cache_get_multi
Get multiple values from the cache (alias for get_many). Args: keys: List of keys to retrieve Returns: Dictionary of key-value pairs or error message
This record as markdown: /tools/aws/cache-get-multi.md
What cache_get_multi does on AWS
AI agents call cache_get_multi to retrieve information from AWS without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why cache_get_multi is rated Low
This is a straightforward cache retrieval operation. It queries data without creating, modifying, deleting, or executing code. The blast radius of misuse is minimal—an agent retrieving cached values cannot alter system state or cause harm beyond potential information disclosure, which is low severity.
From the tool's definition Tool name and description indicate retrieval only: 'Get multiple values from the cache' with no modification or side effects. Args are keys to retrieve; Returns are key-value pairs. The phrase 'alias for get_many' reinforces read-only semantics.
Attacks that exploit this kind of access
The rule that runs cache_get_multi safely
PolicyLayer is an MCP gateway: it sits between your AI agents and AWS, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For cache_get_multi, this is the rule to start with:
cache_get_multi is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect AWS, apply this rule, and every cache_get_multi call is checked against it from then on.
Questions about cache_get_multi
Get multiple values from the cache (alias for get_many). Args: keys: List of keys to retrieve Returns: Dictionary of key-value pairs or error message. It is categorised as a Read tool in the AWS MCP Server, which means it retrieves data without modifying state.
Register the AWS MCP server in PolicyLayer and add a rule for cache_get_multi: 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 AWS. Nothing to install.
cache_get_multi 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 cache_get_multi 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 cache_get_multi. 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.
cache_get_multi is provided by the AWS MCP server (@awslabs/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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