Delete a vacancy from favorited
AI agents call delete-vacancy-from-favorite to permanently remove resources in HeadHunter API MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
The tool deletes an item from a favorites list. While not catastrophic, this action removes saved data that may not be easily recoverable, making it Destructive rather than Write. Severity is medium since it only affects a personal favorites list, not critical business data.
From the tool's definition 'Delete a vacancy from favorited' — removes a vacancy from the user's favorites list
Attacks that exploit this kind of access
Delete a vacancy from favorited. It is categorised as a Destructive tool in the HeadHunter API MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the HeadHunter API MCP Server MCP server in PolicyLayer and add a rule for delete-vacancy-from-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 HeadHunter API MCP Server. Nothing to install.
delete-vacancy-from-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-vacancy-from-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-vacancy-from-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-vacancy-from-favorite is provided by the HeadHunter API MCP Server MCP server (sargonpiraev/hh-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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