Install Guardrail

Get Guardrail running on your machine in under a minute. Choose your preferred installation method below.

Select Your Platform

npm / pnpm / yarn

Install globally via your preferred package manager

# Using npm
npm install -g @guardrail/cli

# Using pnpm
pnpm add -g @guardrail/cli

# Using yarn
yarn global add @guardrail/cli

Verify Installation

After installation, verify that Guardrail is working correctly:

# Check version
guardrail --version

# Run help
guardrail --help

# Initialize in your project
cd your-project
guardrail init

Authentication (Optional)

For cloud features, team collaboration, and enhanced scanning, authenticate with your Guardrail account:

# Login to your Guardrail account
guardrail auth login

# Or set your API key directly
export GUARDRAIL_API_KEY=your_api_key_here

# Verify authentication
guardrail auth status

Note: Basic scanning works without authentication. Sign up for a free account at theguardrail.dev to unlock team features and cloud dashboards.

IDE Extensions

VS Code Extension

Real-time feedback and inline suggestions as you code.

MCP Server

Use Guardrail with Claude Desktop, Cursor, and other AI assistants.

Next Steps

Read the Docs

Learn all features

Join Community

Get help & share

View Dashboard

Manage your scans