remove_task_assignee · Vikunja MCP Server MCP: Risk & Policy

WHAT IT DOES

What remove_task_assignee does on Vikunja MCP Server

AI agents call remove_task_assignee 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.

WHY IT NEEDS A POLICY

Why remove_task_assignee needs a policy

Removing a task assignee is an irreversible deletion of an assignment relationship. While the data (the user and task) still exist, the assignment itself is deleted and would need to be manually re-added, making this a destructive operation. The blast radius is medium as it affects task workflow and responsibility tracking.

From the tool's definition Remove a user from task assignees

Attacks that exploit this kind of access

Questions about remove_task_assignee

What does the remove_task_assignee tool do? +

Remove a user from task assignees. 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.

How do I enforce a policy on remove_task_assignee? +

Register the Vikunja MCP Server MCP server in PolicyLayer and add a rule for remove_task_assignee: 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.

What risk level is remove_task_assignee? +

remove_task_assignee is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit remove_task_assignee? +

Yes. Add a rate_limit block to the remove_task_assignee 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.

How do I block remove_task_assignee completely? +

Set action: deny in the PolicyLayer policy for remove_task_assignee. 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.

What MCP server provides remove_task_assignee? +

remove_task_assignee is provided by the Vikunja MCP Server MCP server (wosh-i/vikunja-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

// THE FULL RECORD

remove_task_assignee is one line of Vikunja MCP Server's registry record.

The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.

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