sorted_set_range_by_score

THE RISK

Low Risk

Why sorted_set_range_by_score needs a policy

The tool description is empty and uninformative, making confident classification impossible. The name 'sorted_set_range_by_score' suggests a read/query operation on a sorted data structure (similar to Redis ZRANGEBYSCORE), which would typically be a Read category. However, without a description and given the mismatch with the server's stated purpose (AWS ECS containerization), confidence is very low.

From the tool's definition Tool name is 'sorted_set_range_by_score' and description is empty. The name suggests a Redis-style sorted set range query operation, which would be a Read operation, but it seems out of place on an AWS ECS MCP server focused on containerization and deployment.

Documented attack patterns abuse exactly the kind of access sorted_set_range_by_score gives an agent:

POLICY

How to control sorted_set_range_by_score

PolicyLayer is an MCP gateway — it sits between your AI agents and Amazon ECS MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for sorted_set_range_by_score:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "sorted_set_range_by_score": {
      "limits": [
        {
          "counter": "sorted_set_range_by_score_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

sorted_set_range_by_score gets a rate cap, and everything else on the server is denied unless you say otherwise.

Create a free account and register Amazon ECS MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

SET A RULE FOR THIS TOOL →

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EXPLORE

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Go deeper

Roll out MCP under one policy → Per-person scoped tokens, one central policy, and full audit across every server your team connects.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Tool risk categories → How PolicyLayer classifies MCP tools by what they can do.
MCP tool → What an MCP tool is and how clients discover and call it.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →
PolicyLayer vs alternatives → How deterministic, per-call MCP policy compares with gateways, identity layers, and authorisation platforms.

FAQ

Questions about sorted_set_range_by_score

What does the sorted_set_range_by_score tool do? +

sorted_set_range_by_score. It is categorised as a Other tool in the Amazon ECS MCP Server MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on sorted_set_range_by_score? +

Register the Amazon ECS MCP Server MCP server in PolicyLayer and add a rule for sorted_set_range_by_score: 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 ECS MCP Server. Nothing to install.

What risk level is sorted_set_range_by_score? +

sorted_set_range_by_score is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit sorted_set_range_by_score? +

Yes. Add a rate_limit block to the sorted_set_range_by_score 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 sorted_set_range_by_score completely? +

Set action: deny in the PolicyLayer policy for sorted_set_range_by_score. 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 sorted_set_range_by_score? +

sorted_set_range_by_score is provided by the Amazon ECS MCP Server MCP server (awslabs.ecs-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Amazon ECS MCP Server tool call.

Start from Amazon ECS MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →