Cheat Sheet

Gemini CLI

Google's AI coding agent for the terminal

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Installation & Auth

npm install -g @google/gemini-cliInstall Gemini CLI globally

geminiLaunch interactive REPL

gemini auth loginAuthenticate with Google account

GEMINI_API_KEY=...Set API key via environment variable

gemini --versionShow installed version

CLI Flags

--model gemini-3.1-pro-previewSpecify which model to use

--all_filesInclude all repo files in context

--yoloSkip all confirmation prompts

--sandboxRun tool calls in an isolated sandbox

--debugEnable verbose debug logging

--output_format jsonJSON output for scripting

--no-memoryDisable persistent memory for session

REPL Commands

/helpList available commands

/clearClear conversation history

/memory add <fact>Save a fact to persistent memory

/memory showDisplay all saved memory entries

/memory clearRemove all memory entries

/statsShow token usage statistics

/compressCompress conversation to save tokens

/toolsList available built-in tools

/quit or Ctrl+CExit Gemini CLI

File & Context

@filenameAttach a file to the prompt

@folder/Attach an entire folder

gemini --all_filesInclude all repo files in context

GEMINI.mdProject-level instructions file

~/.gemini/GEMINI.mdUser-level (global) instructions

.geminiignoreExclude files from context (gitignore syntax)

1M token context windowFull codebase fits in one request

Built-in Tools

read_fileRead file contents from disk

write_fileWrite or create files on disk

run_commandExecute shell commands

web_searchSearch the web (Google Search grounding)

web_fetchFetch and read a URL

list_directoryList directory contents

grepSearch file contents by pattern

MCP & Config

mcpServers in settings.jsonConfigure MCP servers

~/.gemini/settings.jsonUser-level settings file

.gemini/settings.jsonProject-level settings file

sandbox: trueEnable sandbox mode in config

GOOGLE_CLOUD_PROJECT=...Set Vertex AI project env var

Google Search groundingEnable web-grounded responses

code-agents.oday-bakkour.com · Gemini CLI · Last verified: April 2026