promptfoo/site/docs/installation.md

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Installation

Requirements

• Node.js 18 or newer
• Supported operating systems: macOS, Linux, Windows

Installation Methods

For Command-Line Usage

Using npm (recommended)

Install promptfoo globally using npm:

npm install -g promptfoo

Or use npx to run promptfoo directly without installation:

npx promptfoo@latest

Using Homebrew

If you prefer using Homebrew, you can install promptfoo with:

brew install promptfoo

For Library Usage

Install promptfoo as a library in your project:

npm install promptfoo

Verify Installation

To verify that promptfoo is installed correctly, run:

promptfoo --version

This should display the version number of promptfoo.

Next Steps

After installation, you can start using promptfoo by running:

promptfoo init

This will create a promptfooconfig.yaml placeholder in your current directory.

For more detailed usage instructions, please refer to our Getting Started guide.