claude-code-development

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---
name: claude-code-development
description: Expert knowledge in creating and configuring Claude Code components (subagents, skills, slash commands, hooks, MCP integrations). Use when the user asks to create, modify, or extend .claude/ directory components. Follows official best practices and documentation standards.
---

# Claude Code Development

## Overview

This skill provides comprehensive guidance for creating and configuring Claude Code components following official best practices. Use this when working with `.claude/` directory structure including agents, skills, commands, hooks, and MCP integrations.

## Official Documentation

All official documentation references are maintained in `docs/claude/README.md`. Always consult these references for the latest standards and best practices:

- [Claude Code Settings](https://code.claude.com/docs/en/settings.md)
- [Claude Code Memory Management](https://code.claude.com/docs/en/memory.md)
- [Claude Code Sub-agents Documentation](https://code.claude.com/docs/en/sub-agents.md)
- [Claude Code Skills Documentation](https://code.claude.com/docs/en/skills.md)
- [Claude Code Slash Commands Documentation](https://code.claude.com/docs/en/slash-commands.md)
- [Claude Code Hooks Documentation](https://code.claude.com/docs/en/hooks.md)
- [Claude Code MCP Support](https://code.claude.com/docs/en/mcp.md)
- [Agent Skills Best Practices](https://platform.claude.com/docs/en/agents-and-tools/agent-skills/best-practices.md)

When creating new components, fetch and review the relevant documentation using the WebFetch tool.

## Quick Start

### When to Use Which Component?

**Use a Subagent** when you need:

- Task isolation in a separate context
- Specialized model or tool restrictions
- Repeated complex workflows

**Use a Skill** when you need:

- Reusable knowledge that Claude lacks
- Domain-specific terminology or patterns
- Expert knowledge loaded into context

**Use a Command** when you need:

- User-invocable workflows
- Shortcuts for common tasks
- Structured argument handling

**Use a Hook** when you need:

- Automated actions on tool events
- Validation before operations
- Cleanup after operations

### Quick Examples

**Agent** (specialized AI for focused tasks):

```yaml
name: code-reviewer
description: Reviews code for quality and best practices
tools: Read, Grep, Glob
```

**Skill** (reusable knowledge package):

```yaml
name: api-design-patterns
description: REST API design. Use when designing or reviewing APIs.
```

**Command** (user-invocable workflow):

```yaml
description: Review code changes
allowed-tools: Task(code-reviewer)
```

See detailed guides: [Agents](agents-guide.md) | [Skills](skills-guide.md) | [Commands](commands-guide.md)

## Component Types Overview

### Subagents (.claude/agents/)

Specialized AI assistants that handle specific types of tasks in isolated contexts.

- **File Format**: Markdown with YAML frontmatter
- **Location**: `.claude/agents/[agent-name].md`
- **Key Fields**: name, description, tools, model, skills, permissionMode

See [Agent Creation Guide](agents-guide.md) for complete details.

### Skills (.claude/skills/)

Reusable knowledge packages that can be loaded into conversations or subagents.

- **File Format**: Markdown with YAML frontmatter
- **Location**: `.claude/skills/[skill-name]/SKILL.md`
- **Key Fields**: name, description, allowed-tools, context

See [Skills Creation Guide](skills-guide.md) for complete details.

### Slash Commands (.claude/commands/)

User-invocable prompts that provide reusable workflows.

- **File Format**: Markdown with YAML frontmatter
- **Location**: `.claude/commands/[command-name].md`
- **Key Fields**: description, argument-hint, allowed-tools

See [Commands Creation Guide](commands-guide.md) for complete details.

### Hooks (.claude/hooks/)

Scripts that run automatically on tool events.

- **Configuration**: In `.claude/settings.json` or component frontmatter
- **Hook Events**: PreToolUse, PostToolUse, Subagen