Permanently delete a project and all its tasks. This cannot be undone!
AI agents call delete_project to permanently remove resources in Vikunja 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 data at scale (an entire project plus all associated tasks). While not involving financial consequences or external system execution, the permanent loss of potentially significant amounts of user data makes this a Destructive action with high severity. An AI agent misusing this tool could cause substantial data loss.
From the tool's definition Tool description explicitly states "Permanently delete a project and all its tasks. This cannot be undone!" The verb "delete" combined with "permanently" and the warning about irreversibility clearly indicates destructive capability.
Attacks that exploit this kind of access
Permanently delete a project and all its tasks. This cannot be undone!. It is categorised as a Destructive tool in the Vikunja MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Vikunja MCP Server MCP server in PolicyLayer and add a rule for delete_project: 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 Vikunja MCP Server. Nothing to install.
delete_project 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_project 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_project. 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_project is provided by the Vikunja MCP Server MCP server (lindenlion/vikunja-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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