AI agents use create_api_cache to create or update resources in Awslabs Amazon Sns Sqs — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Awslabs Amazon Sns Sqs environment.
The 'create_' prefix establishes this as a Write operation—it creates a new resource (API cache) rather than reading, executing arbitrary code, deleting, or moving money. API cache creation is reversible (can be deleted) and modifiable, fitting the Write category. Severity is medium because misconfiguration could affect service availability or expose cached data, but the blast radius is limited to cache management.
From the tool's definition Tool name 'create_api_cache' indicates creation of a caching resource. The empty description limits certainty, but 'create' is a Write operation verb that creates or modifies data reversibly.
Documented attack patterns abuse exactly the kind of access create_api_cache gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Awslabs Amazon Sns Sqs, and nothing reaches the server without passing your rules. This is the rule we recommend for create_api_cache:
{
"version": "1",
"default": "deny",
"tools": {
"create_api_cache": {
"limits": [
{
"counter": "create_api_cache_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}create_api_cache 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.
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create_api_cache. It is categorised as a Write tool in the Awslabs Amazon Sns Sqs MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Awslabs Amazon Sns Sqs MCP server in PolicyLayer and add a rule for create_api_cache: 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 Awslabs Amazon Sns Sqs. Nothing to install.
create_api_cache is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the create_api_cache 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 create_api_cache. 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.
create_api_cache is provided by the Awslabs Amazon Sns Sqs MCP server (awslabs.amazon-sns-sqs-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Awslabs Amazon Sns Sqs, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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