AgentSkillsCN

gemini-codebase-analysis

使用Gemini CLI的大规模上下文窗口分析大型代码库。当分析整个代码库、比较多个大文件、理解全项目模式、验证功能实现,或超出上下限时使用。

SKILL.md
--- frontmatter
name: gemini-codebase-analysis
description: Analyze large codebases using Gemini CLI's massive context window. Use when analyzing entire codebases, comparing multiple large files, understanding project-wide patterns, verifying feature implementations, or when context limits are exceeded.
allowed-tools: Bash

Gemini CLI for Large Codebase Analysis

Use the Gemini CLI with its massive context window to analyze large codebases or multiple files that might exceed context limits.

Basic Syntax

bash
gemini -p "@<path> <your question or prompt>"

The @ syntax includes files and directories in your prompt. Paths are relative to your current working directory.

File and Directory Inclusion

Single file

bash
gemini -p "@src/main.py Explain this file's purpose and structure"

Multiple files

bash
gemini -p "@package.json @src/index.js Analyze the dependencies used in the code"

Entire directory

bash
gemini -p "@src/ Summarize the architecture of this codebase"

Multiple directories

bash
gemini -p "@src/ @tests/ Analyze test coverage for the source code"

Current directory and subdirectories

bash
gemini -p "@./ Give me an overview of this entire project"

Using --all_files flag

bash
gemini --all_files -p "Analyze the project structure and dependencies"

Implementation Verification Examples

Check if a feature is implemented

bash
gemini -p "@src/ @lib/ Has dark mode been implemented in this codebase? Show me the relevant files and functions"

Verify authentication implementation

bash
gemini -p "@src/ @middleware/ Is JWT authentication implemented? List all auth-related endpoints and middleware"

Check for specific patterns

bash
gemini -p "@src/ Are there any React hooks that handle WebSocket connections? List them with file paths"

Verify error handling

bash
gemini -p "@src/ @api/ Is proper error handling implemented for all API endpoints? Show examples of try-catch blocks"

Check for rate limiting

bash
gemini -p "@backend/ @middleware/ Is rate limiting implemented for the API? Show the implementation details"

Verify caching strategy

bash
gemini -p "@src/ @lib/ @services/ Is Redis caching implemented? List all cache-related functions and their usage"

Check for security measures

bash
gemini -p "@src/ @api/ Are SQL injection protections implemented? Show how user inputs are sanitized"

Verify test coverage

bash
gemini -p "@src/payment/ @tests/ Is the payment processing module fully tested? List all test cases"

When to Use This Skill

  • Analyzing entire codebases or large directories
  • Comparing multiple large files
  • Understanding project-wide patterns or architecture
  • Current context window is insufficient for the task
  • Working with files totaling more than 100KB
  • Verifying if specific features, patterns, or security measures are implemented
  • Checking for the presence of certain coding patterns across the entire codebase

Important Notes

  • Paths in @ syntax are relative to your current working directory when invoking gemini
  • The CLI will include file contents directly in the context
  • No need for --yolo flag for read-only analysis
  • Gemini's context window can handle entire codebases that would overflow Claude's context
  • Be specific about what you're looking for to get accurate results