Adding a CLAUDE.md file that documents project conventions, rules, and context prevents Claude from making common errors like over-engineering and hallucinating APIs.

Most users miss 30+ features because they never configure CLAUDE.md or explore settings beyond the chat window.

Optimizing CLAUDE.md, permission settings, and model selection can double Claude Code's performance and cut costs.

Using Tmux + Fable with Open Agent Teams skill and Claude.md setup reduces token consumption by 35%.

Configuring CLAUDE.md, permission settings, and model selection can double Claude Code's performance and reduce costs by 30-50%.

Creating folders with clear CLAUDE.md instructions lets any AI agent find and use your knowledge autonomously.

Effective prompting for Claude Code involves CLAUDE.md files, memory shortcuts, parallel sessions, and specific patterns.

A single CLAUDE.md file containing personal context, goals, and stuck points enables Claude to automatically resume work without prompting.

Applying DRY (Don't Repeat Yourself) to Claude Code operations by saving instructions in CLAUDE.md and reusable commands eliminates redundant work.

Using CLAUDE.md files, memory shortcuts, and parallel sessions improves Claude Code prompting.

By setting up a 'second-brain' folder with CLAUDE.md, GWS CLI, Graphify, Playwright, and custom skills, Claude Code becomes a personal assistant with memory, email, calendar, and browser access.

Applying the DRY (Don't Repeat Yourself) principle to Claude Code by saving instructions in CLAUDE.md and using reusable commands eliminates repetitive explanations and enables parallel sub-agents.