Delete arms from a longitudinal REDCap project.
AI agents call delete_arms to permanently remove resources in Redcap — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool permanently removes arms from a REDCap project, which is an irreversible destructive action. Arms are fundamental organizational units in longitudinal studies that cannot be recovered once deleted. The action affects research project structure and data organization.
From the tool's definition Tool name is 'delete_arms' and description states 'Delete arms from a longitudinal REDCap project.' The verb 'delete' combined with the explicit action of removing arms (structural project components) indicates irreversible data/structure removal.
Attacks that exploit this kind of access
Delete arms from a longitudinal REDCap project. It is categorised as a Destructive tool in the Redcap MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Redcap MCP server in PolicyLayer and add a rule for delete_arms: 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 Redcap. Nothing to install.
delete_arms 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_arms 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_arms. 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_arms is provided by the Redcap MCP server (msicilia/mcp-server-redcap). 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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