Delete a group.
AI agents call delete_group to permanently remove resources in Redmine — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Deleting a group is an irreversible action that removes a user group from the Redmine system, affecting access controls and organizational structure. This cannot be undone without restoration from backups. While the blast radius is primarily organizational (not system-wide), the permanent nature of deletion and potential impact on multiple users' permissions justifies 'high' severity.
From the tool's definition Tool name 'delete_group' combined with description 'Delete a group' indicates irreversible deletion of data. The verb 'delete' and context of group management make this a destructive operation.
Attacks that exploit this kind of access
Delete a group. It is categorised as a Destructive tool in the Redmine MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Redmine MCP server in PolicyLayer and add a rule for delete_group: 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 Redmine. Nothing to install.
delete_group 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 delete_group 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 delete_group. 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.
delete_group is provided by the Redmine MCP server (KalvadTech/redmine-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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