Claude Code

From zero to pro with Claude Code. In-depth guides and tips you can apply today.

8 articles · 33 tips

All Tips Only

Articles

Quick Tips

Claude Code Effort Level: Adjust Reasoning Depth on the Fly

Use /model + arrow keys to adjust effort on the fly. Or configure it permanently with effortLevel in settings or the CLAUDE_CODE_EFFORT_LEVEL environment variable.

#009

Claude Code Permissions: Deny Rules, Modes & Wildcards

Deny rules always win. Modes change everything. And the Tool(specifier) syntax supports wildcards and gitignore patterns.

#008

Run Shell Commands Without Leaving Claude Code

Type ! followed by any command to run it directly in your shell without leaving Claude Code. Use Ctrl+B for background processes.

#007

The 6 Extension Points in Claude Code Everyone Confuses

Skills, Hooks, MCP, Sub-agents, Agent Teams, and Plugins: a quick map to know when to use each one.

#006

Create Reusable Commands with Skills in Claude Code

Skills are markdown files that Claude Code executes as slash commands. Create a SKILL.md, invoke it with /name, and Claude follows the steps. Conversational, predictable, reusable.

#005

Claude Code Fast Mode: How to Get 2.5x Faster Responses

Fast mode prioritizes speed over cost on Opus 4.6: up to 2.5x faster responses with the same intelligence. Learn how to toggle it with /fast.

#004

Claude Code Context Window: Track Token Usage with /context

The /context command breaks down how many tokens each component of your session consumes, giving you full visibility into the context window before it fills up.

#003

Claude Code Rewind: Undo Changes Instantly with Checkpoints

Every prompt creates an automatic checkpoint. If Claude breaks something, press Esc twice and rewind to any previous state in seconds.

#002

Claude Code Status Line: Customize Your Terminal Status Bar

Claude Code lets you customize the bottom status bar with a shell script — think PS1, but for your AI coding session.

#001