AI agents call analytics_metrics_list to retrieve information from Piwik PRO MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool name strongly suggests it retrieves or queries metrics data without modifying or deleting anything. In the context of a Piwik PRO analytics server where sibling tools follow patterns like 'analytics_*_list', 'analytics_*_get', '_create', '_delete', and '_update', the 'list' suffix unambiguously indicates a read operation that returns data. No side effects are implied.
From the tool's definition Tool name 'analytics_metrics_list' indicates a listing/retrieval operation. The empty description limits certainty, but the naming pattern ('list' suffix) is consistent with read-only data retrieval operations common in analytics platforms.
Documented attack patterns abuse exactly the kind of access analytics_metrics_list gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Piwik PRO MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for analytics_metrics_list:
{
"version": "1",
"default": "deny",
"tools": {
"analytics_metrics_list": {}
}
}analytics_metrics_list is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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analytics_metrics_list. It is categorised as a Read tool in the Piwik PRO MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Piwik PRO MCP Server MCP server in PolicyLayer and add a rule for analytics_metrics_list: 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 Piwik PRO MCP Server. Nothing to install.
analytics_metrics_list 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 analytics_metrics_list 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 analytics_metrics_list. 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.
analytics_metrics_list is provided by the Piwik PRO MCP Server MCP server (piwikpro/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Piwik PRO MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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66 Piwik PRO MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.