DescribeDLPFileTypeLibrary

[dlp] 查询支持文件类型词库信息

SERVERIoacloud SOURCE@ioacloud/ioacloud-mcp

Low RISK CLASS

Category Read

Parameters 20 required

Recommended Allowedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/ioacloud-ioacloud-mcp/describedlpfiletypelibrary.md

WHAT IT DOES

What DescribeDLPFileTypeLibrary does on Ioacloud

AI agents call DescribeDLPFileTypeLibrary to retrieve information from Ioacloud without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Parameter	Type	Required	Description
`OsType`	number	—	系统类型
`DomainInstanceId`	string	—	管理域实例ID，用于CAM管理域权限分配

Parameters from the server's own tool schema.

RISK

Why DescribeDLPFileTypeLibrary is rated Low

Even though DescribeDLPFileTypeLibrary only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs DescribeDLPFileTypeLibrary safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Ioacloud, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For DescribeDLPFileTypeLibrary, this is the rule to start with:

DescribeDLPFileTypeLibrary Allowed

DescribeDLPFileTypeLibrary is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "DescribeDLPFileTypeLibrary": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Ioacloud, apply this rule, and every DescribeDLPFileTypeLibrary call is checked against it from then on.

FAQ

Questions about DescribeDLPFileTypeLibrary

What does the DescribeDLPFileTypeLibrary tool do? +

[dlp] 查询支持文件类型词库信息. It is categorised as a Read tool in the Ioacloud MCP Server, which means it retrieves data without modifying state.

What parameters does DescribeDLPFileTypeLibrary accept? +

DescribeDLPFileTypeLibrary accepts 2 parameters: OsType, DomainInstanceId. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on DescribeDLPFileTypeLibrary? +

Register the Ioacloud MCP server in PolicyLayer and add a rule for DescribeDLPFileTypeLibrary: 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 Ioacloud. Nothing to install.

What risk level is DescribeDLPFileTypeLibrary? +

DescribeDLPFileTypeLibrary is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit DescribeDLPFileTypeLibrary? +

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

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

DescribeDLPFileTypeLibrary is provided by the Ioacloud MCP server (@ioacloud/ioacloud-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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