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docs(config): update documentation for settings structure (#7352)

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Gal Zahavi
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@@ -1,5 +1,14 @@
# Gemini CLI Configuration
**Note on New Configuration Format**
The format of the `settings.json` file has been updated to a new, more organized structure.
- The new format will be supported in the stable release starting **[09/10/25]**.
- Automatic migration from the old format to the new format will begin on **[09/17/25]**.
For details on the previous format, please see the [v1 Configuration documentation](./configuration-v1.md).
Gemini CLI offers several ways to configure its behavior, including environment variables, command-line arguments, and settings files. This document outlines the different configuration methods and available settings.
## Configuration layers
@@ -41,117 +50,225 @@ In addition to a project settings file, a project's `.gemini` directory can cont
- [Custom sandbox profiles](#sandboxing) (e.g., `.gemini/sandbox-macos-custom.sb`, `.gemini/sandbox.Dockerfile`).
### Available settings in `settings.json`:
### Available settings in `settings.json`
- **`contextFileName`** (string or array of strings):
- **Description:** Specifies the filename for context files (e.g., `GEMINI.md`, `AGENTS.md`). Can be a single filename or a list of accepted filenames.
- **Default:** `GEMINI.md`
- **Example:** `"contextFileName": "AGENTS.md"`
Settings are organized into categories. All settings should be placed within their corresponding top-level category object in your `settings.json` file.
- **`bugCommand`** (object):
- **Description:** Overrides the default URL for the `/bug` command.
- **Default:** `"urlTemplate": "https://github.com/google-gemini/gemini-cli/issues/new?template=bug_report.yml&title={title}&info={info}"`
- **Properties:**
- **`urlTemplate`** (string): A URL that can contain `{title}` and `{info}` placeholders.
- **Example:**
```json
"bugCommand": {
"urlTemplate": "https://bug.example.com/new?title={title}&info={info}"
}
```
#### `general`
- **`fileFiltering`** (object):
- **Description:** Controls git-aware file filtering behavior for @ commands and file discovery tools.
- **Default:** `"respectGitIgnore": true, "enableRecursiveFileSearch": true`
- **Properties:**
- **`respectGitIgnore`** (boolean): Whether to respect .gitignore patterns when discovering files. When set to `true`, git-ignored files (like `node_modules/`, `dist/`, `.env`) are automatically excluded from @ commands and file listing operations.
- **`enableRecursiveFileSearch`** (boolean): Whether to enable searching recursively for filenames under the current tree when completing @ prefixes in the prompt.
- **`disableFuzzySearch`** (boolean): When `true`, disables the fuzzy search capabilities when searching for files, which can improve performance on projects with a large number of files.
- **Example:**
```json
"fileFiltering": {
"respectGitIgnore": true,
"enableRecursiveFileSearch": false,
"disableFuzzySearch": true
}
```
### Troubleshooting File Search Performance
If you are experiencing performance issues with file searching (e.g., with `@` completions), especially in projects with a very large number of files, here are a few things you can try in order of recommendation:
1. **Use `.geminiignore`:** Create a `.geminiignore` file in your project root to exclude directories that contain a large number of files that you don't need to reference (e.g., build artifacts, logs, `node_modules`). Reducing the total number of files crawled is the most effective way to improve performance.
2. **Disable Fuzzy Search:** If ignoring files is not enough, you can disable fuzzy search by setting `disableFuzzySearch` to `true` in your `settings.json` file. This will use a simpler, non-fuzzy matching algorithm, which can be faster.
3. **Disable Recursive File Search:** As a last resort, you can disable recursive file search entirely by setting `enableRecursiveFileSearch` to `false`. This will be the fastest option as it avoids a recursive crawl of your project. However, it means you will need to type the full path to files when using `@` completions.
- **`coreTools`** (array of strings):
- **Description:** Allows you to specify a list of core tool names that should be made available to the model. This can be used to restrict the set of built-in tools. See [Built-in Tools](../core/tools-api.md#built-in-tools) for a list of core tools. You can also specify command-specific restrictions for tools that support it, like the `ShellTool`. For example, `"coreTools": ["ShellTool(ls -l)"]` will only allow the `ls -l` command to be executed.
- **Default:** All tools available for use by the Gemini model.
- **Example:** `"coreTools": ["ReadFileTool", "GlobTool", "ShellTool(ls)"]`.
