No code needed for any of these. All three can be built inside n8n or using Claude inside VS Code. 1. Email Assistant Build an AI agent that watches your inbox. It tags emails, sorts them, and drafts replies in your voice. The key is creating a system prompt with real examples of how you actually write so the AI learns your tone and handles the busywork. 2. AI Personal Assistant Connect your calendar, email, and Notion to a single AI agent. This teaches you the fundamentals building solid system