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Update Gemini CLI article date to 2025-07-04
Renamed file and updated frontmatter date to reflect the substantial reorganisation and improvements made.
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content/posts/2025-07-01-getting-started-google-gemini-cli.md renamed to content/posts/2025-07-04-getting-started-google-gemini-cli.md

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@@ -22,6 +22,33 @@ With Gemini CLI you can:
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- Connect to MCP (Model Context Protocol) servers for extended capabilities
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- Use Google Search for grounding queries with real-time information
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## Key Features
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### Large Context Window
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Gemini's 1M token context window means you can work with substantial codebases without losing context. This is useful for:
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- Refactoring across multiple files
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- Understanding complex system architectures
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- Maintaining context during long conversations
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### Multimodal Input
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The CLI can work with:
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- Text and code
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- Images and sketches
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- PDFs and documents
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This means you can generate applications from UI mockups or process documentation images.
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### MCP Server Integration
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Like Claude Code, Gemini CLI supports Model Context Protocol (MCP) servers for extending functionality. The CLI includes an `/mcp` command for managing MCP servers, though the setup process isn't well documented yet.
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### Built-in Google Search
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Queries can be grounded with real-time Google Search results, ensuring your AI interactions have access to current information.
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## Installation
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The Gemini CLI requires Node.js version 18 or higher. Once you have that prerequisite, you have two installation options:
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For most users getting started, either Google account option provides sufficient quota for exploration and light usage.
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### API Key Authentication
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For advanced use cases or higher limits, you can use an API key instead:
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1. Generate a key from [Google AI Studio](https://aistudio.google.com/apikey)
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2. Set it as an environment variable:
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```bash
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export GEMINI_API_KEY="YOUR_API_KEY"
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```
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This approach is particularly useful for automated scripts or when you need higher rate limits.
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### Google Workspace Authentication Gotcha
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If you choose the Google Workspace option, you might encounter this error:
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Now you can run `gemini` and use the `/auth` command to trigger the authentication process again. It should work with your Google Workspace account this time.
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### API Key Authentication
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For advanced use cases or higher limits, you can use an API key instead:
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1. Generate a key from [Google AI Studio](https://aistudio.google.com/apikey)
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2. Set it as an environment variable:
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```bash
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export GEMINI_API_KEY="YOUR_API_KEY"
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```
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This approach is particularly useful for automated scripts or when you need higher rate limits.
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## Getting Started with Commands
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Once you're authenticated and in the Gemini CLI, you can use the `/help` command to see what's available:
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The `-p` flag lets you pass a prompt directly, and the `@` syntax works the same way for including file contents in your one-shot commands.
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## Key Features
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### Large Context Window
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Gemini's 1M token context window means you can work with substantial codebases without losing context. This is useful for:
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- Refactoring across multiple files
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- Understanding complex system architectures
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- Maintaining context during long conversations
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### Multimodal Input
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The CLI can work with:
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- Text and code
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- Images and sketches
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- PDFs and documents
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This means you can generate applications from UI mockups or process documentation images.
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### MCP Server Integration
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Like Claude Code, Gemini CLI supports Model Context Protocol (MCP) servers for extending functionality. The CLI includes an `/mcp` command for managing MCP servers, though the setup process isn't well documented yet.
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### Built-in Google Search
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Queries can be grounded with real-time Google Search results, ensuring your AI interactions have access to current information.
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## How It Compares to Other AI CLIs
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I've been using both Claude Code and OpenAI's Codex CLI, so here's how Gemini CLI feels different:
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**Context Window**: Gemini's 1M token context is significantly larger than most competitors, allowing for more comprehensive codebase understanding.
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**Authentication**: The Google account integration is more streamlined than API key management, though both options are available.
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**Multimodal Support**: The ability to work with images, PDFs, and sketches sets it apart from text-only alternatives.
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**MCP Integration**: The extensibility through MCP servers provides a path for custom integrations.
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## Getting Started: Your First Tasks
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Once you have the CLI running, here are some suggested first tasks to explore its capabilities:
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## Limitations and Considerations
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As with any new AI tool, there are some limitations worth keeping in mind:
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As with any of these AI tools, there are some common limitations worth keeping in mind:
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- **Rate limits** on the free tier may be restrictive if you're planning heavy usage
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- **Experimental status** means features and behaviour might change as Google develops it further
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- **Internet connectivity** required for all operations
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- **Data privacy** considerations when working with proprietary code
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## How It Compares to Other AI CLIs
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I've been using both Claude Code and OpenAI's Codex CLI, so here's how Gemini CLI feels different:
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**Context Window**: Gemini's 1M token context is significantly larger than most competitors, allowing for more comprehensive codebase understanding.
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**Authentication**: The Google account integration is more streamlined than API key management, though both options are available.
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**Multimodal Support**: The ability to work with images, PDFs, and sketches sets it apart from text-only alternatives.
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**MCP Integration**: The extensibility through MCP servers provides a path for custom integrations.
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## Next Steps
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I'm finding Gemini CLI's approach quite interesting - the large context window and multimodal capabilities are genuinely useful for complex development tasks. It feels less like a chat interface and more like a proper development tool.

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