Individual skill
ga4-report-forensics
Investigate conflicting GA4 report numbers using request and response receipts. Compare windows, identities, filters and row coverage; distinguish sampling, thresholding and high-cardinality loss. Use when GA4 API and UI reports disagree or exported rows are missing. Trigger with "GA4 user counts differ", "missing GA4 rows" or "is this report sampled?".
skills/.curated/ga4-report-forensics/SKILL.md
Source commit 0500b275e963c027f6b410e8c49c0446945c574e
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- Last checked
- Nov 12, 2026
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- Repository stars (not skill ratings)
- 2,916
- Repository last updated
- Nov 12, 2026
- License
- MIT
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- ai Repository topic
- automation Repository topic
- claude-code Repository topic
- devops Repository topic
- mcp Repository topic
- ai-agents Repository topic
- anthropic Repository topic
- claude-code-plugins Repository topic
- developer-tools Repository topic
- llm Repository topic
- ga4 Declared skill tag
- analytics Declared skill tag
- reporting Declared skill tag
- forensics Declared skill tag
- data-quality Declared skill tag
- data Derived category
- design Derived category
- design-interface Derived category
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SKILL.mdcore · 8,621 bytesSKILL.mdcore · 8,621 bytesSKILL.mdcore · 8,621 bytesSKILL.mdcore · 8,621 bytesSKILL.mdcore · 8,621 byteseval-spec.yamlasset · 1,951 bytesreferences/access-diagnostics.mddoc · 3,082 bytesreferences/collection-guide.mddoc · 3,469 bytesreferences/investigation-guide.mddoc · 3,831 bytesreferences/receipt-contract.mddoc · 4,726 bytesreferences/report-definitions.mddoc · 4,057 bytesscripts/analyze.pyruns · 14,243 bytesscripts/collect.pyruns · 7,884 bytes
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# GA4 Report Forensics
## Overview
Explain what two GA4 report receipts establish, why they may differ and which
next check would distinguish competing explanations. Produce a finding ledger
and reproducible row-level comparison. A valid request or matching total alone
does not prove correct collection.
This skill analyzes report evidence and can collect a bounded report using
existing approved access. It does not configure tracking, change a property or
create credentials. For a portfolio-wide
business narrative, use `web-analytics`; this workflow diagnoses the underlying
report evidence instead.