Claude Code Tool Guide: Enterprise Setup and Practical Workflows

pip install claude-code

claude-code --version
# Expected output matches latest in [Anthropic Changelog](https://docs.anthropic.com/en/docs/claude-code/changelog)

[default]
model = "claude-3-sonnet"  # Default per [Anthropic Blog](https://www.anthropic.com/blog/claude-code-aster)
temperature = 0.3
max_tokens = 4096          # Free tier limit

[editor]
line_length = 88
tab_size = 4

cd your-repo
claude-code init

.claude/
├── ignore          # Pattern-matching (e.g., `**/secrets/`)
├── prompts/        # Custom templates
└── rules.toml      # Project rules

# Project: Enterprise Inventory System
- **Stack**: Django 4.2, PostgreSQL 15
- **Requirements**:
  - All models must include `created_at`/`updated_at`
  - Use `django-environ` for config
- **Test Coverage**: Minimum 85%

# For pull requests
claude-code review --pr=https://github.com/yourorg/repo/pull/42

# For local changes
claude-code review --diff="git diff main..feature-branch"

🔍 Analyzed 3 files (420 lines)
✅ src/auth.py: No critical issues
⚠️ src/utils.py:
  - [Medium] Timing attack in `compare_secrets()` (line 88)
📝 Suggested fixes: [unified diff]

claude-code explain --file=src/system.py --output=diagram --format=mermaid

name: Claude Code Review
on: [pull_request]

jobs:
  review:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - run: pip install claude-code
      - run: claude-code review --pr=${{ github.event.pull_request.html_url }}
        env:
          CLAUDE_API_KEY: ${{ secrets.CLAUDE_API_KEY }}

#!/bin/sh
exec claude-code review --staged --fail-on=high

claude-code usage --format=json > usage-report.json