assign_label_to_task · Todos MCP: Risk & Policy

WHAT IT DOES

What assign_label_to_task does on Todos

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

WHY IT NEEDS A POLICY

Why assign_label_to_task needs a policy

This tool creates or modifies task metadata (labels/tags) in a reversible manner. It does not delete data, execute arbitrary code, trigger external operations, or move money. The operation is clearly Write category—adding or updating labels on a task is a standard data modification with no irreversible side effects.

From the tool's definition Tool description states 'Assign a label to a task', which is a metadata modification operation. The phrase 'syncs to tags for search compatibility' indicates this modifies indexable attributes of a task record.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

assign_label_to_task Rate-limited

assign_label_to_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": {
    "assign_label_to_task": {
      "limits": [
        {
          "counter": "assign_label_to_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 Todos, so you can run agents against it safely.

FAQ

Questions about assign_label_to_task

What does the assign_label_to_task tool do? +

Assign a label to a task (syncs to tags for search compatibility). It is categorised as a Write tool in the Todos MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on assign_label_to_task? +

Register the Todos MCP server in PolicyLayer and add a rule for assign_label_to_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 Todos. Nothing to install.

What risk level is assign_label_to_task? +

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

Can I rate-limit assign_label_to_task? +

Yes. Add a rate_limit block to the assign_label_to_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 assign_label_to_task completely? +

Set action: deny in the PolicyLayer policy for assign_label_to_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 assign_label_to_task? +

assign_label_to_task is provided by the Todos MCP server (@hasna/todos). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.