- **`allowedTools`** (array of strings):
- **`general.preferredEditor`** (string):
- **Description:** The preferred editor to open files in.
- **Default:** `undefined`
- **Description:** A list of tool names that will bypass the confirmation dialog. This is useful for tools that you trust and use frequently. The match semantics are the same as `coreTools`.
- **Example:** `"allowedTools": ["ShellTool(git status)"]`.
- **`excludeTools`** (array of strings):
- **Description:** Allows you to specify a list of core tool names that should be excluded from the model. A tool listed in both `excludeTools` and `coreTools` is excluded. You can also specify command-specific restrictions for tools that support it, like the `ShellTool`. For example, `"excludeTools": ["ShellTool(rm -rf)"]` will block the `rm -rf` command.
- **Default**: No tools excluded.
- **Example:** `"excludeTools": ["run_shell_command", "findFiles"]`.
- **Security Note:** Command-specific restrictions in
`excludeTools` for `run_shell_command` are based on simple string matching and can be easily bypassed. This feature is **not a security mechanism** and should not be relied upon to safely execute untrusted code. It is recommended to use `coreTools` to explicitly select commands
that can be executed.
- **`allowMCPServers`** (array of strings):
- **Description:** Allows you to specify a list of MCP server names that should be made available to the model. This can be used to restrict the set of MCP servers to connect to. Note that this will be ignored if `--allowed-mcp-server-names` is set.
- **Default:** All MCP servers are available for use by the Gemini model.
- **Example:** `"allowMCPServers": ["myPythonServer"]`.
- **Security Note:** This uses simple string matching on MCP server names, which can be modified. If you're a system administrator looking to prevent users from bypassing this, consider configuring the `mcpServers` at the system settings level such that the user will not be able to configure any MCP servers of their own. This should not be used as an airtight security mechanism.
- **`excludeMCPServers`** (array of strings):
- **Description:** Allows you to specify a list of MCP server names that should be excluded from the model. A server listed in both `excludeMCPServers` and `allowMCPServers` is excluded. Note that this will be ignored if `--allowed-mcp-server-names` is set.
- **Default**: No MCP servers excluded.
- **Example:** `"excludeMCPServers": ["myNodeServer"]`.
- **Security Note:** This uses simple string matching on MCP server names, which can be modified. If you're a system administrator looking to prevent users from bypassing this, consider configuring the `mcpServers` at the system settings level such that the user will not be able to configure any MCP servers of their own. This should not be used as an airtight security mechanism.
- **`autoAccept`** (boolean):
- **Description:** Controls whether the CLI automatically accepts and executes tool calls that are considered safe (e.g., read-only operations) without explicit user confirmation. If set to `true`, the CLI will bypass the confirmation prompt for tools deemed safe.
- **`general.vimMode`** (boolean):
- **Description:** Enable Vim keybindings.
- **Default:** `false`
- **Example:** `"autoAccept": true`
- **`theme`** (string):
- **Description:** Sets the visual [theme](./themes.md) for Gemini CLI.
- **Default:** `"Default"`
- **Example:** `"theme": "GitHub"`
- **`vimMode`** (boolean):
- **Description:** Enables or disables vim mode for input editing. When enabled, the input area supports vim-style navigation and editing commands with NORMAL and INSERT modes. The vim mode status is displayed in the footer and persists between sessions.
- **`general.disableAutoUpdate`** (boolean):
- **Description:** Disable automatic updates.
- **Default:** `false`
- **Example:** `"vimMode": true`
- **`sandbox`** (boolean or string):
- **Description:** Controls whether and how to use sandboxing for tool execution. If set to `true`, Gemini CLI uses a pre-built `gemini-cli-sandbox` Docker image. For more information, see [Sandboxing](#sandboxing).
- **`general.disableUpdateNag`** (boolean):
- **Description:** Disable update notification prompts.
- **Default:** `false`
- **Example:** `"sandbox": "docker"`
- **`toolDiscoveryCommand`** (string):
- **Description:** Defines a custom shell command for discovering tools from your project. The shell command must return on `stdout` a JSON array of [function declarations](https://ai.google.dev/gemini-api/docs/function-calling#function-declarations). Tool wrappers are optional.
- **Default:** Empty
- **Example:** `"toolDiscoveryCommand": "bin/get_tools"`
- **`general.checkpointing.enabled`** (boolean):
- **Description:** Enable session checkpointing for recovery.
