Delete an attachment from a ticket
AI agents call delete_attachment to permanently remove resources in Tickr — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
| Parameter | Type | Required | Description |
|---|---|---|---|
number | string | Yes | Ticket display number, e.g. 'TKR-42' (legacy) or 'TKR-BUG-0042' (typed) |
attachment_id | string | Yes | Attachment ID to delete |
Parameters from the server's own tool schema.
Deletion of attachments cannot be undone and permanently removes content from a ticket. While the blast radius is contained to a single attachment rather than entire records, this is a destructive operation.
From the tool's definition Tool name is 'delete_attachment' and description states 'Delete an attachment from a ticket' — the verb 'delete' indicates irreversible removal of data.
Attacks that exploit this kind of access
Delete an attachment from a ticket. It is categorised as a Destructive tool in the Tickr MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
delete_attachment accepts 2 parameters: number, attachment_id. Required: number, attachment_id. The full parameter table on this page comes from the server's own tool schema.
Register the Tickr MCP server in PolicyLayer and add a rule for delete_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 Tickr. Nothing to install.
delete_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 delete_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 delete_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.
delete_attachment is provided by the Tickr MCP server (@k-system/tickr-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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