upload-media-content

THE RISK

Medium Risk

Why upload-media-content needs a policy

This tool creates or stores media files in GoHighLevel's system. While upload operations are reversible (files can typically be deleted), they modify the system state by adding new content. This is Write-category behavior rather than Execute (no code execution) or Destructive (not irreversible deletion).

From the tool's definition Tool name 'upload-media-content' and description indicating file upload capability with size constraints (maximum 25 MB allowed).

Documented attack patterns abuse exactly the kind of access upload-media-content gives an agent:

POLICY

How to control upload-media-content

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 upload-media-content:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "upload-media-content": {
      "limits": [
        {
          "counter": "upload-media-content_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

upload-media-content 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.

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

LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about upload-media-content

What does the upload-media-content tool do? +

If hosted is set to true then fileUrl is required. Else file is required. If adding a file, maximum allowed is 25 MB. 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-media-content? +

Register the GoHighLevel MCP Server MCP server in PolicyLayer and add a rule for upload-media-content: 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-media-content? +

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

Can I rate-limit upload-media-content? +

Yes. Add a rate_limit block to the upload-media-content 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-media-content completely? +

Set action: deny in the PolicyLayer policy for upload-media-content. 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-media-content? +

upload-media-content is provided by the GoHighLevel MCP Server MCP server (drausal/gohighlevel-mcp). 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.

Start from GoHighLevel MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →