Removes a member from a group
AI agents call remove_group_member to permanently remove resources in Smartsheet MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Removing a group member is a destructive, irreversible action (without a corresponding undo operation) that revokes access and membership. Misuse could result in unintended loss of access or permissions for users across shared resources. Severity is medium as it affects user access rather than data directly.
From the tool's definition 'Removes a member from a group' — the action is removal/deletion of a group membership relationship
Attacks that exploit this kind of access
Removes a member from a group. It is categorised as a Destructive tool in the Smartsheet MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Smartsheet MCP Server MCP server in PolicyLayer and add a rule for remove_group_member: 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 Smartsheet MCP Server. Nothing to install.
remove_group_member 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_member 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_member. 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_member is provided by the Smartsheet MCP Server MCP server (thomaswtwrt/smar-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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