Remove a member from a group.
AI agents call remove_member to permanently remove resources in Groupme — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Removing a member from a group is a destructive operation: the member loses access and their membership is deleted. While they could potentially be re-added, the act of removal itself is not automatically reversible and constitutes deletion of a membership record. This has high blast radius as an AI agent could inadvertently remove legitimate members from groups.
From the tool's definition 'Remove a member from a group' - removing a member is an irreversible action that revokes their group access and membership
Attacks that exploit this kind of access
Remove a member from a group. It is categorised as a Destructive tool in the Groupme MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Groupme MCP server in PolicyLayer and add a rule for remove_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 Groupme. Nothing to install.
remove_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_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_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_member is provided by the Groupme MCP server (kalebjs/groupme-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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