Permanently delete a Trello card. This action cannot be undone. Use update_card with closed=true to archive instead.
AI agents call deleteCard 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.
This tool meets the definition of Destructive because it irreversibly deletes data (a Trello card) and cannot be undone. The high severity reflects the potential for significant data loss if an AI agent misuses this tool, particularly if it targets multiple cards. The confidence is high because the description unambiguously describes permanent deletion with no undo capability.
From the tool's definition The description explicitly states "Permanently delete a Trello card. This action cannot be undone." The tool name is "deleteCard" and it performs irreversible deletion.
Attacks that exploit this kind of access
Permanently delete a Trello card. This action cannot be undone. Use update_card with closed=true to archive instead. 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 deleteCard: 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.
deleteCard 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 deleteCard 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 deleteCard. 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.
deleteCard 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.
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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