Meta

Meta - Agent System

Expert on the .claude/ directory structure and agent infrastructure. Use this skillset when improving or extending the agent system, skills, skillsets, or commands.

Directory Structure

.claude/
├── commands/   # Slash command definitions
├── library/    # Knowledge modules (skill directories with SKILL.md)
├── skillsets/  # Composite skill sets (JSON)
└── data/       # Runtime data (gitignored)

Skills (.claude/library/)

Each skill is a directory containing SKILL.md. Loaded via /load or as part of skillsets.

Conventions:

• One domain per skill
• Keep concise (~20-100 lines)
• One directory per skill

Skill structure:

---
name: skill-name
description: Brief description
---

# Skill Name

Content here...

Commands (.claude/commands/)

Markdown files defining slash commands. The content after --- is the prompt.

Command structure:

---
description: What the command does
---

Prompt template here. Use {{args}} for arguments.

Skillsets (.claude/skillsets/)

JSON files listing skills to load together.

Skillset structure:

{
  "preload": ["skill-a", "skill-b"],
  "advertise": ["optional-skill-c"]
}

• preload: Skills loaded automatically when skillset activates
• advertise: Skills mentioned but not loaded (load on demand)

Current skillsets:

• developer - Implementation (TDD, quality)
• architect - Architectural decisions (DDD, DI, patterns)
• security - Security review
• meta - Agent system management

Best Practices

Skills:

• Focused scope, single domain
• Actionable guidance over theory
• Reference docs for depth, load on demand
• Both mechanical (how) and conceptual (why) layers

Skillsets:

• Match a workflow phase
• Minimal preload (only what's always needed)
• Advertise skills that might be needed

Commands:

• Brief description in frontmatter
• Handle missing args gracefully
• Clear usage examples

Efficiency Principles

The agent system is designed for token efficiency:

1. Skillsets are minimal - Only preload skills needed for that workflow
2. Load on demand - Don't preload "just in case"
3. Skills are focused - One domain, ~20-100 lines
4. Reference vs working knowledge - Large docs in separate skills

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