UpdateTableBusinessMetadata · Alibabacloud Dataworks MCP

WHAT IT DOES

What UpdateTableBusinessMetadata does on Alibabacloud Dataworks

AI agents use UpdateTableBusinessMetadata to create or update resources in Alibabacloud Dataworks — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Alibabacloud Dataworks environment.

PARAMETERS

Parameter	Type	Required	Description
`Id`	string	Yes	数据表ID，可参考[元数据实体相关概念说明](~~2880092~~)。格式为`${EntityType}:${实例ID或转义后的URL}:${数据目录名称}:${数据库名称}:${模式名称}:${数据表名称}`，对于不存在的层级置空>对于MaxCompute和DLF类型，此处的实例ID即为主账号ID。>对于MaxCo
`Readme`	string	—	使用说明，支持富文本格式

Parameters from the server's own tool schema.

WHY IT NEEDS A POLICY

Why UpdateTableBusinessMetadata needs a policy

An AI agent can call UpdateTableBusinessMetadata faster than any human can review — one bad instruction and it creates or modifies resources in Alibabacloud Dataworks by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

UpdateTableBusinessMetadata Rate-limited

UpdateTableBusinessMetadata stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "UpdateTableBusinessMetadata": {
      "limits": [
        {
          "counter": "updatetablebusinessmetadata_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Alibabacloud Dataworks, so you can run agents against it safely.

FAQ

Questions about UpdateTableBusinessMetadata

What does the UpdateTableBusinessMetadata tool do? +

更新数据地图数据表的业务元数据. It is categorised as a Write tool in the Alibabacloud Dataworks MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does UpdateTableBusinessMetadata accept? +

UpdateTableBusinessMetadata accepts 2 parameters: Id, Readme. Required: Id. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on UpdateTableBusinessMetadata? +

Register the Alibabacloud Dataworks MCP server in PolicyLayer and add a rule for UpdateTableBusinessMetadata: 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.

What risk level is UpdateTableBusinessMetadata? +

UpdateTableBusinessMetadata is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit UpdateTableBusinessMetadata? +

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

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

UpdateTableBusinessMetadata 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.