1.6: Custom Sub-agents

• Time to Complete: 15 minutes

Interactive lesson: Run /start-1-6 in Claude Code

Additional Resources

• Awesome Claude Code Sub-Agents - Community templates
• Sub-Agent Examples - Real-world configurations
• SubAgents.cc - Template generator and browser
• Official Docs: Sub-agents - Anthropic documentation

Agents vs Sub-agents

The Advisory Team Concept

Like building your own board of advisors:

• Each has a different perspective
• Call on them for feedback from different angles
• Update and improve them over time

How Sub-agents Work

Sub-agents are defined in .claude/agents/ folder.

Each file has:

• YAML frontmatter (name, description)
• System prompt (personality and perspective)

They’re just text files - you can view and edit them directly.

Sub-agent File Structure

---
name: Agent Name
description: One-line description
---
 
# System prompt
 
You are... [personality and perspective]

Using Sub-agents

Reference them by name in your prompts:

Have the Skeptic review this proposal

Get feedback from all three sub-agents on this plan

They respond in character with their perspective.

Creating Your Own Sub-agents

Use the /agents command:

1. Choose Project (this project only) or Personal (all projects)
2. Claude helps you create the agent

Ideas for Useful Sub-agents

When to Use Sub-agents

• Need thoughtful feedback from different viewpoints
• Stress-testing proposals or plans
• Getting diverse perspectives on a document
• Simulating stakeholder reactions
• Review from specific personas

Advisory Team Examples

What’s Next

1.7: Project Memory (CLAUDE.md) → - Persistent context that survives sessions