zendesk_add_comment · Integrations MCP: Risk & Policy

WHAT IT DOES

What zendesk_add_comment does on Integrations MCP

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

WHY IT NEEDS A POLICY

Why zendesk_add_comment needs a policy

This tool creates new comments on support tickets, which modifies ticket data but does not delete, execute code, or move money. The action is reversible and represents a standard Write operation. Severity is medium because unauthorized comments could disrupt support workflows, create confusion, or reveal sensitive information, but the impact is contained to a single ticket and reversible.

From the tool's definition Tool name 'zendesk_add_comment' and description 'Add a comment to a Zendesk ticket' indicate creation/modification of data (comment addition) that is reversible (comments can be edited or deleted).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

zendesk_add_comment Rate-limited

zendesk_add_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": {
    "zendesk_add_comment": {
      "limits": [
        {
          "counter": "zendesk_add_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 Integrations MCP, so you can run agents against it safely.

FAQ

Questions about zendesk_add_comment

What does the zendesk_add_comment tool do? +

Add a comment to a Zendesk ticket. It is categorised as a Write tool in the Integrations 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 zendesk_add_comment? +

Register the Integrations MCP server in PolicyLayer and add a rule for zendesk_add_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 Integrations MCP. Nothing to install.

What risk level is zendesk_add_comment? +

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

Can I rate-limit zendesk_add_comment? +

Yes. Add a rate_limit block to the zendesk_add_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 zendesk_add_comment completely? +

Set action: deny in the PolicyLayer policy for zendesk_add_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 zendesk_add_comment? +

zendesk_add_comment is provided by the Integrations MCP server (shriram-vasudevan/integrations-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.