查询ECS可用区列表
AI agents call describe_ecs_zones to retrieve information from Alibaba Cloud Operations MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata about ECS availability zones without creating, modifying, or deleting any resources. It is a straightforward informational query with no side effects, fitting the Read category. The low severity reflects minimal blast radius—zone information is non-sensitive infrastructure metadata.
From the tool's definition Tool name 'describe_ecs_zones' and description '查询ECS可用区列表' (query ECS availability zones list) indicate a data retrieval operation.
Attacks that exploit this kind of access
查询ECS可用区列表. It is categorised as a Read tool in the Alibaba Cloud Operations MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Alibaba Cloud Operations MCP Server MCP server in PolicyLayer and add a rule for describe_ecs_zones: 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 Alibaba Cloud Operations MCP Server. Nothing to install.
describe_ecs_zones 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 describe_ecs_zones 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 describe_ecs_zones. 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.
describe_ecs_zones is provided by the Alibaba Cloud Operations MCP Server MCP server (radiumgu/alicloud-ops-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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