- **Default:** `false`
- **`toolCallCommand`** (string):
- **Description:** Defines a custom shell command for calling a specific tool that was discovered using `toolDiscoveryCommand`. The shell command must meet the following criteria:
- It must take function `name` (exactly as in [function declaration](https://ai.google.dev/gemini-api/docs/function-calling#function-declarations)) as first command line argument.
- It must read function arguments as JSON on `stdin`, analogous to [`functionCall.args`](https://cloud.google.com/vertex-ai/generative-ai/docs/model-reference/inference#functioncall).
- It must return function output as JSON on `stdout`, analogous to [`functionResponse.response.content`](https://cloud.google.com/vertex-ai/generative-ai/docs/model-reference/inference#functionresponse).
- **Default:** Empty
- **Example:** `"toolCallCommand": "bin/call_tool"`
#### `ui`
- **`ui.theme`** (string):
- **Description:** The color theme for the UI. See [Themes](./themes.md) for available options.
- **Default:** `undefined`
- **`ui.customThemes`** (object):
- **Description:** Custom theme definitions.
- **Default:** `{}`
- **`ui.hideWindowTitle`** (boolean):
- **Description:** Hide the window title bar.
- **Default:** `false`
- **`ui.hideTips`** (boolean):
- **Description:** Hide helpful tips in the UI.
- **Default:** `false`
- **`ui.hideBanner`** (boolean):
- **Description:** Hide the application banner.
- **Default:** `false`
- **`ui.hideFooter`** (boolean):
- **Description:** Hide the footer from the UI.
- **Default:** `false`
- **`ui.showMemoryUsage`** (boolean):
- **Description:** Display memory usage information in the UI.
- **Default:** `false`
- **`ui.showLineNumbers`** (boolean):
- **Description:** Show line numbers in the chat.
- **Default:** `false`
- **`ui.accessibility.disableLoadingPhrases`** (boolean):
- **Description:** Disable loading phrases for accessibility.
- **Default:** `false`
#### `ide`
- **`ide.enabled`** (boolean):
- **Description:** Enable IDE integration mode.
- **Default:** `false`
- **`ide.hasSeenNudge`** (boolean):
- **Description:** Whether the user has seen the IDE integration nudge.
- **Default:** `false`
#### `privacy`
- **`privacy.usageStatisticsEnabled`** (boolean):
- **Description:** Enable collection of usage statistics.
- **Default:** `true`
#### `model`
- **`model.name`** (string):
- **Description:** The Gemini model to use for conversations.
- **Default:** `undefined`
- **`model.maxSessionTurns`** (number):
- **Description:** Maximum number of user/model/tool turns to keep in a session. -1 means unlimited.
- **Default:** `-1`
- **`model.summarizeToolOutput`** (object):
- **Description:** Settings for summarizing tool output.
- **Default:** `undefined`
- **`model.chatCompression`** (object):
- **Description:** Chat compression settings.
- **Default:** `undefined`
- **`model.skipNextSpeakerCheck`** (boolean):
- **Description:** Skip the next speaker check.
- **Default:** `false`
#### `context`
- **`context.fileName`** (string or array of strings):
- **Description:** The name of the context file(s).
- **Default:** `undefined`
- **`context.importFormat`** (string):
- **Description:** The format to use when importing memory.
- **Default:** `undefined`
- **`context.discoveryMaxDirs`** (number):
- **Description:** Maximum number of directories to search for memory.
- **Default:** `200`
- **`context.includeDirectories`** (array):
- **Description:** Additional directories to include in the workspace context. Missing directories will be skipped with a warning.
- **Default:** `[]`
- **`context.loadFromIncludeDirectories`** (boolean):
- **Description:** Whether to load memory files from include directories.
- **Default:** `false`
- **`context.fileFiltering.respectGitIgnore`** (boolean):
- **Description:** Respect .gitignore files when searching.
- **Default:** `true`
- **`context.fileFiltering.respectGeminiIgnore`** (boolean):
- **Description:** Respect .geminiignore files when searching.
- **Default:** `true`
- **`context.fileFiltering.enableRecursiveFileSearch`** (boolean):
- **Description:** Enable recursive file search functionality.
- **Default:** `true`
#### `tools`
- **`tools.sandbox`** (boolean or string):
- **Description:** Sandbox execution environment (can be a boolean or a path string).
