Medium Risk

update_note_attachments

Patch attachments for a top-level GHL note.

How to control update_note_attachments ↓

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

Medium Risk

This tool creates or modifies data reversibly by patching/updating attachments associated with notes in a CRM system. While it modifies data, the operation is reversible (attachments can be re-patched or removed). It does not execute external code, delete data irreversibly, or involve financial transactions. The context of GoHighLevel CRM with 461+ tools suggests this is part of normal CRM data management operations.

From the tool's definition Tool name 'update_note_attachments' and description 'Patch attachments for a top-level GHL note' indicate modification of existing data (attachments) within a note record.

Documented attack patterns abuse exactly the kind of access update_note_attachments gives an agent:

PolicyLayer is an MCP gateway — it sits between your AI agents and GoHighLevel MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for update_note_attachments:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "update_note_attachments": {
      "limits": [
        {
          "counter": "update_note_attachments_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

update_note_attachments 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.

  1. Create a free account and register GoHighLevel MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Go deeper

What does the update_note_attachments tool do? +

Patch attachments for a top-level GHL note. It is categorised as a Write tool in the GoHighLevel MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update_note_attachments? +

Register the GoHighLevel MCP Server MCP server in PolicyLayer and add a rule for update_note_attachments: 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 GoHighLevel MCP Server. Nothing to install.

What risk level is update_note_attachments? +

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

Can I rate-limit update_note_attachments? +

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

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

update_note_attachments is provided by the GoHighLevel MCP Server MCP server (busybee3333/go-high-level-mcp-2026-complete). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every GoHighLevel MCP Server tool call.

Deterministic rules across all 566 GoHighLevel MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

Free to start. No card required.

566 GoHighLevel MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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