process_image · ComfyMCP Studio MCP: Risk & Policy

WHAT IT DOES

What process_image does on ComfyMCP Studio

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

WHY IT NEEDS A POLICY

Why process_image needs a policy

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

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

process_image Rate-limited

process_image 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": {
    "process_image": {
      "limits": [
        {
          "counter": "process_image_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 ComfyMCP Studio, so you can run agents against it safely.

FAQ

Questions about process_image

What does the process_image tool do? +

process_image. It is categorised as a Write tool in the ComfyMCP Studio MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on process_image? +

Register the ComfyMCP Studio MCP server in PolicyLayer and add a rule for process_image: 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 ComfyMCP Studio. Nothing to install.

What risk level is process_image? +

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

Can I rate-limit process_image? +

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

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

process_image is provided by the ComfyMCP Studio MCP server (tuannguyen14/comfyai-mcp-gameassets). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.