get_memory_stats

THE RISK

Low Risk

Why get_memory_stats needs a policy

This tool retrieves monitoring and diagnostic information about memory usage and ML model performance. It has no side effects, creates no data, executes no code, and performs no destructive operations. It is a straightforward read operation querying system statistics.

From the tool's definition Tool name is 'get_memory_stats' and description states it 'Get memory usage and ML model statistics' — purely retrieves/queries usage data and statistics without modifying, deleting, or executing operations.

Documented attack patterns abuse exactly the kind of access get_memory_stats gives an agent:

POLICY

How to control get_memory_stats

PolicyLayer is an MCP gateway — it sits between your AI agents and SAM, and nothing reaches the server without passing your rules. This is the rule we recommend for get_memory_stats:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_memory_stats": {}
  }
}

get_memory_stats is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register SAM — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get_memory_stats

What does the get_memory_stats tool do? +

Get memory usage and ML model statistics. It is categorised as a Read tool in the SAM MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_memory_stats? +

Register the SAM MCP server in PolicyLayer and add a rule for get_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 SAM. Nothing to install.

What risk level is get_memory_stats? +

get_memory_stats is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_memory_stats? +

Yes. Add a rate_limit block to the get_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.

How do I block get_memory_stats completely? +

Set action: deny in the PolicyLayer policy for get_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.

What MCP server provides get_memory_stats? +

get_memory_stats is provided by the SAM MCP server (pigrieco/mcp-memory-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every SAM tool call.

Start from SAM, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →