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agent-development

Create Claude Code agents with structured frontmatter and validation scripts.

Updated Aug 23, 2026
Search Tags:#templates#validation#claude-code#frontmatter#triggering#agent-development#system-prompt
One-click install
npx skills add https://github.com/astrosteveo/marketplace --skill agent-development-astrosteveo
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: agent-development
Source: https://github.com/astrosteveo/marketplace/tree/main/plugins/plugin-dev/skills/agent-development
Command: npx skills add https://github.com/astrosteveo/marketplace --skill agent-development-astrosteveo

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides a clear, repeatable approach to designing and deploying autonomous Claude Code agents. It guides engineers to define agent frontmatter, craft robust system prompts, and establish reliable triggering patterns, ensuring consistency across plugins.

Core Features & Use Cases

  • Frontmatter schema guidance for agent files (name, description, model, color, tools)
  • Best practices for system prompts, design patterns, and triggering examples
  • Validation rules and tooling to maintain quality and conformity
  • Templates and examples for manual and AI-assisted agent creation
  • Guidance on toxicity checks and security considerations

Quick Start

  • Step 1: Define the agent's purpose and choose an identifier (name in the frontmatter)
  • Step 2: Draft triggering examples that cover explicit, proactive, and edge cases
  • Step 3: Craft a comprehensive system prompt (address roles, responsibilities, process, and output format)
  • Step 4: Save as agents/[identifier].md in your plugin, and include required frontmatter
  • Step 5: Run the validation script (scripts/validate-agent.sh) and test triggering with sample scenarios

Frequently Asked Questions about agent-development

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

FAQPage Schema
How do I design autonomous Claude Code agents with proper frontmatter?▼

To design autonomous Claude Code agents, define structured frontmatter including name, description, model, color, and tools, then craft a comprehensive system prompt to ensure production-ready behavior.

What is a frontmatter schema for Claude Code agent files?▼

A frontmatter schema for Claude Code agent files specifies mandatory metadata fields including name, description, model, color, and tools, enforcing validation and quality conformity across deployed plugins.

How do I set up triggering rules for Claude Code agents?▼

Set up triggering rules for Claude Code agents by drafting explicit, proactive, and edge-case examples. These triggering patterns ensure the agent activates reliably under the correct operational conditions.

Can I validate Claude Code agent files before deployment?▼

Yes, you can validate Claude Code agent files before deployment using a dedicated validation script. This checks frontmatter schema conformity, system prompt quality, and toxicity to ensure safe agents.

What should be included in a system prompt for autonomous agents?▼

A system prompt for autonomous agents should address roles, responsibilities, processes, and output formats. Comprehensive prompts ensure robust agent behavior and establish clear operational boundaries.

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