upload_form_custom_files

Upload custom files for a form field (e.g. file upload fields in form submissions)

SERVERGoHighLevel MCP Server SOURCEbusybee3333/go-high-level-mcp-2026-complete

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/busybee3333-go-high-level-mcp-2026-complete/upload-form-custom-files.md

WHAT IT DOES

What upload_form_custom_files does on GoHighLevel MCP Server

AI agents use upload_form_custom_files 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.

RISK

Why upload_form_custom_files is rated Medium

This tool creates and stores files within the CRM system. While file uploads are reversible (files can be deleted), they constitute data modification operations. The 'high' severity reflects potential risks: uploaded files could be malicious payloads, exploit form processing logic, or introduce sensitive data into the CRM.

From the tool's definition Tool name 'upload_form_custom_files' and description 'Upload custom files for a form field' indicate file creation/storage operations.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs upload_form_custom_files safely

PolicyLayer is an MCP gateway: it sits between your AI agents and GoHighLevel MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For upload_form_custom_files, this is the rule to start with:

upload_form_custom_files Rate-limited

upload_form_custom_files 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": {
    "upload_form_custom_files": {
      "limits": [
        {
          "counter": "upload_form_custom_files_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect GoHighLevel MCP Server, apply this rule, and every upload_form_custom_files call is checked against it from then on.

FAQ

Questions about upload_form_custom_files

What does the upload_form_custom_files tool do? +

Upload custom files for a form field (e.g. file upload fields in form submissions). 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 upload_form_custom_files? +

Register the GoHighLevel MCP Server MCP server in PolicyLayer and add a rule for upload_form_custom_files: 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 upload_form_custom_files? +

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

Can I rate-limit upload_form_custom_files? +

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

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

upload_form_custom_files 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.

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