AI agents call list_sub_check_results to retrieve information from Amazon ECS MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
List operations retrieve and present data without modifying or deleting it. Despite the description being empty, the semantic structure of the tool name strongly indicates a read-only query operation. The low confidence penalty reflects the absence of descriptive documentation, but the naming convention is sufficiently clear to classify this as Read with medium-high confidence.
From the tool's definition Tool name 'list_sub_check_results' uses the verb 'list', which is a Read operation pattern. The name suggests querying or retrieving results from a checks or verification system, consistent with data retrieval without modification.
Documented attack patterns abuse exactly the kind of access list_sub_check_results gives an agent:
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 list_sub_check_results:
{
"version": "1",
"default": "deny",
"tools": {
"list_sub_check_results": {}
}
}list_sub_check_results is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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list_sub_check_results. It is categorised as a Read tool in the Amazon ECS MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Amazon ECS MCP Server MCP server in PolicyLayer and add a rule for list_sub_check_results: 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.
list_sub_check_results 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 list_sub_check_results 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 list_sub_check_results. 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.
list_sub_check_results 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.
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.
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805 Amazon ECS MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.