Remove members from a group in ServiceNow
AI agents call remove_group_members to permanently remove resources in ServiceNow MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Removing group members alters access control by revoking group-based privileges from users. While not deleting data outright, it is a destructive operation on user-group relationships that can be difficult to audit and reverse, and misuse could deny users access to critical systems or workflows. The blast radius is high given it affects permissions across the ServiceNow instance.
From the tool's definition "Remove members from a group" — removing membership is an irreversible or hard-to-reverse access control change that strips users of group-based permissions and roles
Attacks that exploit this kind of access
Remove members from a group in ServiceNow. It is categorised as a Destructive tool in the ServiceNow MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the ServiceNow MCP Server MCP server in PolicyLayer and add a rule for remove_group_members: 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 ServiceNow MCP Server. Nothing to install.
remove_group_members is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the remove_group_members 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 remove_group_members. 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.
remove_group_members is provided by the ServiceNow MCP Server MCP server (shameerampcome/servicenow-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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