获取指定数据集的所有变量列表。\n\n
AI agents call get_dataset_variables to retrieve information from CDISC Library MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns information about dataset variables without creating, modifying, deleting, or executing any operations. It is a straightforward read operation that retrieves metadata about CDISC clinical data standards. No side effects or destructive actions are possible. The low severity reflects minimal risk even if misused by an AI agent, as it only exposes existing reference data.
From the tool's definition Tool name 'get_dataset_variables' and description indicating it retrieves/lists all variables for a specified dataset. The verb 'get' combined with 'list' functionality indicates data retrieval with no modification or execution capabilities.
Attacks that exploit this kind of access
获取指定数据集的所有变量列表。\n\n. It is categorised as a Read tool in the CDISC Library MCP Server MCP Server, which means it retrieves data without modifying state.
Register the CDISC Library MCP Server MCP server in PolicyLayer and add a rule for get_dataset_variables: 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 CDISC Library MCP Server. Nothing to install.
get_dataset_variables 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 get_dataset_variables 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 get_dataset_variables. 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.
get_dataset_variables is provided by the CDISC Library MCP Server MCP server (whereayan/cdisc-library-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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