AI agents call decorator as a supporting operation in Alibaba Cloud RDS OpenAPI MCP Server workflows.
The description is empty and the name 'decorator' is ambiguous — it does not clearly map to any specific operation (read, write, execute, destructive, financial). Without further information, this cannot be confidently classified beyond 'Other'. Confidence is very low due to the lack of evidence.
From the tool's definition Tool name is 'decorator' with an empty description. The name alone provides no meaningful indication of what the tool does.
Documented attack patterns abuse exactly the kind of access decorator 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 decorator:
{
"version": "1",
"default": "deny",
"tools": {
"decorator": {
"limits": [
{
"counter": "decorator_rate",
"window": "minute",
"max": 60,
"scope": "grant"
}
]
}
}
}decorator gets a rate cap, and everything else on the server is denied unless you say otherwise.
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decorator. It is categorised as a Other tool in the Alibaba Cloud RDS OpenAPI MCP Server MCP Server, which means it performs auxiliary operations.
Register the Alibaba Cloud RDS OpenAPI MCP Server MCP server in PolicyLayer and add a rule for decorator: 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.
decorator is a Other tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the decorator 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 decorator. 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.
decorator 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.
Free to start. No card required.
37 Alibaba Cloud RDS OpenAPI MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.