remove_label_from_task · Vikunja MCP: Risk & Policy

WHAT IT DOES

What remove_label_from_task does on Vikunja

AI agents use remove_label_from_task to create or update resources in Vikunja — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Vikunja environment.

WHY IT NEEDS A POLICY

Why remove_label_from_task needs a policy

Removing a label from a task modifies the task's metadata but is reversible (the label can be re-added), so it falls under Write rather than Destructive. The blast radius is low as it only affects label associations on a single task.

From the tool's definition Remove a label from a task

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

remove_label_from_task Rate-limited

remove_label_from_task stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "remove_label_from_task": {
      "limits": [
        {
          "counter": "remove_label_from_task_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Vikunja, so you can run agents against it safely.

FAQ

Questions about remove_label_from_task

What does the remove_label_from_task tool do? +

Remove a label from a task. It is categorised as a Write tool in the Vikunja MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on remove_label_from_task? +

Register the Vikunja MCP server in PolicyLayer and add a rule for remove_label_from_task: 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. Nothing to install.

What risk level is remove_label_from_task? +

remove_label_from_task is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit remove_label_from_task? +

Yes. Add a rate_limit block to the remove_label_from_task 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_label_from_task completely? +

Set action: deny in the PolicyLayer policy for remove_label_from_task. 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_label_from_task? +

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