DescribeVirtualDevices
[device] 展示自定义分组终端列表，私有化调用path为：/capi/Assets/DescribeVirtualDevices 前置：DescribeDeviceVirtualGroups 拿 DeviceVirtualGroupId(0=全部自定义分组)。
This record as markdown: /tools/ioacloud-ioacloud-mcp/describevirtualdevices.md
What DescribeVirtualDevices does on Ioacloud
AI agents call DescribeVirtualDevices 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（0: win，1：linux，2: mac，4：android，5：ios，-1：全系统（SaaS一体化版本） ； 不传默认为0）(只支持32位) |
Status | number | — | 选填，授权状态 4未授权 5已授权 |
NewScope | number | — | 新版范围组件 |
Condition | object | — | 过滤条件参数（字段含义请参考接口返回值）- Mid, 类型String，支持操作：【eq，like，ilike】，支持排序- Name, 类型String，支持操作：【eq，like，ilike】，支持排序- Itime, 类型String，支持操作：【eq，like，ilike】，支持排序- UserName, 类型 |
OnlineStatus | number | — | 选填，在线状态 （2表示在线，0或者1表示离线） |
ProfileField | number | — | 选填，信息登记结构id |
ProfileValue | string | — | 选填，信息登记结构数值 |
DomainInstanceId | string | — | 管理域实例ID，用于CAM管理域权限分配。若企业未进行管理域的划分，可直接传入根域"1"，此时表示针对当前企业的全部设备和账号进行接口CRUD，具体CRUD的影响范围限制于相应接口的入参。 |
VirtualGroupType | number | — | 选填，分组类型（ 1：内置分组；0：普通自定义分组（自动划分分组和手动分组））(只支持32位) |
DeviceVirtualGroupId | number | — | 终端自定义分组ID（0：获取租户全部自定义分组下的终端数据；其他值：获取具体ID分组下的终端数据） |
Parameters from the server's own tool schema.
Why DescribeVirtualDevices is rated Low
Even though DescribeVirtualDevices 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.
Risk signalsHigh parameter count (34 properties)
Attacks that exploit this kind of access
The rule that runs DescribeVirtualDevices 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 DescribeVirtualDevices, this is the rule to start with:
DescribeVirtualDevices is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Ioacloud, apply this rule, and every DescribeVirtualDevices call is checked against it from then on.
Questions about DescribeVirtualDevices
[device] 展示自定义分组终端列表，私有化调用path为：/capi/Assets/DescribeVirtualDevices 前置：DescribeDeviceVirtualGroups 拿 DeviceVirtualGroupId(0=全部自定义分组)。. It is categorised as a Read tool in the Ioacloud MCP Server, which means it retrieves data without modifying state.
DescribeVirtualDevices accepts 10 parameters: OsType, Status, NewScope, Condition, OnlineStatus, ProfileField, ProfileValue, DomainInstanceId, VirtualGroupType, DeviceVirtualGroupId. The full parameter table on this page comes from the server's own tool schema.
Register the Ioacloud MCP server in PolicyLayer and add a rule for DescribeVirtualDevices: 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.
DescribeVirtualDevices 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 DescribeVirtualDevices 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 DescribeVirtualDevices. 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.
DescribeVirtualDevices 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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