Claude Code Masterclass: Every Secret That 99% of Developers Don't Know

#claudecode #aicoding #claudecodemasterclass I started with an EMPTY FOLDER and built a complete app using only AI agents. Here's every secret, trick, and configuration that 99% of developers are missing... I started with an EMPTY FOLDER and built a complete app using only AI agents. Here's every secret, trick, and configuration that 99% of developers are missing. In this Claude Code and Cline masterclass, I build a full-stack Kanban task management app from scratch using Angular 19 — and I show you every hidden feature, model selection strategy, and MCP server setup that makes AI-assisted development insanely fast. This isn't theory. This is a real build, from zero to deployed, with every decision explained. 🔥 WHAT YOU'LL LEARN: The mental model shift that changes everything about how you use AI coding agents Plan Mode vs Act Mode — the two-step workflow that prevents AI disasters The .clinerules and CLAUDE.md files that make your AI follow YOUR conventions Model Selection Strategy — when to use Haiku, Sonnet, Opus, and the secret opusplan alias The Effort Slider — a hidden feature that controls reasoning depth and saves you money MCP Servers — how to give your AI agent superpowers (browser automation, database access, live docs) Custom Skills — reusable instruction sets that guarantee consistent, production-quality output Parallel Claude instances, the Docker container trick, and the image-to-code pipeline Cost management — 6 rules to keep your API bill under control ⏱️ TIMESTAMPS: 0:00 Cold Open: Empty Folder → Full App in One Session 2:10 Haiku vs Sonnet vs Opus: Pick Wrong and You'll Waste Money 4:50 Plan Mode vs Act Mode: The Workflow That Prevents Disasters 5:20 Installing Claude Code (60 Second Setup) 5:40 Installing Cline Extension in VS Code 7:44 Giving Claude the Blueprint: Planning Our Kanban App 17:42 Watch Claude Build the Entire App From Scratch 19:22 Where Cline Falls Short (Honest Take) 20:22 Claude Code Terminal to the Rescue 24:28 Model Switching Mid-Session: When Sonnet Isn't Enough 27:02 The Moment of Truth: Does the App Actually Work? 28:04 .clinerules & CLAUDE.md: The Files That Change Everything 36:02 Built-in Skills You're Sleeping On (/simplify, /review, /batch) 42:42 MCP Servers: Giving Your Agent Superpowers 53:24 Custom Skills: Build Once, Benefit Forever RESOURCES: → Cline Extension: https://marketplace.visualstudio.com/... → Claude Code: https://code.claude.com → Claude Code Best Practices: https://code.claude.com/docs/en/best-... → 45 Claude Code Tips: https://github.com/ykdojo/claude-code... → MCP Servers Directory: https://github.com/modelcontextprotoc... → Context7 MCP: https://github.com/upstash/context7 MODEL SELECTION CHEAT SHEET: → Haiku = Quick questions, boilerplate, simple edits ($) → Sonnet = 80% of your work — features, tests, refactoring ($$) → Opus = Architecture, complex debugging, security review ($$$) → opusplan = Opus plans + Sonnet executes (best of both) Drop your best Cline or Claude Code tip in the comments — I know there are tricks I haven't found yet! SUBSCRIBE for more AI-assisted development content. New videos every week. #claudecode #cline #aiagent #vscodeextension #aicoding #codingwithAI #claudeai #mcpserver #angulartutorial #developer #programming #webdevelopment #anthropic #claudesonnet #claudeopus