run_ecs_command · Alibaba Cloud Operations MCP Server MCP

WHAT IT DOES

What run_ecs_command does on Alibaba Cloud Operations MCP Server

AI agents invoke run_ecs_command to trigger actions in Alibaba Cloud Operations MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why run_ecs_command needs a policy

This tool executes code/commands on ECS (Elastic Compute Service) instances, which is a core Execute category action. The blast radius is high because commands run on production infrastructure can cause availability issues, data access, or lateral movement.

From the tool's definition Tool name 'run_ecs_command' and description '在ECS实例上运行命令' (run command on ECS instance) directly indicate execution of arbitrary commands on cloud compute instances.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

run_ecs_command Rate-limited

run_ecs_command stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "run_ecs_command": {
      "limits": [
        {
          "counter": "run_ecs_command_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Alibaba Cloud Operations MCP Server, so you can run agents against it safely.

FAQ

Questions about run_ecs_command

What does the run_ecs_command tool do? +

在ECS实例上运行命令. It is categorised as a Execute tool in the Alibaba Cloud Operations MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on run_ecs_command? +

Register the Alibaba Cloud Operations MCP Server MCP server in PolicyLayer and add a rule for run_ecs_command: 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.

What risk level is run_ecs_command? +

run_ecs_command is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit run_ecs_command? +

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

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

run_ecs_command 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.