Claude Code Geek Guide: Master Core Commands with a Pomodoro App
A practical tutorial for beginners. We will build a complete Pomodoro and Todo app from scratch, naturally mastering nearly 30 hardcore Claude Code terminal commands along the way.
COURSE CONTENT
Lesson 0 — Introduction: Master Claude Code with a Pomodoro App
A practical guide for beginners. Build a complete Pomodoro & Todo app from scratch while mastering nearly 30 hardcore Claude Code terminal commands.
Appendix B: Full Project Code
The complete source code for the Pomodoro application built in this guide.
Appendix A: Command Reference Guide
A comprehensive list of all Claude Code commands and their usage.
Getting Started: Installation and First Steps
Setup your environment and run your first Claude Code command.
Project Initialization: Planning and Scaffolding
Use /init and /plan to structure your Pomodoro application.
Plan Mode: Architecting Your Solution
Master the /plan command to think through complex features before coding.
Core Development: Writing Logic with AI
Use subagents and automated tools to implement the Pomodoro timer logic.
Session Management: /compact and /resume
Learn how to manage long-running AI sessions and keep context clean.
Code Review: AI-Driven Quality Assurance
Use Claude to review your PRs and find hidden bugs.
Parallel Execution: Multi-Tasking with Subagents
Scale your productivity by running multiple development tasks concurrently.
Batch Operations: Automating the Repetitive
Use shell integration and batch scripts to automate project-wide changes.
Extensions: Adding Custom Superpowers
Build and integrate custom tools and MCP servers into Claude Code.
Permissions and Security: /config and Safe Modes
Configure security settings and manage tool execution permissions.
IDE Integration: VS Code and Terminal Workflows
Seamlessly integrate Claude Code with your favorite development environment.
Troubleshooting: Solving Common AI Errors
Tips and tricks for handling edge cases and unexpected AI behavior.