generate agent configurations for Claude Code. This Skill includes AI-assisted and manual creation approaches for developing agents based on your specific requirements.

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