resize_image · Jgkme/kilo Image Gen MCP: Risk & Policy

WHAT IT DOES

What resize_image does on Jgkme/kilo Image Gen

AI agents use resize_image to create or update resources in Jgkme/kilo Image Gen — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Jgkme/kilo Image Gen environment.

WHY IT NEEDS A POLICY

Why resize_image needs a policy

The tool modifies image dimensions and generates output (PNG), which constitutes data creation/modification. This is reversible (the original can be regenerated or recovered), so it falls under Write rather than Destructive. The severity is medium because misuse could corrupt or alter important images, but the impact is localized to image transformations without external side effects like API calls or deletions.

From the tool's definition Tool description states 'Resize an image locally' with 'PNG output', indicating it modifies image data and creates/overwrites output files.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

resize_image Rate-limited

resize_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": {
    "resize_image": {
      "limits": [
        {
          "counter": "resize_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 Jgkme/kilo Image Gen, so you can run agents against it safely.

FAQ

Questions about resize_image

What does the resize_image tool do? +

Resize an image locally with aspect-ratio-preserving defaults and PNG output. It is categorised as a Write tool in the Jgkme/kilo Image Gen MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on resize_image? +

Register the Jgkme/kilo Image Gen MCP server in PolicyLayer and add a rule for resize_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 Jgkme/kilo Image Gen. Nothing to install.

What risk level is resize_image? +

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

Can I rate-limit resize_image? +

Yes. Add a rate_limit block to the resize_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 resize_image completely? +

Set action: deny in the PolicyLayer policy for resize_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 resize_image? +

resize_image is provided by the Jgkme/kilo Image Gen MCP server (jgkme/img-gen-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.