Agent Development Plugin

Create, implement, and review Claude Code agents and commands with multi-model validation.

Installation

/plugin install agentdev@mag-claude-plugins

Features

• 3 Specialized Agents for the full agent development lifecycle
• 1 Orchestration Command for end-to-end workflows
• 3 Reusable Skills with XML standards, patterns, and schemas
• Multi-Model Validation via Claudish for quality assurance
• Parallel Execution for 3-5x faster reviews

Agents

Agent	Usage	Description
agentdev:architect	Design agents	Creates comprehensive agent design plans
agentdev:developer	Implement agents	Writes agent/command files from designs
agentdev:reviewer	Review agents	Validates quality and standards compliance

Commands

Command	Description
/develop	Full-cycle agent development with multi-model validation

Skills

Skill	Description
agentdev:xml-standards	XML tag structure patterns for agents
agentdev:patterns	Common agent templates and patterns
agentdev:schemas	YAML frontmatter schemas

Usage Examples

Create a New Agent

/develop Create an agent that reviews GraphQL schemas for security

Improve an Existing Agent

/develop Improve the backend-developer agent to support GraphQL

Create an Orchestrator Command

/develop Create a /deploy-aws command for ECS deployment

Dependencies

• orchestration@mag-claude-plugins (auto-installed)

Multi-Model Validation

The /develop command uses external AI models via Claudish for:

• Plan Review - Validate design before implementation
• Implementation Review - Quality check with multiple perspectives

Install Claudish: npm install -g claudish

Supported models:

• x-ai/grok-code-fast-1 - Fast, coding-focused
• google/gemini-2.5-flash - Budget-friendly
• google/gemini-2.5-pro - Advanced reasoning
• deepseek/deepseek-chat - Reasoning specialist
• anthropic/claude-sonnet-4.5 - Alternative perspective

License

MIT