- **Default:** `undefined`
- **`tools.usePty`** (boolean):
- **Description:** Use node-pty for shell command execution. Fallback to child_process still applies.
- **Default:** `false`
- **`tools.core`** (array of strings):
- **Description:** Paths to core tool definitions.
- **Default:** `undefined`
- **`tools.exclude`** (array of strings):
- **Description:** Tool names to exclude from discovery.
- **Default:** `undefined`
- **`tools.discoveryCommand`** (string):
- **Description:** Command to run for tool discovery.
- **Default:** `undefined`
- **`tools.callCommand`** (string):
- **Description:** Command to run for tool calls.
- **Default:** `undefined`
#### `mcp`
- **`mcp.serverCommand`** (string):
- **Description:** Command to start an MCP server.
- **Default:** `undefined`
- **`mcp.allowed`** (array of strings):
- **Description:** A whitelist of MCP servers to allow.
- **Default:** `undefined`
- **`mcp.excluded`** (array of strings):
- **Description:** A blacklist of MCP servers to exclude.
- **Default:** `undefined`
#### `security`
- **`security.folderTrust.featureEnabled`** (boolean):
- **Description:** Enable folder trust feature for enhanced security.
- **Default:** `false`
- **`security.folderTrust.enabled`** (boolean):
- **Description:** Setting to track whether Folder trust is enabled.
- **Default:** `false`
- **`security.auth.selectedType`** (string):
- **Description:** The currently selected authentication type.
- **Default:** `undefined`
- **`security.auth.useExternal`** (boolean):
- **Description:** Whether to use an external authentication flow.
- **Default:** `undefined`
#### `advanced`
- **`advanced.autoConfigureMemory`** (boolean):
- **Description:** Automatically configure Node.js memory limits.
- **Default:** `false`
- **`advanced.dnsResolutionOrder`** (string):
- **Description:** The DNS resolution order.
- **Default:** `undefined`
- **`advanced.excludedEnvVars`** (array of strings):
- **Description:** Environment variables to exclude from project context.
- **Default:** `["DEBUG","DEBUG_MODE"]`
- **`advanced.bugCommand`** (object):
- **Description:** Configuration for the bug report command.
- **Default:** `undefined`
#### Top-Level Settings
The following settings remain at the top level of the `settings.json` file.
- **`mcpServers`** (object):
- **Description:** Configures connections to one or more Model-Context Protocol (MCP) servers for discovering and using custom tools. Gemini CLI attempts to connect to each configured MCP server to discover available tools. If multiple MCP servers expose a tool with the same name, the tool names will be prefixed with the server alias you defined in the configuration (e.g., `serverAlias__actualToolName`) to avoid conflicts. Note that the system might strip certain schema properties from MCP tool definitions for compatibility. At least one of `command`, `url`, or `httpUrl` must be provided. If multiple are specified, the order of precedence is `httpUrl`, then `url`, then `command`.
- **Default:** Empty
- **Default:** `{}`
- **Properties:**
- **`<SERVER_NAME>`** (object): The server parameters for the named server.
- `command` (string, optional): The command to execute to start the MCP server via standard I/O.
@@ -166,191 +283,39 @@ If you are experiencing performance issues with file searching (e.g., with `@` c
- `description` (string, optional): A brief description of the server, which may be used for display purposes.
- `includeTools` (array of strings, optional): List of tool names to include from this MCP server. When specified, only the tools listed here will be available from this server (whitelist behavior). If not specified, all tools from the server are enabled by default.
- `excludeTools` (array of strings, optional): List of tool names to exclude from this MCP server. Tools listed here will not be available to the model, even if they are exposed by the server. **Note:** `excludeTools` takes precedence over `includeTools` - if a tool is in both lists, it will be excluded.
- **Example:**
```json
"mcpServers": {
"myPythonServer": {
"command": "python",
"args": ["mcp_server.py", "--port", "8080"],
"cwd": "./mcp_tools/python",
"timeout": 5000,
"includeTools": ["safe_tool", "file_reader"],
},
"myNodeServer": {
"command": "node",
"args": ["mcp_server.js"],
"cwd": "./mcp_tools/node",
"excludeTools": ["dangerous_tool", "file_deleter"]
},
"myDockerServer": {
"command": "docker",
"args": ["run", "-i", "--rm", "-e", "API_KEY", "ghcr.io/foo/bar"],
"env": {
"API_KEY": "$MY_API_TOKEN"
}
},
"mySseServer": {
"url": "http://localhost:8081/events",
"headers": {
"Authorization": "Bearer $MY_SSE_TOKEN"
},
"description": "An example SSE-based MCP server."
