create_task_comment · ClickUp MCP: Risk & Policy

WHAT IT DOES

What create_task_comment does on ClickUp MCP

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

WHY IT NEEDS A POLICY

Why create_task_comment needs a policy

This tool creates new comment data within ClickUp tasks, which is a reversible Write operation. Comments can be edited or deleted afterward. The notification parameter does not elevate it to Execute since it merely triggers standard notification logic within ClickUp. No data is deleted, no financial transaction occurs, and no arbitrary code is executed.

From the tool's definition Tool name 'create_task_comment' and description states it 'Creates task comment' — a write operation that adds new data to an existing task.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_task_comment Rate-limited

create_task_comment 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": {
    "create_task_comment": {
      "limits": [
        {
          "counter": "create_task_comment_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 ClickUp MCP, so you can run agents against it safely.

FAQ

Questions about create_task_comment

What does the create_task_comment tool do? +

Creates task comment. Use taskId (preferred) or taskName + listName. Required: commentText. Optional: notifyAll to notify assignees, assignee to assign comment. It is categorised as a Write tool in the ClickUp MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_task_comment? +

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

What risk level is create_task_comment? +

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

Can I rate-limit create_task_comment? +

Yes. Add a rate_limit block to the create_task_comment 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 create_task_comment completely? +

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

create_task_comment is provided by the ClickUp MCP server (twofeetup/clickup-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.