Delete a checklist item from a Trello card.
AI agents call deleteCheckItem to permanently remove resources in Trello MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
The tool deletes a checklist item, which is an irreversible operation that cannot be undone through normal means. While the blast radius is limited compared to deleting entire cards or boards, it still constitutes data destruction. Severity is medium rather than high because the impact is scoped to a single checklist item rather than broader Trello objects.
From the tool's definition Tool name contains 'delete' and description states 'Delete a checklist item from a Trello card' - this irreversibly removes data from the card.
Attacks that exploit this kind of access
Delete a checklist item from a Trello card. It is categorised as a Destructive tool in the Trello MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Trello MCP Server MCP server in PolicyLayer and add a rule for deleteCheckItem: 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 Trello MCP Server. Nothing to install.
deleteCheckItem 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 deleteCheckItem 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 deleteCheckItem. 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.
deleteCheckItem is provided by the Trello MCP Server MCP server (semblancelabs/trello-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
deleteCheckItem is one line of Trello MCP Server's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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