The Gemini CLI is an open-source command-line AI agent developed by Google that integrates Gemini's AI capabilities directly into the terminal.
It enables users to query and edit codebases, automate operational tasks, generate applications using multimodal input, and connect to external tools.
The CLI supports authentication via personal Google accounts, Gemini API keys, or Vertex AI API keys, offering varying quota and usage limits.
The project is highly active, with over 56,000 stars, more than 120 contributors, and frequent releases, the latest being v0.1.9-nightly.250709.c8cf954e as of July 9, 2025.
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Repository Overview and Features
Gemini CLI provides AI-powered workflow automation for developers via command-line, supporting large codebase queries, multimodal app generation, and operational automation.
Users can interactively query code, manage pull requests, automate code review, and connect external tools such as media generation through MCP servers.
Built-in support for grounding queries with Google Search and seamless integration into the developer's workflow.
Comprehensive documentation, troubleshooting guides, and community support are available to assist new users and contributors.
Quickstart and Authentication Methods
Prerequisites: Node.js v20 or later is required.
CLI can be executed directly via npx or installed globally via npm.
Color theme customization and Google account authentication are prompted on first use, with default quotas of 60 requests/minute and 1,000 requests/day.
Users can opt for Gemini API keys for 100 free requests/day (upgradeable), or Vertex AI API keys for additional features and quotas with billing.
Detailed authentication instructions and support for Google Workspace accounts are provided in the documentation.
Usage Examples and Popular Tasks
Example tasks include generating Discord bots, summarizing code changes, migrating codebases, automating slide deck creation, and organizing local files.
The CLI supports both new and existing projects, emphasizing automation and workflow enhancement for developers.
Popular use cases: codebase exploration, code generation, workflow automation, and system file management.
Documentation and Support
Extensive documentation covers building from source, command usage, troubleshooting, and uninstallation.
Users are encouraged to explore CLI commands, review common tasks, and consult the troubleshooting guide for issues.
The project maintains an active community with frequent contributions and a robust issue-tracking system.
Licensing and Governance
Licensed under Apache-2.0, with clear terms of service and privacy notice available.
Security policy and release notes are openly accessible.
Contributions are encouraged, with clear guidelines provided in the CONTRIBUTING.md file.
Decisions
Support for multiple authentication methods (Google, Gemini API, Vertex AI) — ensures flexibility for varied user needs and access levels.
Open Questions / Follow-Ups
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