Google Sheets API MCP Server

A comprehensive Model Context Protocol (MCP) server for interacting with the Google Sheets API. This server provides tools and resources for managing spreadsheets, sheets, values, and developer metadata.

## Features

- Create, read, update, and delete spreadsheets
- Manage sheets within spreadsheets
- Read, write, append, and clear values
- Work with developer metadata
- Access spreadsheet data through MCP resources

## Prerequisites

- Node.js 16 or higher
- Google Cloud Platform project with the Google Sheets API enabled
- OAuth 2.0 credentials (client ID, client secret, refresh token)

## Setup

1. Clone this repository
2. Install dependencies:
   ```
   npm install
   ```
3. Create a `.env` file based on `.env.example` with your Google API credentials:
   ```
   CLIENT_ID=your_client_id
   CLIENT_SECRET=your_client_secret
   REDIRECT_URI=your_redirect_uri
   REFRESH_TOKEN=your_refresh_token
   ```

## Usage

### Running the server

```
npm start
```

### Development mode

```
npm run dev
```

### Testing with MCP Inspector

```
npm run inspect
```

## Available Tools

### Spreadsheet Management

- `createSpreadsheet`: Create a new spreadsheet
- `getSpreadsheet`: Get spreadsheet details
- `batchUpdate`: Apply multiple updates to a spreadsheet

### Sheet Management

- `copySheet`: Copy a sheet to another spreadsheet
- `addSheet`: Add a new sheet to a spreadsheet
- `deleteSheet`: Delete a sheet from a spreadsheet
- `updateSheetProperties`: Update sheet properties

### Values Management

- `getValues`: Get values from a range
- `updateValues`: Update values in a range
- `appendValues`: Append values to a range
- `clearValues`: Clear values from a range
- `batchGetValues`: Get values from multiple ranges
- `batchUpdateValues`: Update values in multiple ranges

### Developer Metadata

- `getDeveloperMetadata`: Get all developer metadata
- `createDeveloperMetadata`: Create new developer metadata
- `updateDeveloperMetadata`: Update existing developer metadata
- `deleteDeveloperMetadata`: Delete developer metadata

## Available Resources

- `sheets://spreadsheet/{spreadsheetId}`: Get spreadsheet details
- `sheets://spreadsheet/{spreadsheetId}/sheet/{sheetName}`: Get sheet details
- `sheets://spreadsheet/{spreadsheetId}/values/{range}`: Get values from a range
- `sheets://spreadsheet/{spreadsheetId}/metadata`: Get all developer metadata

## Authentication

This server uses OAuth 2.0 for authentication with the Google Sheets API. You need to provide the following credentials in the `.env` file:

- `CLIENT_ID`: Your Google API client ID
- `CLIENT_SECRET`: Your Google API client secret
- `REDIRECT_URI`: The redirect URI configured in your Google API project
- `REFRESH_TOKEN`: A refresh token obtained through the OAuth 2.0 flow

## License

MIT