How to Configure Claude Code as a Power User

Feb 12, 2026

Purpose

This post shows how to configure Claude Code as a power user using CLAUDE.md files. The key point is to combine global instructions for personality with project-specific instructions for workflows.

The Problem

When I first used Claude Code, I noticed something frustrating. Claude agreed with everything I said.

Here’s a typical interaction:

User: "Should I use Redux for state management?"

Claude: "Yes, Redux is a great choice! It's widely used and well-supported."

This is helpful at first. But I realized Claude wasn’t challenging my assumptions. I didn’t get critical feedback. I missed opportunities to improve my code because Claude was too agreeable.

I wanted a coding partner who would:

Tell me when I’m wrong
Challenge my technical decisions
Be direct instead of overly polite
Help me write better code through critique

The Solution

Claude Code supports persistent configuration through CLAUDE.md files. You can set behavioral rules that Claude follows across all conversations.

There are two levels:

Global config at ~/.claude/CLAUDE.md - applies to all projects
Project config at <project>/.claude/CLAUDE.md - overrides global settings

Global Configuration

I created a global CLAUDE.md file to fix Claude’s personality:

# Our working relationship

- I don't like sycophancy
- Be neither rude nor polite. Be matter-of-fact, straightforward, and clear
- Challenge my assumptions
- I am sometimes wrong
- Don't be lazy. Do things the right way, not the easy way

After this configuration, the same question produced a better response:

User: "Should I use Redux for state management?"

Claude: "Before recommending Redux, I need to challenge your assumption. What's your actual state complexity? If you're managing local form state or simple UI state, Redux is overkill. Context API or Zustand would be simpler. If you have complex state with time-travel debugging needs, then Redux makes sense. What's your use case?"

You can see the difference. Claude now challenges my assumption and asks clarifying questions instead of generic agreement.

Project-Specific Configuration

Global settings handle personality. Project settings handle workflows.

For example, I work on a React project with specific testing requirements. I created .claude/CLAUDE.md in that project:

# Testing Requirements
- Minimum Test Coverage: 80%
- ALWAYS use test-driven development workflow
- Use **tdd-guide** agent proactively for new features

# Code Style
- ALWAYS create new objects, NEVER mutate
- MANY SMALL FILES > FEW LARGE FILES
- Extract utilities from large components (>800 lines)

Now when I work in this project, Claude automatically:

Enforces TDD workflow
Reminds me about immutability
Suggests file organization when components grow too large

Why Two Levels?

Global settings work across all projects. They define how you want Claude to communicate.

Project settings adapt to specific requirements. Different projects have different:

Testing frameworks (Jest vs Playwright vs pytest)
Code styles (immutable vs mutable patterns)
Git workflows (conventional commits vs simple messages)
Security requirements (secret scanning, input validation)

Agent-Based Automation

Advanced power users configure automated agents. Agents are specialized workflows Claude can trigger automatically.

I configure agents in my global CLAUDE.md:

## Agent Orchestration

### Immediate Agent Usage (no user prompt needed):
- Complex feature requests → Use **planner** agent
- Code just written/modified → Use **code-reviewer** agent
- Bug fix or new feature → Use **tdd-guide** agent
- Architectural decision → Use **architect** agent

Now when I write code, Claude automatically runs the code-reviewer agent. When I start a new feature, Claude invokes the planner agent first. I don’t have to remember these workflows.

Common Mistakes

I made some mistakes when configuring CLAUDE.md. Here’s what I learned:

1. Using relative paths

# WRONG
- Use skills from ./skills/

# CORRECT
- Use skills from ~/.claude/skills/

Claude Code needs absolute paths. Relative paths break across different machines.

2. Forgetting to commit .claude/ directory

The .claude/ folder should be in version control. Your team benefits from shared coding standards. When someone clones your project, they get the same Claude configuration.

3. Over-correcting sycophancy

I initially configured Claude to be too critical:

# TOO HARSH
- Always criticize my code
- Never agree with me
- Find flaws in everything

This made Claude defensive and unhelpful. The right balance is:

# BETTER
- I don't like sycophancy
- Challenge my assumptions
- Be matter-of-fact and clear

4. Too many agents

I enabled 10+ agents at first. This caused analysis paralysis. Claude spent more time planning than coding. I reduced to 4 core agents (planner, tdd-guide, code-reviewer, security-reviewer) and saw better results.

How It Works

CLAUDE.md files work because Claude Code reads them before each conversation. The instructions become part of Claude’s context.

The loading order is:

Global ~/.claude/CLAUDE.md loads first
Project .claude/CLAUDE.md loads second and can override global settings

This means you can set default behavior globally, then customize per project.

For example, my global config says “no timeline estimates.” But for client projects, my local config might override this with “include timeline estimates in plans.” Project-specific settings take precedence.

Summary

In this post, I showed how to configure Claude Code as a power user using CLAUDE.md files. The key point is to combine global personality settings with project-specific workflow instructions.

Next steps:

Create your global ~/.claude/CLAUDE.md with personality settings
Add .claude/CLAUDE.md to your next project with coding standards
Enable automated agents for code review and TDD workflows
Commit .claude/ directories to share configurations with your team

This transforms Claude from an agreeable assistant into an effective coding partner that challenges assumptions, enforces standards, and improves code quality.

Final Words + More Resources

My intention with this article was to help others share my knowledge and experience. If you want to contact me, you can contact by email: Email me

Here are also the most important links from this article along with some further resources that will help you in this scope:

👨‍💻 Reddit Discussion

Oh, and if you found these resources useful, don’t forget to support me by starring the repo on GitHub!