list_custom_dimensions
AI agents call list_custom_dimensions to retrieve information from Google Analytics MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool lists custom dimensions within Google Analytics 4. Listing/retrieving analytics metadata is a read operation with no side effects. Even if an AI agent calls this tool, the worst outcome is retrieving information that describes the analytics setup—no data is created, modified, deleted, or financial obligations incurred.
From the tool's definition Tool name is 'list_custom_dimensions' which performs a list/query operation. Server description states it 'provides tools for historical reporting' and 'access metrics like traffic summaries, user acquisition, and custom dimensions.' All sibling tools…
Attacks that exploit this kind of access
list_custom_dimensions. It is categorised as a Read tool in the Google Analytics MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Google Analytics MCP Server MCP server in PolicyLayer and add a rule for list_custom_dimensions: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Google Analytics MCP Server. Nothing to install.
list_custom_dimensions is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list_custom_dimensions rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for list_custom_dimensions. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
list_custom_dimensions is provided by the Google Analytics MCP Server MCP server (reklis/google-analytics-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
list_custom_dimensions is one line of Google Analytics MCP Server's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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