Claude Code Expert Skill

This skill provides guidance on using Claude Code, Anthropic's agentic coding tool.

When to Use

Activate when users need help with:

• Understanding Claude Code features
• Setting up hooks, plugins, or MCP servers
• Working with slash commands
• Troubleshooting issues
• Best practices

Core Concepts

Claude Code is an agentic coding tool in your terminal that:

• Autonomously plans, executes, and validates tasks
• Supports plugins, skills, and MCP servers for extensibility
• Integrates with VS Code and JetBrains IDEs

Key Components

Component	Purpose
Slash Commands	User operations like /fix, /plan, /commit
Skills	Modular capabilities in .claude/skills/
Hooks	Shell commands on events (PreToolUse, PostToolUse)
MCP Servers	External tool integrations via .mcp.json
Plugins	Packaged collections of commands/skills/hooks

Common Workflows

# Feature implementation
/cook implement user authentication

# Bug fixing
/fix the login button is not working

# Planning
/plan implement payment integration

# Git operations
/commit

Quick Setup

MCP Server

// .mcp.json
{
  "mcpServers": {
    "github": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-github"],
      "env": { "GITHUB_TOKEN": "your_token" }
    }
  }
}

Hook Example

// .claude/settings.json
{
  "hooks": {
    "PostToolUse": [{
      "matcher": "Write",
      "hooks": ["./scripts/format.sh"]
    }]
  }
}

References

For detailed documentation:

• references/slash-commands.md - Full command reference
• references/skills-plugins.md - Creating skills and plugins
• references/mcp-hooks.md - MCP and hooks configuration
• references/troubleshooting.md - Debugging and best practices

IDE Integration

VS Code / JetBrains: Install "Claude Code" extension, authenticate, use inline chat and code actions.

Essential Commands

/help                  # Show available commands
/clear                 # Clear conversation
/memory                # View stored context
/compact               # Summarize conversation
/plugins               # List installed plugins