AI agents use sorted_set_remove 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.
While 'remove' suggests deletion, this operation targets individual members from a sorted set within a messaging/data store context, not entire data stores or irreversible system operations. The action modifies but does not permanently destroy data at a catastrophic scale—members can be re-added. This makes it Write rather than Destructive.
From the tool's definition Tool name 'sorted_set_remove' and description 'Remove member(s) from sorted set' indicate modification of data structures by deleting members, though the operation is reversible (data can be re-added).
Documented attack patterns abuse exactly the kind of access sorted_set_remove 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 sorted_set_remove:
{
"version": "1",
"default": "deny",
"tools": {
"sorted_set_remove": {
"limits": [
{
"counter": "sorted_set_remove_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}sorted_set_remove 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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Remove member(s) from sorted set. 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 sorted_set_remove: 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.
sorted_set_remove 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 sorted_set_remove 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 sorted_set_remove. 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.
sorted_set_remove 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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