delete-checklist-item

THE RISK

Critical Risk

Why delete-checklist-item needs a policy

This tool permanently deletes data (a checklist item/subtask) that cannot be undone. While the blast radius is somewhat contained to a single subtask rather than an entire task, deletion is inherently destructive and irreversible. Destructive is the appropriate category, and 'high' severity reflects that misuse would result in permanent data loss, though the scope is limited to one subtask at a time.

From the tool's definition Tool name is 'delete-checklist-item' and description states 'Delete a checklist item (subtask) from a task. This removes just the specific subtask, not the parent task.' The verb 'Delete' and phrase 'removes' indicate irreversible data deletion.

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

POLICY

How to control delete-checklist-item

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-checklist-item:

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "delete-checklist-item"
  ]
}

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

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

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EXPLORE

Related tools and policies

More My MCP tools

Destructive delete-task Delete a task from a Microsoft Todo list. This will remove the task and all its checklist Destructive delete-task-list Delete a task list (top-level container) from Microsoft Todo. This will remove the list an Execute test-graph-api-exploration Test various Graph API queries to discover hidden properties or endpoints for folder/group Write archive-completed-tasks Move completed tasks older than a specified number of days from one list to another (archi Write create-checklist-item Create a new checklist item (subtask) for a task. Checklist items help break down a task i Write create-task Create a new task in a specific Microsoft Todo list. A task is the main todo item that can Write create-task-list Create a new task list (top-level container) in Microsoft Todo to help organize your tasks Write update-checklist-item Update an existing checklist item (subtask). Allows changing the text content or completio

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Go deeper

Critical-risk tools in My MCP → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Blast radius → How much damage one compromised or confused agent can do — and how to bound it.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about delete-checklist-item

What does the delete-checklist-item tool do? +

Delete a checklist item (subtask) from a task. This removes just the specific subtask, not the parent task. 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-checklist-item? +

Register the My MCP server in PolicyLayer and add a rule for delete-checklist-item: 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-checklist-item? +

delete-checklist-item 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-checklist-item? +

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

Set action: deny in the PolicyLayer policy for delete-checklist-item. 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-checklist-item? +

delete-checklist-item 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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