List all custom dimensions for a specific Google Analytics 4 property.
AI agents call ga4_admin_api_list_custom_dimensions to retrieve information from Google Analytics 4 Admin MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns a list of custom dimensions from a GA4 property. It performs a read-only operation with no destructive, write, execute, or financial implications. The data retrieved may be sensitive (custom dimension configurations), but the low blast radius of listing configuration items without the ability to modify or delete them classifies this as a low-severity Read operation.
From the tool's definition Tool name contains 'list' and description states 'List all custom dimensions' - retrieves data without modification or side effects.
Attacks that exploit this kind of access
List all custom dimensions for a specific Google Analytics 4 property. It is categorised as a Read tool in the Google Analytics 4 Admin MCP MCP Server, which means it retrieves data without modifying state.
Register the Google Analytics 4 Admin MCP server in PolicyLayer and add a rule for ga4_admin_api_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 4 Admin MCP. Nothing to install.
ga4_admin_api_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 ga4_admin_api_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 ga4_admin_api_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.
ga4_admin_api_list_custom_dimensions is provided by the Google Analytics 4 Admin MCP server (jmchat/mcp-ga4-admin-ts). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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