TRELLO_DELETE_CARDS_ATTACHMENTS_BY_ID_CARD_BY_ID_ATTACHMENT
Permanently removes a specified attachment from a Trello card; this action is irreversible and requires that both the card and the attachment exist.
This record as markdown: /tools/trello/trello-delete-cards-attachments-by-id-card-by-id-attachment.md
What TRELLO_DELETE_CARDS_ATTACHMENTS_BY_ID_CARD_BY_ID_ATTACHMENT does on Trello
AI agents call TRELLO_DELETE_CARDS_ATTACHMENTS_BY_ID_CARD_BY_ID_ATTACHMENT to permanently remove resources in Trello, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
| Parameter | Type | Required | Description |
|---|---|---|---|
idCard | string | — | The ID or short link of the card from which the attachment will be deleted. Card IDs can be short (e.g., 'FY2OWrnc') or long (e.g., '571d07b591c8b68aeb4f6acc'). |
idAttachment | string | — | The ID of the attachment to be deleted from the card. This is a unique identifier for the attachment. |
Parameters from the server's own tool schema.
Why TRELLO_DELETE_CARDS_ATTACHMENTS_BY_ID_CARD_BY_ID_ATTACHMENT is rated Critical
The tool description explicitly states it 'permanently removes' an attachment and is 'irreversible', which matches the Destructive category definition of actions that cannot be undone. While the blast radius is somewhat contained (only one attachment per invocation), the permanent nature of deletion and inability to recover the data without external backups justifies 'high' severity.
From the tool's definition Permanently removes a specified attachment from a Trello card; this action is irreversible
Attacks that exploit this kind of access
The rule that runs TRELLO_DELETE_CARDS_ATTACHMENTS_BY_ID_CARD_BY_ID_ATTACHMENT safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Trello, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For TRELLO_DELETE_CARDS_ATTACHMENTS_BY_ID_CARD_BY_ID_ATTACHMENT, this is the rule to start with:
TRELLO_DELETE_CARDS_ATTACHMENTS_BY_ID_CARD_BY_ID_ATTACHMENT is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Trello, apply this rule, and every TRELLO_DELETE_CARDS_ATTACHMENTS_BY_ID_CARD_BY_ID_ATTACHMENT call is checked against it from then on.
Questions about TRELLO_DELETE_CARDS_ATTACHMENTS_BY_ID_CARD_BY_ID_ATTACHMENT
Permanently removes a specified attachment from a Trello card; this action is irreversible and requires that both the card and the attachment exist. It is categorised as a Destructive tool in the Trello MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
TRELLO_DELETE_CARDS_ATTACHMENTS_BY_ID_CARD_BY_ID_ATTACHMENT accepts 2 parameters: idCard, idAttachment. The full parameter table on this page comes from the server's own tool schema.
Register the Trello MCP server in PolicyLayer and add a rule for TRELLO_DELETE_CARDS_ATTACHMENTS_BY_ID_CARD_BY_ID_ATTACHMENT: 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. Nothing to install.
TRELLO_DELETE_CARDS_ATTACHMENTS_BY_ID_CARD_BY_ID_ATTACHMENT 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 TRELLO_DELETE_CARDS_ATTACHMENTS_BY_ID_CARD_BY_ID_ATTACHMENT 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 TRELLO_DELETE_CARDS_ATTACHMENTS_BY_ID_CARD_BY_ID_ATTACHMENT. 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.
TRELLO_DELETE_CARDS_ATTACHMENTS_BY_ID_CARD_BY_ID_ATTACHMENT is provided by the Trello MCP server (mcp-server-trello). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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