describe-cache-engine-versions

WHAT IT DOES

What describe-cache-engine-versions does on Amazon ElastiCache Memcached MCP Server

AI agents call describe-cache-engine-versions 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 describe-cache-engine-versions needs a policy

This tool retrieves information about ElastiCache Memcached engine versions available in AWS. It queries configuration metadata with no side effects. The absence of a description lowers confidence slightly, but the naming pattern and API context strongly indicate a read-only retrieval operation. Lowest severity given it only accesses non-sensitive version information.

From the tool's definition Tool name 'describe-cache-engine-versions' follows AWS API naming convention for read-only operations that retrieve metadata about available cache engine versions.

Attacks that exploit this kind of access

Questions about describe-cache-engine-versions

What does the describe-cache-engine-versions tool do? +

describe-cache-engine-versions. 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 describe-cache-engine-versions? +

Register the Amazon ElastiCache Memcached MCP Server MCP server in PolicyLayer and add a rule for describe-cache-engine-versions: 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 describe-cache-engine-versions? +

describe-cache-engine-versions is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit describe-cache-engine-versions? +

Yes. Add a rate_limit block to the describe-cache-engine-versions 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 describe-cache-engine-versions completely? +

Set action: deny in the PolicyLayer policy for describe-cache-engine-versions. 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 describe-cache-engine-versions? +

describe-cache-engine-versions 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.