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GA4 enforces strict rules about which dimensions and metrics can appear in the same request. Incompatible combinations return a 400 error: "The request's dimensions & metrics are incompatible."
기본적으로 소스를 먼저 확인하는 Prompt가 선택됩니다. 직접 명령으로 전환하거나 로컬 사본을 다운로드할 수도 있습니다.
설치 여부를 결정하기 전에 SKILL.md와 SkillsMP에 표시된 보조 파일을 읽어 보세요.
Codex 또는 Claude로 설치 이 Prompt를 복사해 Codex, Claude 또는 다른 어시스턴트에 붙여 넣으면 Skill 페이지를 검토하고 설치를 진행할 수 있습니다.
직접 명령은 검토 Prompt를 거치지 않습니다. 실행하기 전에 소스를 확인하세요.
npx skills add https://github.com/surendranb/google-analytics-mcp --skill compatible-combinations명령은 한 줄로 유지됩니다. 복사하기 전에 가로로 스크롤해 전체 내용을 확인하세요.
로컬 사본을 원하시나요? SkillsMP에서 현재 제공할 수 있는 파일을 다운로드하세요.
SKILL.md 표시 중
| name | compatible-combinations |
| description | GA4 enforces strict rules about which dimensions and metrics can appear in the same request. Incompatible combinations return a 400 error: "The request's dimensions & metrics are incompatible." |
GA4 enforces strict rules about which dimensions and metrics can appear in the same request. Incompatible combinations return a 400 error: "The request's dimensions & metrics are incompatible."
GA4 data is scoped at three levels: event, session, and user. Mixing dimensions and metrics from incompatible scopes causes errors.
| Scope | Example dimensions | Example metrics |
|---|---|---|
| Event | eventName, customEvent:* | eventCount |
| Session | sessionDefaultChannelGroup, sessionSource, sessionCampaignName | sessions, bounceRate, sessionKeyEventRate |
| User | firstUserDefaultChannelGroup, firstUserSource | totalUsers, newUsers |
| Dimension | Incompatible metric | Use instead |
|---|---|---|
sessionSource / sessionMedium / sessionCampaignName | eventCount | sessions |
eventName | sessions | eventCount |
promotionId / promotionName | most session/user metrics | only pair with promotionViews, promotionClicks |
itemId / itemName | sessions, totalUsers | itemsViewed, addToCarts, ecommercePurchases |
firstUserSource / firstUserMedium | sessions | totalUsers, newUsers |
The GA4 error message names the exact field to remove:
"Please remove eventCount to make the request compatible for example."
Read the message literally — remove that field and replace it with a scope-compatible equivalent.
date + any metricdeviceCategory + any metriccountry / city + any metricpagePath / pageTitle + screenPageViews, totalUsers, sessionssessionDefaultChannelGroup + sessions, totalUsers, bounceRateEcommerce metrics (ecommercePurchases, purchaseRevenue, addToCarts,
itemsViewed) are event-scoped. Pair them with event-scoped or
date/deviceCategory/geo dimensions — not with session campaign dimensions.
The correct GA4 Data API names for fields models most often get wrong. Use these before calling `get_ga4_data` — wrong names return a hard error.
The correct shape for `dimension_filter` in `get_ga4_data`. Wrong structure returns an "Invalid dimension_filter" error. Use these templates.
Measure traffic arriving from AI tools — ChatGPT, Claude, Perplexity, Gemini, Copilot, and others — and understand how it behaves compared to other channels.
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