},
"myStreamableHttpServer": {
"httpUrl": "http://localhost:8082/stream",
"headers": {
"X-API-Key": "$MY_HTTP_API_KEY"
},
"description": "An example Streamable HTTP-based MCP server."
}
}
```
- **`checkpointing`** (object):
- **Description:** Configures the checkpointing feature, which allows you to save and restore conversation and file states. See the [Checkpointing documentation](../checkpointing.md) for more details.
- **Default:** `{"enabled": false}`
- **Properties:**
- **`enabled`** (boolean): When `true`, the `/restore` command is available.
- **`preferredEditor`** (string):
- **Description:** Specifies the preferred editor to use for viewing diffs.
- **Default:** `vscode`
- **Example:** `"preferredEditor": "vscode"`
- **`telemetry`** (object)
- **Description:** Configures logging and metrics collection for Gemini CLI. For more information, see [Telemetry](../telemetry.md).
- **Default:** `{"enabled": false, "target": "local", "otlpEndpoint": "http://localhost:4317", "logPrompts": true}`
- **Default:** `undefined`
- **Properties:**
- **`enabled`** (boolean): Whether or not telemetry is enabled.
- **`target`** (string): The destination for collected telemetry. Supported values are `local` and `gcp`.
- **`otlpEndpoint`** (string): The endpoint for the OTLP Exporter.
- **`otlpProtocol`** (string): The protocol for the OTLP Exporter (`grpc` or `http`).
- **`logPrompts`** (boolean): Whether or not to include the content of user prompts in the logs.
- **Example:**
```json
"telemetry": {
"enabled": true,
"target": "local",
"otlpEndpoint": "http://localhost:16686",
"logPrompts": false
}
```
- **`usageStatisticsEnabled`** (boolean):
- **Description:** Enables or disables the collection of usage statistics. See [Usage Statistics](#usage-statistics) for more information.
- **Default:** `true`
- **Example:**
```json
"usageStatisticsEnabled": false
```
- **`outfile`** (string): The file to write telemetry to when `target` is `local`.
- **`hideTips`** (boolean):
- **Description:** Enables or disables helpful tips in the CLI interface.
- **Default:** `false`
- **Example:**
### Example `settings.json`
```json
"hideTips": true
```
- **`hideBanner`** (boolean):
- **Description:** Enables or disables the startup banner (ASCII art logo) in the CLI interface.
- **Default:** `false`
- **Example:**
```json
"hideBanner": true
```
- **`maxSessionTurns`** (number):
- **Description:** Sets the maximum number of turns for a session. If the session exceeds this limit, the CLI will stop processing and start a new chat.
- **Default:** `-1` (unlimited)
- **Example:**
```json
"maxSessionTurns": 10
```
- **`summarizeToolOutput`** (object):
- **Description:** Enables or disables the summarization of tool output. You can specify the token budget for the summarization using the `tokenBudget` setting.
- Note: Currently only the `run_shell_command` tool is supported.
- **Default:** `{}` (Disabled by default)
- **Example:**
```json
"summarizeToolOutput": {
"run_shell_command": {
"tokenBudget": 2000
}
}
```
- **`excludedProjectEnvVars`** (array of strings):
- **Description:** Specifies environment variables that should be excluded from being loaded from project `.env` files. This prevents project-specific environment variables (like `DEBUG=true`) from interfering with gemini-cli behavior. Variables from `.gemini/.env` files are never excluded.
- **Default:** `["DEBUG", "DEBUG_MODE"]`
- **Example:**
```json
"excludedProjectEnvVars": ["DEBUG", "DEBUG_MODE", "NODE_ENV"]
```
- **`includeDirectories`** (array of strings):
- **Description:** Specifies an array of additional absolute or relative paths to include in the workspace context. Missing directories will be skipped with a warning by default. Paths can use `~` to refer to the user's home directory. This setting can be combined with the `--include-directories` command-line flag.
