AI agents call memory_stats to retrieve information from Novyx without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves statistical information about memory usage without modifying, executing operations on, or deleting any data. It is a simple data retrieval operation comparable to fetching account metadata. The blast radius of misuse is minimal—an agent could at most learn resource consumption patterns. No destructive, financial, write, or code execution capabilities are present.
From the tool's definition Tool name 'memory_stats' and description 'Get memory statistics for the current account' indicate a retrieval operation with no side effects. The verb 'get' and 'statistics' characterize this as a read-only query of account-level metrics.
Documented attack patterns abuse exactly the kind of access memory_stats gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Novyx, and nothing reaches the server without passing your rules. This is the rule we recommend for memory_stats:
{
"version": "1",
"default": "deny",
"tools": {
"memory_stats": {}
}
}memory_stats is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get memory statistics for the current account. It is categorised as a Read tool in the Novyx MCP Server, which means it retrieves data without modifying state.
Register the Novyx MCP server in PolicyLayer and add a rule for memory_stats: 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 Novyx. Nothing to install.
memory_stats 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 memory_stats 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 memory_stats. 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.
memory_stats is provided by the Novyx MCP server (novyxlabs/novyx-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 120 Novyx tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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120 Novyx tools catalogued and risk-classified — across an index of 42,500+ MCP servers.