If you’ve ever watched Claude Code sprint confidently in the wrong direction, you’re not alone. 🛑 In April 2026, the secret to elite output isn't a complex prompt; it's the specific habits used by the man who built it, Boris Cherny. We are breaking down the "Boris Method"—from the mandatory 80% Plan Mode rule to the CLAUDE.md pruning habit—that separates "Vibe Coders" from professional engineers.

We’ll talk about:

• The 80% Plan Mode Rule: Why Boris starts almost every session with Shift + Tab (twice). Entering read-only mode allows Claude to research your "Intricacies" and "Intensities" without modifying a single file.
• The Annotation Cycle: Moving beyond "build this"—using a plan.md file as a living artifact where you add inline notes before the AI touches your source code.
• Pruning CLAUDE.md: Why a 1,000-line instruction file is a liability. The 2026 consensus: keep it under 100 instructions and delete it entirely if the model starts to "drift."
• Verification Loops: The single highest-leverage habit—giving Claude a tool (like a test runner or the new Computer Use browser) to verify its own work before it reports "Done."
• Parallel Sessions vs. Overlap: Why Boris runs multiple Claude instances for different tasks (Architecture vs. Documentation) but never on the same file at the same time.
• Skills 2.0 (The Workflow Shift): Moving from "Reusable Prompts" to Reusable Systems. Why the new SKILL.md format (now at 277k+ installs for Frontend Design) is the new standard.
• The "Don't Bet Against the Model" Mindset: Why spending 4 hours on a complex prompt "hack" is a waste of time in 2026, as the underlying model is likely to solve that friction in the next update.

Keywords: Boris Cherny Claude Code 2026, Claude Code Plan Mode, CLAUDE.md Best Practices, Claude Code Computer Use, SKILL.md Format, Vibe Coding 2026, Claude Code Verification Loops, Anthropic CLI Update, Future of Work, Tech Mastery 2026

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