获取数据开发函数列表
AI agents call ListFunctions to retrieve information from Alibabacloud Dataworks without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
Type | string | — | 筛选条件：函数类型可选值：- Math： 数学运算函数- Aggregate： 聚合函数- String：字符串处理函数- Date：日期函数- Analytic：窗口函数- Other： 其他函数 |
Owner | string | — | 筛选条件：udf函数的负责人ID |
PageSize | number | — | 每页显示的数据条数，默认为10条，最大为100条 |
ProjectId | number | Yes | DataWorks工作空间的ID |
PageNumber | number | — | 分页的页数。默认值为1，最小值为1 |
Parameters from the server's own tool schema.
Even though ListFunctions 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
获取数据开发函数列表. It is categorised as a Read tool in the Alibabacloud Dataworks MCP Server, which means it retrieves data without modifying state.
ListFunctions accepts 5 parameters: Type, Owner, PageSize, ProjectId, PageNumber. Required: ProjectId. The full parameter table on this page comes from the server's own tool schema.
Register the Alibabacloud Dataworks MCP server in PolicyLayer and add a rule for ListFunctions: 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 Alibabacloud Dataworks. Nothing to install.
ListFunctions 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 ListFunctions 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 ListFunctions. 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.
ListFunctions is provided by the Alibabacloud Dataworks MCP server (alibabacloud-dataworks-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.