cache_set_multi

Set multiple values in the cache (alias for set_many). Args: mapping: Dictionary of key-value pairs expire: Optional expiration time in seconds Returns: Success message or error message

SERVERAWS SOURCE@awslabs/mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity verified Pull the record →

This record as markdown: /tools/aws/cache-set-multi.md

WHAT IT DOES

What cache_set_multi does on AWS

AI agents use cache_set_multi to create or update resources in AWS, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your AWS environment.

RISK

Why cache_set_multi is rated Medium

This tool creates or modifies cached data in a reversible manner (cache entries can be updated, overwritten, or expire naturally). It performs no destructive deletions, financial transactions, or code execution. The 'Write' category applies because it stores/modifies data.

From the tool's definition Tool description states 'Set multiple values in the cache' with parameters for key-value mapping and expiration, indicating creation/modification of cached data. The return type is a 'Success message or error message' confirming a write operation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs cache_set_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_set_multi, this is the rule to start with:

cache_set_multi Rate-limited

cache_set_multi stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "cache_set_multi": {
      "limits": [
        {
          "counter": "cache_set_multi_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect AWS, apply this rule, and every cache_set_multi call is checked against it from then on.

FAQ

Questions about cache_set_multi

What does the cache_set_multi tool do? +

Set multiple values in the cache (alias for set_many). Args: mapping: Dictionary of key-value pairs expire: Optional expiration time in seconds Returns: Success message or error message. It is categorised as a Write tool in the AWS MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on cache_set_multi? +

Register the AWS MCP server in PolicyLayer and add a rule for cache_set_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.

What risk level is cache_set_multi? +

cache_set_multi is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit cache_set_multi? +

Yes. Add a rate_limit block to the cache_set_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.

How do I block cache_set_multi completely? +

Set action: deny in the PolicyLayer policy for cache_set_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.

What MCP server provides cache_set_multi? +

cache_set_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.

KEEP EXPLORING

More on AWS, and thousands of servers like it.

This server

All 300 AWS tools →

Across the catalogue

emit_assumption_set on 0sec →set-prioity on Kanban MCP Server →team_manager_set_sources on Team Manager MCP → The MCP Attack Database →

Guides

Govern customer-ops agents →Argument validation →Scoped token →