get_performance_metrics
AI agents call get_performance_metrics to retrieve information from Inkscape without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Performance metrics retrieval is a read-only operation that queries system or application state without side effects. No data is created, modified, deleted, or executed. The tool fits the 'Read' category for queries and retrieval. Low severity because metrics access poses minimal risk even if misused by an AI agent—it cannot damage files, execute arbitrary code, or cause financial harm.
From the tool's definition Tool name 'get_performance_metrics' indicates retrieval of metrics data with no mutation of state. The empty description reduces confidence slightly, but the naming pattern aligns with query/retrieval operations typical in this Inkscape control server.
Documented attack patterns abuse exactly the kind of access get_performance_metrics gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Inkscape, and nothing reaches the server without passing your rules. This is the rule we recommend for get_performance_metrics:
{
"version": "1",
"default": "deny",
"tools": {
"get_performance_metrics": {}
}
}get_performance_metrics is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get_performance_metrics. It is categorised as a Read tool in the Inkscape MCP Server, which means it retrieves data without modifying state.
Register the Inkscape MCP server in PolicyLayer and add a rule for get_performance_metrics: 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 Inkscape. Nothing to install.
get_performance_metrics 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 get_performance_metrics 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 get_performance_metrics. 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.
get_performance_metrics is provided by the Inkscape MCP server (sandraschi/inkscape-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Inkscape, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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