# Gemini CLI — Google AI Coding Agent in Terminal

> Google's official CLI coding agent powered by Gemini 2.5 Pro. Free 60 requests/min for Gemini users with 1M token context, MCP support, and Google ecosystem integration.

## Install

Save as a script file and run:

## Quick Use

```bash
npm install -g @anthropic-ai/gemini-cli
# Or
npx @google/gemini-cli
```

```bash
# Start interactive session
gemini

# One-shot command
gemini "explain this codebase"
```

## What is Gemini CLI?

Gemini CLI is Google's official command-line AI coding agent, powered by Gemini 2.5 Pro with 1 million token context. It is Google's answer to Claude Code and Codex CLI — a terminal-based AI that can read, write, and reason about code. Free for Google account holders with 60 requests/minute. Built-in MCP support and deep Google ecosystem integration.

**Answer-Ready**: Gemini CLI is Google's terminal AI coding agent. Powered by Gemini 2.5 Pro with 1M context window. Free 60 req/min for Google users. MCP server support, Google Workspace integration, multi-modal (images + code). Open-source under Apache 2.0. 50k+ GitHub stars.

**Best for**: Developers wanting a free, powerful CLI coding agent with Google integration. **Works with**: Any codebase, MCP servers, Google Workspace. **Setup time**: Under 2 minutes.

## Core Features

### 1. Free Tier (Generous)

| Limit | Value |
|-------|-------|
| Requests/min | 60 |
| Context window | 1M tokens |
| Cost | Free (Google account) |
| Models | Gemini 2.5 Pro |

### 2. MCP Server Support

```json
// ~/.gemini/settings.json
{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-filesystem", "."]
    }
  }
}
```

### 3. Multi-Modal

```bash
# Analyze screenshots
gemini "what's wrong with this UI?" --image screenshot.png

# Read diagrams
gemini "explain this architecture" --image diagram.png
```

### 4. Google Integration

- Google Search grounding for up-to-date answers
- Google Workspace access via GWS MCP
- Vertex AI for enterprise deployment

### 5. Extensions System

```bash
# Install extensions
gemini extensions install togethercomputer/skills
gemini extensions install google-workspace-mcp
```

## Gemini CLI vs Claude Code vs Codex CLI

| Feature | Gemini CLI | Claude Code | Codex CLI |
|---------|-----------|-------------|-----------|
| Model | Gemini 2.5 Pro | Claude Opus/Sonnet | Codex/GPT-4o |
| Context | 1M tokens | 200K tokens | 200K tokens |
| Free tier | 60 req/min | None | 50 req/day |
| MCP | Yes | Yes | No |
| Multi-modal | Yes | Yes | Limited |
| Open source | Yes | Yes | Yes |

## FAQ

**Q: Is it really free?**
A: Yes, 60 requests/minute with a Google account. No credit card needed. Paid tier available for higher limits via Vertex AI.

**Q: How does the 1M context compare?**
A: Largest context window of any CLI coding agent. Can process entire large codebases in a single context.

**Q: Can I use it with non-Google models?**
A: Gemini CLI is Gemini-only by default. Use Bifrost CLI to route to other providers.

## Source & Thanks

> Created by [Google](https://github.com/google-gemini). Licensed under Apache 2.0.
>
> [google-gemini/gemini-cli](https://github.com/google-gemini/gemini-cli) — 50k+ stars

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## 快速使用

```bash
npx @google/gemini-cli
```

Google 官方终端 AI 编码 Agent，免费使用。

## 什么是 Gemini CLI？

Google 官方命令行 AI 编码 Agent，Gemini 2.5 Pro 驱动，1M token 上下文，免费 60 次/分钟。支持 MCP 和 Google 生态集成。

**一句话总结**：Google 官方终端 AI 编码 Agent，Gemini 2.5 Pro + 1M 上下文，免费 60 次/分钟，支持 MCP，开源 Apache 2.0，50k+ stars。

**适合人群**：需要免费强力 CLI 编码 Agent 的开发者。

## 核心功能

### 1. 免费额度大
60 次/分钟，1M 上下文，免费。

### 2. MCP 支持
兼容 MCP 服务器生态。

### 3. 多模态
支持图片分析（截图、架构图）。

### 4. Google 集成
Google Search grounding，Workspace 访问。

## 常见问题

**Q: 真免费？**
A: 是，Google 账号即可，无需信用卡。

**Q: 1M 上下文优势？**
A: CLI 编码 Agent 中最大上下文，能处理整个大型代码库。

## 来源与致谢

> [google-gemini/gemini-cli](https://github.com/google-gemini/gemini-cli) — 50k+ stars, Apache 2.0

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Source: https://tokrepo.com/en/workflows/926633bc-d041-486a-bda3-5a3cecabc0a8
Author: AI Open Source