Remove one recipe from a user's favorites.
AI agents call delete_user_favorite to permanently remove resources in Mealie MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool irreversibly deletes user data (a favorite recipe entry). While the blast radius is limited to a single favorite entry rather than bulk data, the operation cannot be undone and represents a destructive action. Severity is medium rather than high/critical because it affects only one recipe favorite and doesn't impact system integrity, financial data, or multiple records.
From the tool's definition Tool name contains 'delete' and description states 'Remove one recipe from a user's favorites' - this is an irreversible deletion operation that permanently removes data from the user's favorites collection.
Attacks that exploit this kind of access
Remove one recipe from a user's favorites. It is categorised as a Destructive tool in the Mealie MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Mealie MCP Server MCP server in PolicyLayer and add a rule for delete_user_favorite: 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 Mealie MCP Server. Nothing to install.
delete_user_favorite 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_user_favorite 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_user_favorite. 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_user_favorite is provided by the Mealie MCP Server MCP server (nikopol666/mealie-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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