Code Generation & Debugging

Generate boilerplate code, implement functions, or debug tricky issues directly from your terminal.

Generate Functions

Create complete functions by describing what you need:

gemini code "Create a Python function that downloads all images from a webpage and saves them to a specified directory"

Gemini will generate a complete Python function with error handling, comments, and best practices.

Debug Errors

Get help with error messages:

cat error.log | gemini debug

Gemini will analyze the error log, explain what went wrong, and suggest potential fixes.

Code Refactoring

Improve existing code:

gemini refactor --file script.js "Optimize this code for better performance"

Gemini will analyze your code and suggest optimizations while maintaining functionality.

Content Creation

Draft emails, write documentation, create blog posts, or generate marketing copy without leaving your terminal.

Technical Documentation

Generate documentation for your code:

gemini document --file app.py "Create comprehensive documentation with examples"

Gemini will analyze your code and generate clear, well-structured documentation with usage examples.

Email Drafting

Create professional emails quickly:

gemini write "Draft a professional email to schedule a meeting with a client to discuss project milestones"

Gemini will generate a well-structured, professional email that you can customize and send.

Content Summaries

Summarize long articles or documents:

gemini summarize --url https://example.com/long-article

Gemini will fetch the article and provide a concise summary highlighting the key points.

Quick Lookups & Learning

Get instant answers to technical questions, learn new concepts, or get help with command syntax without context switching.

Technical Q&A

Get answers to technical questions:

gemini ask "What's the difference between promises and async/await in JavaScript?"

Gemini will provide a detailed explanation with examples comparing both approaches.

Command Syntax Help

Get help with complex commands:

gemini shell "How do I find all files modified in the last 7 days and copy them to a backup directory?"

Gemini will suggest the appropriate shell command with explanations of each part.

Concept Explanations

Learn about complex concepts:

gemini explain "How does Docker containerization work?"

Gemini will provide a clear, comprehensive explanation tailored to your level of understanding.

Large Codebase Analysis

Leverage Gemini CLI's 1M token context window to analyze and manipulate large codebases.

Codebase Architecture Understanding

Quickly understand the structure of complex codebases:

cd your-complex-project
gemini
> Describe the architecture of this codebase and explain how the main components interact.

Gemini will analyze the codebase structure, identify key components, and explain how they interact.

Code Improvement Suggestions

Get comprehensive code improvement recommendations:

gemini
> Analyze this codebase for potential security vulnerabilities and suggest improvements.

Gemini will scan the entire codebase, identify potential security vulnerabilities and provide fix recommendations.

Large-scale Code Changes

Implement consistent changes across multiple files:

gemini
> Update all API endpoints to use the new authentication middleware.

Gemini will locate all API endpoint files and help implement consistent changes.

Multimodal Application Development

Use Gemini's multimodal capabilities to generate applications from PDFs, images, or sketches.

Creating Apps from Designs

Convert UI sketches to actual code:

gemini
> Generate a React component based on this design
/tools web-fetch https://example.com/design-mockup.png

Gemini will analyze the design and generate React component code that matches the design.

Extracting Information from PDFs

Process structured documents:

gemini
> Extract all tables from this technical specification and convert them to JSON
/tools file-read specification.pdf

Gemini will process the PDF document, extract tables and convert them to structured JSON data.

Processing Charts and Graphics

Understand and process graphical data:

gemini
> Analyze this chart and explain what trends it shows
/tools file-read sales-chart.png

Gemini will analyze the chart, identify trends and provide data insights.

Automated Development Tasks

Automate complex development tasks through built-in tools and MCP protocol.

Pull Request Processing

Automatically analyze and process PRs:

gemini
> Summarize all open PRs in this repository and identify any that need immediate attention

Gemini will query GitHub, analyze all open PRs, and highlight issues that need attention.

Automated Code Refactoring

Execute complex code refactoring:

gemini
> Refactor all class-based components to functional components with hooks

Gemini will identify all class components and convert them to functional components using React Hooks.

Multi-tool Integrated Workflows

Combine multiple tools into a single workflow:

gemini
> Set up a CI/CD pipeline for this project using GitHub Actions

Gemini will analyze the project, generate appropriate GitHub Actions configuration files, and guide you through the setup process.

Ready to Try These Use Cases?

Start using Gemini CLI today and transform your development workflow.

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