- **Default:** `[]`
- **Example:**
```json
"includeDirectories": [
"/path/to/another/project",
"../shared-library",
"~/common-utils"
]
```
- **`loadMemoryFromIncludeDirectories`** (boolean):
- **Description:** Controls the behavior of the `/memory refresh` command. If set to `true`, `GEMINI.md` files should be loaded from all directories that are added. If set to `false`, `GEMINI.md` should only be loaded from the current directory.
- **Default:** `false`
- **Example:**
```json
"loadMemoryFromIncludeDirectories": true
```
- **`chatCompression`** (object):
- **Description:** Controls the settings for chat history compression, both automatic and
when manually invoked through the /compress command.
- **Properties:**
- **`contextPercentageThreshold`** (number): A value between 0 and 1 that specifies the token threshold for compression as a percentage of the model's total token limit. For example, a value of `0.6` will trigger compression when the chat history exceeds 60% of the token limit.
- **Example:**
```json
"chatCompression": {
"contextPercentageThreshold": 0.6
}
```
- **`showLineNumbers`** (boolean):
- **Description:** Controls whether line numbers are displayed in code blocks in the CLI output.
- **Default:** `true`
- **Example:**
```json
"showLineNumbers": false
```
- **`accessibility`** (object):
- **Description:** Configures accessibility features for the CLI.
- **Properties:**
- **`screenReader`** (boolean): Enables screen reader mode, which adjusts the TUI for better compatibility with screen readers. This can also be enabled with the `--screen-reader` command-line flag, which will take precedence over the setting.
- **`disableLoadingPhrases`** (boolean): Disables the display of loading phrases during operations.
- **Default:** `{"screenReader": false, "disableLoadingPhrases": false}`
- **Example:**
```json
"accessibility": {
"screenReader": true,
"disableLoadingPhrases": true
}
```
### Example `settings.json`:
Here is an example of a `settings.json` file with the new nested structure:
```json
{
"theme": "GitHub",
"sandbox": "docker",
"toolDiscoveryCommand": "bin/get_tools",
"toolCallCommand": "bin/call_tool",
"general": {
"vimMode": true,
"preferredEditor": "code"
},
"ui": {
"theme": "GitHub",
"hideBanner": true,
"hideTips": false
},
"tools": {
"sandbox": "docker",
"discoveryCommand": "bin/get_tools",
"callCommand": "bin/call_tool",
"exclude": ["write_file"]
},
"mcpServers": {
"mainServer": {
"command": "bin/mcp_server.py"
@@ -366,18 +331,29 @@ If you are experiencing performance issues with file searching (e.g., with `@` c
"otlpEndpoint": "http://localhost:4317",
"logPrompts": true
},
"usageStatisticsEnabled": true,
"hideTips": false,
"hideBanner": false,
"maxSessionTurns": 10,
"summarizeToolOutput": {
"run_shell_command": {
"tokenBudget": 100
"privacy": {
"usageStatisticsEnabled": true
},
"model": {
"name": "gemini-1.5-pro-latest",
"maxSessionTurns": 10,
"summarizeToolOutput": {
"run_shell_command": {
"tokenBudget": 100
}
}
},
"excludedProjectEnvVars": ["DEBUG", "DEBUG_MODE", "NODE_ENV"],
"includeDirectories": ["path/to/dir1", "~/path/to/dir2", "../path/to/dir3"],
"loadMemoryFromIncludeDirectories": true
"context": {
"fileName": ["CONTEXT.md", "GEMINI.md"],
"includeDirectories": ["path/to/dir1", "~/path/to/dir2", "../path/to/dir3"],
"loadFromIncludeDirectories": true,
"fileFiltering": {
"respectGitIgnore": false
}
},
"advanced": {
"excludedEnvVars": ["DEBUG", "DEBUG_MODE", "NODE_ENV"]
}
}
```
@@ -399,7 +375,7 @@ The CLI automatically loads environment variables from an `.env` file. The loadi
2. If not found, it searches upwards in parent directories until it finds an `.env` file or reaches the project root (identified by a `.git` folder) or the home directory.
3. If still not found, it looks for `~/.env` (in the user's home directory).
**Environment Variable Exclusion:** Some environment variables (like `DEBUG` and `DEBUG_MODE`) are automatically excluded from being loaded from project `.env` files to prevent interference with gemini-cli behavior. Variables from `.gemini/.env` files are never excluded. You can customize this behavior using the `excludedProjectEnvVars` setting in your `settings.json` file.
