Critical Risk →

delete-task

Delete a task from a Microsoft Todo list. This will remove the task and all its checklist items (subtasks).

How to control delete-task ↓

What delete-task does on My MCP

AI agents call delete-task to permanently remove resources in My MCP — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

Critical Risk

Why delete-task needs a policy

This tool permanently removes a task and all associated subtasks from a user's Microsoft Todo list. The action cannot be undone and results in loss of data. Although the scope is limited to a single task within a to-do application (not enterprise-wide), the irreversible nature of deletion and potential loss of important task information justifies Destructive category with high severity.

From the tool's definition Tool name is 'delete-task' and description states 'Delete a task from a Microsoft Todo list. This will remove the task and all its checklist items (subtasks).' The word 'Delete' and 'remove' indicate irreversible data deletion.

Documented attack patterns abuse exactly the kind of access delete-task gives an agent:

How to control delete-task

PolicyLayer is an MCP gateway — it sits between your AI agents and My MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for delete-task:

policy.json
{
  "version": "1",
  "default": "deny",
  "hide": [
    "delete-task"
  ]
}

delete-task disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.

  1. Create a free account and register My MCP — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

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Questions about delete-task

What does the delete-task tool do? +

Delete a task from a Microsoft Todo list. This will remove the task and all its checklist items (subtasks). It is categorised as a Destructive tool in the My MCP 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 delete-task? +

Register the My MCP server in PolicyLayer and add a rule for delete-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 My MCP. Nothing to install.

What risk level is delete-task? +

delete-task 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 delete-task? +

Yes. Add a rate_limit block to the delete-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 delete-task completely? +

Set action: deny in the PolicyLayer policy for delete-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 delete-task? +

delete-task is provided by the My MCP server (jordanburke/microsoft-todo-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every My MCP tool call.

Start from My MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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16 My MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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