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https://github.com/jamubc/gemini-mcp-tool

MCP server that enables AI assistants to interact with Google Gemini CLI, leveraging Gemini's massive token window for large file analysis and codebase understanding
https://github.com/jamubc/gemini-mcp-tool

ai claude cli codebase-analysis file-analysis gemini mcp model-context-protocol npm typescript

Last synced: 5 months ago
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MCP server that enables AI assistants to interact with Google Gemini CLI, leveraging Gemini's massive token window for large file analysis and codebase understanding

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README 

          

# Gemini MCP Tool






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> 📚 **[View Full Documentation](https://jamubc.github.io/gemini-mcp-tool/)** - Search me!, Examples, FAQ, Troubleshooting, Best Practices



This is a simple Model Context Protocol (MCP) server that allows AI assistants to interact with the [Gemini CLI](https://github.com/google-gemini/gemini-cli). It enables the AI to leverage the power of Gemini's massive token window for large analysis, especially with large files and codebases using the `@` syntax for direction.



- Ask gemini natural questions, through claude or Brainstorm new ideas in a party of 3!





  Gemini Tool MCP server




## TLDR: [![Claude](https://img.shields.io/badge/Claude-D97757?logo=claude&logoColor=fff)](#) + [![Google Gemini](https://img.shields.io/badge/Google%20Gemini-886FBF?logo=googlegemini&logoColor=fff)](#)



**Goal**: Use Gemini's powerful analysis capabilities directly in Claude Code to save tokens and analyze large files.



## Prerequisites



Before using this tool, ensure you have:



1. **[Node.js](https://nodejs.org/)** (v16.0.0 or higher)

2. **[Google Gemini CLI](https://github.com/google-gemini/gemini-cli)** installed and configured



### One-Line Setup



```bash

claude mcp add gemini-cli -- npx -y gemini-mcp-tool

```



### Verify Installation



Type `/mcp` inside Claude Code to verify the gemini-cli MCP is active.



---



### Alternative: Import from Claude Desktop



If you already have it configured in Claude Desktop:



1. Add to your Claude Desktop config:

```json

"gemini-cli": {

  "command": "npx",

  "args": ["-y", "gemini-mcp-tool"]

}

```



2. Import to Claude Code:

```bash

claude mcp add-from-claude-desktop

```



## Configuration



Register the MCP server with your MCP client:



### For NPX Usage (Recommended)



Add this configuration to your Claude Desktop config file:



```json

{

  "mcpServers": {

    "gemini-cli": {

      "command": "npx",

      "args": ["-y", "gemini-mcp-tool"]

    }

  }

}

```



### For Global Installation



If you installed globally, use this configuration instead:



```json

{

  "mcpServers": {

    "gemini-cli": {

      "command": "gemini-mcp"

    }

  }

}

```



**Configuration File Locations:**



- **Claude Desktop**:

  - **macOS**: `~/Library/Application Support/Claude/claude_desktop_config.json`

  - **Windows**: `%APPDATA%\Claude\claude_desktop_config.json`

  - **Linux**: `~/.config/claude/claude_desktop_config.json`



After updating the configuration, restart your terminal session.



## Example Workflow



- **Natural language**: "use gemini to explain index.html", "understand the massive project using gemini", "ask gemini to search for latest news"

- **Claude Code**: Type `/gemini-cli` and commands will populate in Claude Code's interface.



## Usage Examples



### With File References (using @ syntax)



- `ask gemini to analyze @src/main.js and explain what it does`

- `use gemini to summarize @. the current directory`

- `analyze @package.json and tell me about dependencies`



### General Questions (without files)



- `ask gemini to search for the latest tech news`

- `use gemini to explain div centering`

- `ask gemini about best practices for React development related to @file_im_confused_about`



### Using Gemini CLI's Sandbox Mode (-s)



The sandbox mode allows you to safely test code changes, run scripts, or execute potentially risky operations in an isolated environment.



- `use gemini sandbox to create and run a Python script that processes data`

- `ask gemini to safely test @script.py and explain what it does`

- `use gemini sandbox to install numpy and create a data visualization`

- `test this code safely: Create a script that makes HTTP requests to an API`



### Tools (for the AI)



These tools are designed to be used by the AI assistant.



- **`ask-gemini`**: Asks Google Gemini for its perspective. Can be used for general questions or complex analysis of files.

  - **`prompt`** (required): The analysis request. Use the `@` syntax to include file or directory references (e.g., `@src/main.js explain this code`) or ask general questions (e.g., `Please use a web search to find the latest news stories`).

  - **`model`** (optional): The Gemini model to use. Defaults to `gemini-2.5-pro`.

  - **`sandbox`** (optional): Set to `true` to run in sandbox mode for safe code execution.

- **`sandbox-test`**: Safely executes code or commands in Gemini's sandbox environment. Always runs in sandbox mode.

  - **`prompt`** (required): Code testing request (e.g., `Create and run a Python script that...` or `@script.py Run this safely`).

  - **`model`** (optional): The Gemini model to use.

- **`Ping`**: A simple test tool that echoes back a message.

- **`Help`**: Shows the Gemini CLI help text.



### Slash Commands (for the User)



You can use these commands directly in Claude Code's interface (compatibility with other clients has not been tested).



- **/analyze**: Analyzes files or directories using Gemini, or asks general questions.

  - **`prompt`** (required): The analysis prompt. Use `@` syntax to include files (e.g., `/analyze prompt:@src/ summarize this directory`) or ask general questions (e.g., `/analyze prompt:Please use a web search to find the latest news stories`).

- **/sandbox**: Safely tests code or scripts in Gemini's sandbox environment.

  - **`prompt`** (required): Code testing request (e.g., `/sandbox prompt:Create and run a Python script that processes CSV data` or `/sandbox prompt:@script.py Test this script safely`).

- **/help**: Displays the Gemini CLI help information.

- **/ping**: Tests the connection to the server.

  - **`message`** (optional): A message to echo back.



## Contributing



Contributions are welcome! Please see our [Contributing Guidelines](CONTRIBUTING.md) for details on how to submit pull requests, report issues, and contribute to the project.



## License



This project is licensed under the MIT License. See the [LICENSE](LICENSE) file for details.



**Disclaimer:** This is an unofficial, third-party tool and is not affiliated with, endorsed, or sponsored by Google.