**Environment Variable Exclusion:** Some environment variables (like `DEBUG` and `DEBUG_MODE`) are automatically excluded from being loaded from project `.env` files to prevent interference with gemini-cli behavior. Variables from `.gemini/.env` files are never excluded. You can customize this behavior using the `advanced.excludedEnvVars` setting in your `settings.json` file.
- **`GEMINI_API_KEY`**:
- Your API key for the Gemini API.
@@ -520,7 +496,7 @@ Arguments passed directly when running the CLI can override other configurations
## Context Files (Hierarchical Instructional Context)
While not strictly configuration for the CLI's _behavior_, context files (defaulting to `GEMINI.md` but configurable via the `contextFileName` setting) are crucial for configuring the _instructional context_ (also referred to as "memory") provided to the Gemini model. This powerful feature allows you to give project-specific instructions, coding style guides, or any relevant background information to the AI, making its responses more tailored and accurate to your needs. The CLI includes UI elements, such as an indicator in the footer showing the number of loaded context files, to keep you informed about the active context.
While not strictly configuration for the CLI's _behavior_, context files (defaulting to `GEMINI.md` but configurable via the `context.fileName` setting) are crucial for configuring the _instructional context_ (also referred to as "memory") provided to the Gemini model. This powerful feature allows you to give project-specific instructions, coding style guides, or any relevant background information to the AI, making its responses more tailored and accurate to your needs. The CLI includes UI elements, such as an indicator in the footer showing the number of loaded context files, to keep you informed about the active context.
- **Purpose:** These Markdown files contain instructions, guidelines, or context that you want the Gemini model to be aware of during your interactions. The system is designed to manage this instructional context hierarchically.
@@ -561,13 +537,13 @@ This example demonstrates how you can provide general project context, specific
- **Hierarchical Loading and Precedence:** The CLI implements a sophisticated hierarchical memory system by loading context files (e.g., `GEMINI.md`) from several locations. Content from files lower in this list (more specific) typically overrides or supplements content from files higher up (more general). The exact concatenation order and final context can be inspected using the `/memory show` command. The typical loading order is:
1. **Global Context File:**
- Location: `~/.gemini/<contextFileName>` (e.g., `~/.gemini/GEMINI.md` in your user home directory).
- Location: `~/.gemini/<configured-context-filename>` (e.g., `~/.gemini/GEMINI.md` in your user home directory).
- Scope: Provides default instructions for all your projects.
2. **Project Root & Ancestors Context Files:**
- Location: The CLI searches for the configured context file in the current working directory and then in each parent directory up to either the project root (identified by a `.git` folder) or your home directory.
- Scope: Provides context relevant to the entire project or a significant portion of it.
3. **Sub-directory Context Files (Contextual/Local):**
- Location: The CLI also scans for the configured context file in subdirectories _below_ the current working directory (respecting common ignore patterns like `node_modules`, `.git`, etc.). The breadth of this search is limited to 200 directories by default, but can be configured with a `memoryDiscoveryMaxDirs` field in your `settings.json` file.
- Location: The CLI also scans for the configured context file in subdirectories _below_ the current working directory (respecting common ignore patterns like `node_modules`, `.git`, etc.). The breadth of this search is limited to 200 directories by default, but can be configured with the `context.discoveryMaxDirs` setting in your `settings.json` file.
- Scope: Allows for highly specific instructions relevant to a particular component, module, or subsection of your project.
- **Concatenation & UI Indication:** The contents of all found context files are concatenated (with separators indicating their origin and path) and provided as part of the system prompt to the Gemini model. The CLI footer displays the count of loaded context files, giving you a quick visual cue about the active instructional context.
- **Importing Content:** You can modularize your context files by importing other Markdown files using the `@path/to/file.md` syntax. For more details, see the [Memory Import Processor documentation](../core/memport.md).
@@ -625,10 +601,12 @@ To help us improve the Gemini CLI, we collect anonymized usage statistics. This
**How to opt out:**
You can opt out of usage statistics collection at any time by setting the `usageStatisticsEnabled` property to `false` in your `settings.json` file:
You can opt out of usage statistics collection at any time by setting the `usageStatisticsEnabled` property to `false` under the `privacy` category in your `settings.json` file:
```json
{
"usageStatisticsEnabled": false
"privacy": {
"usageStatisticsEnabled": false
}
}
```