get-metric-statistics

WHAT IT DOES

What get-metric-statistics does on Amazon ElastiCache Memcached MCP Server

AI agents call get-metric-statistics to retrieve information from Amazon ElastiCache Memcached MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why get-metric-statistics needs a policy

This tool retrieves monitoring statistics and metrics—a non-destructive, informational operation. It has no side effects and does not modify, delete, or execute operations. The blast radius of misuse is limited to information disclosure about system performance metrics.

From the tool's definition Tool name 'get-metric-statistics' indicates retrieval of metric data from CloudWatch. The '-statistics' suffix strongly suggests querying aggregated metrics rather than modifying or executing operations.

Attacks that exploit this kind of access

Questions about get-metric-statistics

What does the get-metric-statistics tool do? +

get-metric-statistics. It is categorised as a Read tool in the Amazon ElastiCache Memcached MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get-metric-statistics? +

Register the Amazon ElastiCache Memcached MCP Server MCP server in PolicyLayer and add a rule for get-metric-statistics: 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 Amazon ElastiCache Memcached MCP Server. Nothing to install.

What risk level is get-metric-statistics? +

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

Can I rate-limit get-metric-statistics? +

Yes. Add a rate_limit block to the get-metric-statistics 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-metric-statistics completely? +

Set action: deny in the PolicyLayer policy for get-metric-statistics. 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-metric-statistics? +

get-metric-statistics is provided by the Amazon ElastiCache Memcached MCP Server MCP server (awslabs.memcached-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.