Google Analytics Data API MCP Server

A Model Context Protocol (MCP) server for interacting with the Google Analytics Data API v1. This server provides tools and resources for querying Google Analytics data, managing audiences, and accessing metadata.

## Features

- Run standard and pivot reports
- Batch reporting capabilities
- Access metadata about dimensions and metrics
- Create, list, update, and delete audiences
- Check compatibility between dimensions and metrics
- Comprehensive resource endpoints for exploring GA data

## Prerequisites

- Node.js 14 or higher
- Google Analytics 4 property
- Google Cloud service account with appropriate permissions

## Setup

1. Clone this repository
2. Install dependencies:
   ```
   npm install
   ```
3. Create a `.env` file based on `.env.example` with your Google Analytics credentials:
   ```
   GOOGLE_CLIENT_EMAIL=your-service-account-email@project-id.iam.gserviceaccount.com
   GOOGLE_PRIVATE_KEY=your-private-key
   DEFAULT_PROPERTY_ID=properties/123456789
   ```

## Usage

### Running the Server

```
npm start
```

### Testing with MCP Inspector

```
npm run inspect
```

## Available Tools

- **runReport**: Run a standard report on Google Analytics data
- **batchRunReports**: Run multiple reports in a single batch
- **runPivotReport**: Run a pivot report on Google Analytics data
- **batchRunPivotReports**: Run multiple pivot reports in a batch
- **getMetadata**: Get metadata about dimensions and metrics
- **checkCompatibility**: Check compatibility between dimensions and metrics
- **createAudience**: Create a new audience
- **listAudiences**: List audiences in a property
- **getAudience**: Get details of a specific audience
- **deleteAudience**: Delete an audience
- **updateAudience**: Update an existing audience

## Available Resources

- **ga://property/{propertyId}**: Get property information
- **ga://report/{propertyId}/{reportType}/{dimensions}/{metrics}/{startDate}/{endDate}**: Generate reports
- **ga://metadata**: Get API metadata
- **ga://dimensions**: Browse dimensions by category
- **ga://dimensions/{category}**: Get dimensions in a specific category
- **ga://metrics**: Browse metrics by category
- **ga://metrics/{category}**: Get metrics in a specific category
- **ga://audiences/{propertyId}**: List audiences in a property
- **ga://audiences/{propertyId}/{audienceId}**: Get details of a specific audience

## Example Queries

### Running a Basic Report

```javascript
{
  "propertyId": "properties/123456789",
  "dateRanges": [
    {
      "startDate": "7daysAgo",
      "endDate": "yesterday"
    }
  ],
  "dimensions": [
    {
      "name": "country"
    },
    {
      "name": "deviceCategory"
    }
  ],
  "metrics": [
    {
      "name": "activeUsers"
    },
    {
      "name": "sessions"
    }
  ]
}
```

### Creating an Audience

```javascript
{
  "propertyId": "properties/123456789",
  "displayName": "High Value Users",
  "description": "Users who have completed a purchase",
  "membershipDurationDays": 30,
  "filterClauses": [
    {
      "filterExpression": {
        "andGroup": {
          "expressions": [
            {
              "filter": {
                "fieldName": "eventName",
                "stringFilter": {
                  "value": "purchase",
                  "matchType": "EXACT"
                }
              }
            }
          ]
        }
      }
    }
  ]
}
```

## License

MIT