add-guest-to-list · ClickUp Operator MCP: Risk & Policy

WHAT IT DOES

What add-guest-to-list does on ClickUp Operator

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

WHY IT NEEDS A POLICY

Why add-guest-to-list needs a policy

This tool creates a new relationship (guest access) to a resource, which is a data modification. It is reversible (guests can be removed), so it does not qualify as Destructive. It does not execute arbitrary code or trigger external operations with unpredictable effects (Execute), nor does it move money (Financial) or merely read data (Read).

From the tool's definition Tool name and description: "Add a guest to a list" — directly modifies list membership by adding a guest, which is a reversible write operation on list access control.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add-guest-to-list Rate-limited

add-guest-to-list 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": {
    "add-guest-to-list": {
      "limits": [
        {
          "counter": "add-guest-to-list_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 Operator, so you can run agents against it safely.

FAQ

Questions about add-guest-to-list

What does the add-guest-to-list tool do? +

Add a guest to a list. It is categorised as a Write tool in the ClickUp Operator MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on add-guest-to-list? +

Register the ClickUp Operator MCP server in PolicyLayer and add a rule for add-guest-to-list: 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 Operator. Nothing to install.

What risk level is add-guest-to-list? +

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

Can I rate-limit add-guest-to-list? +

Yes. Add a rate_limit block to the add-guest-to-list 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 add-guest-to-list completely? +

Set action: deny in the PolicyLayer policy for add-guest-to-list. 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 add-guest-to-list? +

add-guest-to-list is provided by the ClickUp Operator MCP server (noah-vh/mcp-server-clickup). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.