describe_db_instance_net_info
AI agents call describe_db_instance_net_info to retrieve information from Alibaba Cloud RDS OpenAPI MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The 'describe_' prefix is a standard convention for read-only retrieval operations in cloud APIs. Network information queries (host, port, endpoint details) are informational with no side effects. Despite the missing description, the tool name and pattern on an RDS management server indicate it retrieves existing configuration data rather than modifying, executing, or deleting resources.
From the tool's definition Tool name 'describe_db_instance_net_info' contains 'describe', which is a read-only operation pattern. It retrieves network information about database instances without modifying state.
Documented attack patterns abuse exactly the kind of access describe_db_instance_net_info gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Alibaba Cloud RDS OpenAPI MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for describe_db_instance_net_info:
{
"version": "1",
"default": "deny",
"tools": {
"describe_db_instance_net_info": {}
}
}describe_db_instance_net_info is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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describe_db_instance_net_info. It is categorised as a Read tool in the Alibaba Cloud RDS OpenAPI MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Alibaba Cloud RDS OpenAPI MCP Server MCP server in PolicyLayer and add a rule for describe_db_instance_net_info: 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 RDS OpenAPI MCP Server. Nothing to install.
describe_db_instance_net_info 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_db_instance_net_info 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_db_instance_net_info. 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_db_instance_net_info is provided by the Alibaba Cloud RDS OpenAPI MCP Server MCP server (aliyun/alibabacloud-rds-openapi-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 37 Alibaba Cloud RDS OpenAPI MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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37 Alibaba Cloud RDS OpenAPI MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.