zendesk_add_public_note · Zd MCP: Risk & Policy

WHAT IT DOES

What zendesk_add_public_note does on Zd

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

WHY IT NEEDS A POLICY

Why zendesk_add_public_note needs a policy

An AI agent can call zendesk_add_public_note faster than any human can review — one bad instruction and it creates or modifies resources in Zd by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

zendesk_add_public_note Rate-limited

zendesk_add_public_note 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_public_note": {
      "limits": [
        {
          "counter": "zendesk_add_public_note_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 Zd, so you can run agents against it safely.

FAQ

Questions about zendesk_add_public_note

What does the zendesk_add_public_note tool do? +

Add a public comment to a Zendesk ticket. It is categorised as a Write tool in the Zd 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_public_note? +

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

What risk level is zendesk_add_public_note? +

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

Can I rate-limit zendesk_add_public_note? +

Yes. Add a rate_limit block to the zendesk_add_public_note 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_public_note completely? +

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

zendesk_add_public_note is provided by the Zd MCP server (zd-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.