Claude Skills Guide

Setting up Claude Code for local development transforms your terminal into an intelligent coding assistant. This guide walks through the complete setup process, from installation to advanced configuration that unlocks the full potential of Claude Code for your development workflow.

Prerequisites and Initial Installation

Before beginning, ensure you have Node.js 18+ and npm installed. Claude Code operates as a local CLI tool, giving you direct access to AI-assisted coding without relying on web interfaces.

Install Claude Code globally using npm:

npm install -g @anthropic-ai/claude-code

Verify the installation by running:

claude --version

The CLI should respond with the current version number. If you encounter permission errors, you may need to use sudo or fix your npm prefix configuration.

Project-Specific Configuration

Create a claude-settings.json file in your project root to configure Claude Code behavior per-project. This file controls which files Claude can read, write, and execute, providing granular control over the AI’s capabilities.

{
  "permissions": {
    "allow": ["./src/**", "./tests/**", "./package.json"],
    "deny": ["./secrets/**", "./.env*"]
  },
  "env": {
    "NODE_ENV": "development"
  }
}

The permissions system ensures Claude Code respects your project’s boundaries. You can explicitly grant read access to source directories while blocking sensitive areas like environment files or credentials.

Integrating Claude Skills

Claude Code gains superpowers through skill integrations. Skills extend the CLI with specialized capabilities for different development tasks. The skill system loads automatically based on your current working directory or can be invoked explicitly.

PDF Manipulation with the pdf Skill

The pdf skill enables programmatic PDF creation and editing. Install it by creating a skills directory in your project:

mkdir -p .claude/skills

Create a skill definition file:

{
  "name": "pdf",
  "description": "Work with PDF documents"
}

Once configured, you can instruct Claude to generate reports, invoices, or documentation directly as PDF files.

Test-Driven Development with tdd

The tdd skill streamlines the test-first development workflow. It creates test files alongside your source code, runs tests automatically, and helps debug failures. Activate it by mentioning “using tdd” in your request:

claude "Create a user authentication module using tdd"

The skill generates test cases before implementation, ensuring your code meets requirements from the start.

Frontend Design with frontend-design

The frontend-design skill assists with UI component creation, responsive layouts, and design system implementation. It understands modern frameworks like React, Vue, and Tailwind CSS. When working on front-end features, invoke it explicitly:

claude "Build a dashboard component using frontend-design"

This skill provides design suggestions, generates accessible markup, and ensures consistency with common design patterns.

Memory Management with supermemory

The supermemory skill maintains context across sessions. It indexes your codebase, remembers previous discussions, and retrieves relevant information when needed. This proves invaluable for large projects where you return to specific features days later.

Configure memory persistence in your claude-settings.json:

{
  "memory": {
    "enabled": true,
    "indexPaths": ["./src", "./docs"],
    "excludePaths": ["./node_modules", "./dist"]
  }
}

Environment Variables and API Keys

For production workflows, you may need to provide Claude Code with API access. Never commit API keys to your repository. Instead, use environment variables that Claude Code can access securely:

export ANTHROPIC_API_KEY="sk-ant-..."
export OPENAI_API_KEY="sk-..."

Claude Code respects your shell’s environment variables. For project-specific secrets, use a .env.local file and ensure it’s listed in your .gitignore.

Custom Command Aliases

Speed up your workflow with shell aliases for common Claude Code commands. Add these to your ~/.bashrc or ~/.zshrc:

alias cc="claude"
alias ccr="claude --resume"
alias ccs="claude"

The --resume flag continues interrupted sessions, while --stop terminates running operations cleanly.

Working with Git Integration

Claude Code integrates with Git for version control workflows. Stage and commit changes through natural language:

claude "Commit the new authentication feature"

The CLI understands Git semantics and will propose appropriate commit messages based on your changes. For code review workflows, ask Claude to explain changes before committing:

claude "Show me what changed in the auth module"

Performance Optimization

Large codebases benefit from optimized configuration. Limit the context window for faster responses by restricting file scanning:

{
  "context": {
    "maxFiles": 50,
    "maxTokens": 100000
  }
}

For monorepos, create separate claude-settings.json files in each workspace to maintain focused context per component.

Troubleshooting Common Issues

If Claude Code fails to respond, check your network connection first—the CLI requires internet access for API calls. Permission errors typically stem from incorrect file ownership; verify your project directories are writable.

For persistent issues, run with verbose logging:

claude --verbose "your request"

This outputs detailed diagnostics that help identify configuration problems or missing dependencies.

Conclusion

Claude Code becomes genuinely powerful when properly configured. Project-specific settings, skill integrations, and environment configuration transform it from a simple CLI into an intelligent development partner. Start with basic setup, then gradually add skills and customization as your workflow matures.

The investment in proper configuration pays dividends through faster development cycles, consistent code quality, and reduced context-switching between documentation and implementation.

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