Getting started with Claude Code CLI is a breeze and can instantly boost your productivity. The first step is to ensure you have Python installed (version 3.8+ recommended). Once that’s set up, you can install the claude-code package using pip:
pip install claude-code
After installation, you’ll need to authenticate with your Anthropic API key. You can obtain an API key from the Anthropic Console. To set it up, run the following command in your terminal:
claude-code init
This command will guide you through securely setting your API key, which will be stored in your user’s configuration directory. For example, on Linux/macOS, it might be in ~/.config/claude-code/config.yaml.
Now you’re ready to leverage Claude Code! Try generating a simple Python function to parse a CSV file. Navigate to your project directory in the terminal and run:
claude-code generate python "Write a Python function to parse a CSV file given its path."
This single command will invoke Claude Code, generate the code, and present it for you to review and potentially integrate into your project, saving you valuable typing and research time.