Welcome to Claude Code Mastery Intermediate

You already know the basics of Claude Code. This course takes you from competent user to power user — mastering advanced prompting, context management, workflow optimization, and expert-level techniques that will transform your development productivity.

Who This Course Is For

This course is designed for developers who:

  • Have used Claude Code for at least a few weeks and understand basic commands
  • Want to get significantly more value from every Claude Code session
  • Are looking to reduce costs while increasing output quality
  • Want to set up Claude Code workflows for their team
  • Are curious about hidden features and expert techniques
Prerequisites: You should be comfortable with the Claude Code basics — installation, basic commands, file editing, and git operations. If not, complete that course first.

What You'll Learn

Module Key Skill Impact
Prompt Mastery Writing precise, effective prompts Get right results on first try
Context Management Maximizing Claude's understanding Fewer mistakes, better output
Speed & Efficiency Shortcuts, batch ops, parallel agents 2-5x faster workflows
Advanced Workflows TDD, refactoring, migrations Handle complex tasks confidently
Cost Optimization Token awareness, model selection 50%+ cost reduction
CLAUDE.md Mastery Perfect project context files Consistent, high-quality results
Debugging Fix when things go wrong Recover quickly from errors
Team Workflows Standards, onboarding, collaboration Scale AI across your team

The Difference Between Using and Mastering

Most developers use Claude Code like this:

Terminal (Average User) 
# Vague prompt, no context, hopes for the best
> fix the bug

# Claude asks clarifying questions, reads many files, makes guesses
# Result: sometimes right, sometimes wrong, always slow

A Claude Code master works like this:

Terminal (Power User) 
# Specific, contextual, actionable prompt
> In src/auth/login.ts, the validateEmail function on line 42 rejects emails
> with + signs. Fix the regex on line 45 to allow + in the local part.
> Run the existing tests in tests/auth.test.ts to verify.

# Claude goes straight to the file, makes the precise fix, runs tests
# Result: correct on first try, fast, cheap

The Power User Mindset

Mastering Claude Code is about developing these habits:

  1. Think before you prompt

    Spend 10 seconds crafting a specific prompt instead of firing off a vague one. It saves minutes of back-and-forth.

  2. Provide context proactively

    Reference specific files, functions, and line numbers. The more context you give, the less Claude needs to search for.

  3. Use the right tool for the job

    One-shot (-p) for quick tasks, interactive for exploration, sub-agents for parallel work.

  4. Review and iterate

    Check Claude's work. When it makes mistakes, provide feedback to guide it — don't just retry the same prompt.

  5. Invest in CLAUDE.md

    A well-maintained CLAUDE.md file pays dividends on every single interaction.

The 10-Second Rule: Before typing any prompt, take 10 seconds to ask yourself: "Can I make this more specific?" Adding a file path, function name, or desired behavior almost always produces better results.

Let's Begin

In the next lesson, you will learn the art and science of writing perfect prompts for Claude Code — the single most impactful skill you can develop.

Next: Prompt Mastery →
← Course Overview Prompt Mastery →