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Google Analytics 4

Read Google Analytics 4 reporting data through the GA4 Data API. Use for explicit GA4 property metadata, compatible metric/dimension reports, traffic analysis, key events, quotas, and bounded exports.

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GA4 - Google Analytics 4 Data API

Query GA4 properties for analytics data: page views, sessions, users, traffic sources, conversions, and more.

Setup (one-time)

Enable Google Analytics Data API: https://console.cloud.google.com/apis/library/analyticsdata.googleapis.com
Create OAuth credentials or use existing Google Cloud project
Set environment variables:
- GA4_PROPERTY_ID - Your GA4 property ID (numeric, e.g., "123456789")
- GOOGLE_CLIENT_ID - OAuth client ID
- GOOGLE_CLIENT_SECRET - OAuth client secret
- GOOGLE_REFRESH_TOKEN - OAuth refresh token (from initial auth flow)

Safety Boundaries

This skill only connects to Google Analytics Data API endpoints.
It does NOT write to or modify your GA4 property — read-only queries only.
It does NOT store or transmit credentials beyond the current session.
It requires OAuth credentials (client ID, secret, refresh token) set as environment variables.

Common Queries

Top Pages (by pageviews)

python3 scripts/ga4_query.py --metric screenPageViews --dimension pagePath --limit 30

Top Pages with Sessions & Users

python3 scripts/ga4_query.py --metrics screenPageViews,sessions,totalUsers --dimension pagePath --limit 20

Traffic Sources

python3 scripts/ga4_query.py --metric sessions --dimension sessionSource --limit 20

Landing Pages

python3 scripts/ga4_query.py --metric sessions --dimension landingPage --limit 30

Custom Date Range

python3 scripts/ga4_query.py --metric sessions --dimension pagePath --start 2026-01-01 --end 2026-01-15

Filter by Page Path

python3 scripts/ga4_query.py --metric screenPageViews --dimension pagePath --filter "pagePath=~/blog/"

Available Metrics

Common metrics: screenPageViews, sessions, totalUsers, newUsers, activeUsers, bounceRate, averageSessionDuration, conversions, eventCount

Available Dimensions

Common dimensions: pagePath, pageTitle, landingPage, sessionSource, sessionMedium, sessionCampaignName, country, city, deviceCategory, browser, date

Output Formats

Default: Table format Add --json for JSON output Add --csv for CSV output

Open GA4

Answers questions about your website traffic from Google Analytics 4: top pages, traffic sources, what changed last month, who is on the site now. Read-only; calls Google's Analytics API with your credential and returns the rows here. Ask "how many visitors last week" or "top pages".