Gemini CLI

Google's open source AI command line tool that brings Gemini's power directly into your terminal

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Powerful Features

🤖

Powered by Gemini 2.5 Pro model, providing intelligent code generation, debugging, and refactoring with a 1M token context window.

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Deeply integrated into familiar command line environments, supporting file operations, command execution, and system interactions.

🌐

Built-in Google search tool for real-time web information, providing external context support for AI responses.

🔌

Supports MCP protocol and custom extensions, allowing developers to customize functionality based on their needs.

⚡

Industry-leading free limits: 60 requests per minute and 1,000 requests per day, meeting professional development needs.

🔒

Apache 2.0 open source license with transparent, auditable code and community-driven continuous improvements.

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Get started with Gemini CLI in three simple steps.

1 Install Gemini CLI

Select the installation method that fits your system:

# Using npm (recommended)
npm install -g @google/gemini-cli

# Or with Homebrew (macOS)
brew install gemini-cli

# Start Gemini CLI
gemini

2 Set Up Your API Key

Connect your Google AI API key for full access:

# Set your API key as an environment variable
export GEMINI_API_KEY="your-api-key"

# Or configure via CLI
gemini config set api-key YOUR_API_KEY

3 Try Your First Command

Test your installation and start using Gemini CLI:

# Check the version
gemini --version

# Get help
gemini --help

# Start a conversation
gemini "Hello, Gemini!"