Delete a note by ID.
AI agents call delete_note to permanently remove resources in Mycase — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool permanently removes data (a note) from the law firm's case management system. Deletion cannot be undone. In a legal context, deleting case notes could result in loss of critical evidence, attorney work product, or documentation required for compliance. The blast radius is high because misuse by a compromised AI agent could destroy important legal records. This is Destructive, not merely Write.
From the tool's definition Tool name is 'delete_note' and description states 'Delete a note by ID' — uses the word 'Delete' which is explicitly irreversible.
Attacks that exploit this kind of access
Delete a note by ID. It is categorised as a Destructive tool in the Mycase MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Mycase MCP server in PolicyLayer and add a rule for delete_note: 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 Mycase. Nothing to install.
delete_note 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_note 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_note. 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_note is provided by the Mycase MCP server (rosenadvertising/mycase-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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