Gemini CLI documentation

Gemini CLI brings the power of Gemini models directly into your terminal. Use it to understand code, automate tasks, and build workflows with your local project context.

Install

npm install -g @google/gemini-cli

Get started

Jump in to Gemini CLI.

Quickstart: Your first session with Gemini CLI.
Installation: How to install Gemini CLI on your system.
Authentication: Setup instructions for personal and enterprise accounts.
Examples: Practical examples of Gemini CLI in action.
CLI cheatsheet: A quick reference for common commands and options.
Gemini 3 on Gemini CLI: Learn about Gemini 3 support in Gemini CLI.

Use Gemini CLI

User-focused guides and tutorials for daily development workflows.

File management: How to work with local files and directories.
Get started with Agent skills: Getting started with specialized expertise.
Manage context and memory: Managing persistent instructions and facts.
Execute shell commands: Executing system commands safely.
Manage sessions and history: Resuming, managing, and rewinding conversations.
Plan tasks with todos: Using todos for complex workflows.
Web search and fetch: Searching and fetching content from the web.
Set up an MCP server: Set up an MCP server.
Automate tasks: Automate tasks.

Features

Technical documentation for each capability of Gemini CLI.

Extensions: Extend Gemini CLI with new tools and capabilities.
Agent Skills: Use specialized agents for specific tasks.
Checkpointing: Automatic session snapshots.
Headless mode: Programmatic and scripting interface.
Hooks: Customize Gemini CLI behavior with scripts.
IDE integration: Integrate Gemini CLI with your favorite IDE.
MCP servers: Connect to and use remote agents.
Model routing: Automatic fallback resilience.
Model selection: Choose the best model for your needs.
Plan mode 🔬: Use a safe, read-only mode for planning complex changes.
Subagents 🔬: Using specialized agents for specific tasks.
Remote subagents 🔬: Connecting to and using remote agents.
Rewind: Rewind and replay sessions.
Sandboxing: Isolate tool execution.
Settings: Full configuration reference.
Telemetry: Usage and performance metric details.
Token caching: Performance optimization.

Configuration

Settings and customization options for Gemini CLI.

Custom commands: Personalized shortcuts.
Enterprise configuration: Professional environment controls.
Ignore files (.geminiignore): Exclusion pattern reference.
Model configuration: Fine-tune generation parameters like temperature and thinking budget.
Project context (GEMINI.md): Technical hierarchy of context files.
System prompt override: Instruction replacement logic.
Themes: UI personalization technical guide.
Trusted folders: Security permission logic.

Reference

Deep technical documentation and API specifications.

Command reference: Detailed slash command guide.
Configuration reference: Settings and environment variables.
Keyboard shortcuts: Productivity tips.
Memory import processor: How Gemini CLI processes memory from various sources.
Policy engine: Fine-grained execution control.
Tools API: The API for defining and using tools.

Resources

Support, release history, and legal information.

FAQ: Answers to frequently asked questions.
Quota and pricing: Limits and billing details.
Terms and privacy: Official notices and terms.
Troubleshooting: Common issues and solutions.
Uninstall: How to uninstall Gemini CLI.

Development

Contribution guide: How to contribute to Gemini CLI.
Integration testing: Running integration tests.
Issue and PR automation: Automation for issues and pull requests.
Local development: Setting up a local development environment.
NPM package structure: The structure of the NPM packages.

Releases

Release notes: Release notes for all versions.
Stable release: The latest stable release.
Preview release: The latest preview release.

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