surendranb

Compatible Combinations — Development skill for Claude Code

Development community

Compatible Dimension and Metric Combinations.

How to install Compatible Combinations

Installs to ~/.claude/skills/surendranb-google-analytics-mcp-compatible-combinations/SKILL.md

Terminal

mkdir -p ~/.claude/skills/surendranb-google-analytics-mcp-compatible-combinations && curl -fsSL https://raw.githubusercontent.com/surendranb/google-analytics-mcp/HEAD/skills/compatible-combinations.md -o ~/.claude/skills/surendranb-google-analytics-mcp-compatible-combinations/SKILL.md

Restart Claude Code, or start a new session, for it to be picked up.

What Compatible Combinations does

Compatible Dimension and Metric Combinations

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."

The core rule

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`, `customE

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