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Claude Code
Advanced Guide

Advanced Guide

This section covers advanced features that empower you to extend Claude Code’s capabilities—including Skills, Subagents, Hooks, and MCP integration.

If you are still in the “get Claude Code working well for daily tasks” stage, check Learning Paths first to confirm whether this section is the right next step.

Core Capabilities

Agent Loop
Understand the core control loop
Agent Skills
Create reusable knowledge modules
Subagents
Create specialized sub-agents
Hooks System
Execute scripts on events
MCP Servers
Connect to external tools

Capability Comparison

FeaturePurposeScope
SkillsReusable prompts and guidelinesAuto-applied based on context
SubagentsSpecialized agents for specific tasksIsolated context
HooksEvent-triggered script executionWorkflow automation
MCPConnect external tools and dataAPIs, databases, browsers

Learning Path

  1. Start with Agent Loop to understand the control flow behind tool use
  2. Start with MCP Servers to connect external tools
  3. Learn Skills to create reusable knowledge modules
  4. Master Subagents for complex multi-step tasks
  5. Use Hooks for workflow automation

When this section becomes the right fit

  • you already use Claude Code reliably for everyday work
  • you are starting to care about reuse, automation, collaboration, and external integration
  • you want to turn isolated usage into a stable engineering system