unschedule_campaign · Campaign Monitor MCP: Risk & Policy

WHAT IT DOES

What unschedule_campaign does on Campaign Monitor MCP

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

WHY IT NEEDS A POLICY

Why unschedule_campaign needs a policy

This tool reverses a scheduling action by returning the campaign to draft status. It modifies the state of a campaign but does not delete it or cause irreversible harm. It's a reversible write operation — the campaign still exists and can be rescheduled.

From the tool's definition Unschedule a scheduled campaign and return it to draft status

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

unschedule_campaign Rate-limited

unschedule_campaign 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": {
    "unschedule_campaign": {
      "limits": [
        {
          "counter": "unschedule_campaign_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 Campaign Monitor MCP, so you can run agents against it safely.

FAQ

Questions about unschedule_campaign

What does the unschedule_campaign tool do? +

Unschedule a scheduled campaign and return it to draft status. It is categorised as a Write tool in the Campaign Monitor 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 unschedule_campaign? +

Register the Campaign Monitor MCP server in PolicyLayer and add a rule for unschedule_campaign: 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 Campaign Monitor MCP. Nothing to install.

What risk level is unschedule_campaign? +

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

Can I rate-limit unschedule_campaign? +

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

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

unschedule_campaign is provided by the Campaign Monitor MCP server (pauliowest/cmon-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.